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Re: [Xen-users] Hypervisor hangs on startup

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-users] Hypervisor hangs on startup
From: Arno Toell <at@xxxxxxxxxx>
Date: Fri, 17 Dec 2010 16:15:05 +0100
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 17 Dec 2010 07:17:09 -0800
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On 17.12.2010 12:51, Pasi Kärkkäinen wrote:
> "console=hvc0 earlyprintk=xen initcall_debug debug loglevel=10"

Here we go:

serial output:
> (XEN) Xen version 4.0.1 (Debian 4.0.1-1) (waldi@xxxxxxxxxx) (gcc version 
> 4.4.5 20100824 (prerelease) (Debian 4.4.4-11) ) Fri Sep  3 15:38:12 UTC 2010  
>       
> (XEN) Bootloader: GRUB 1.98+20100804-10                                       
>                                                                               
>  
> (XEN) Command line: console=com2                                              
>                                                                               
>  
> (XEN) Video information:                                                      
>                                                                               
>  
> (XEN)  VGA is text mode 80x25, font 8x16                                      
>                                                                               
>  
> (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds                   
>                                                                               
>  
> (XEN)  EDID info not retrieved because no DDC retrieval method detected       
>                                                                               
>  
> (XEN) Disc information:                                                       
>                                                                               
>  
> (XEN)  Found 1 MBR signatures                                                 
>                                                                               
>  
> (XEN)  Found 1 EDD information structures                                     
>                                                                               
>  
> (XEN) Xen-e820 RAM map:                                                       
>                                                                               
>  
> (XEN)  0000000000000000 - 00000000000a0000 (usable)                           
>                                                                               
>  
> (XEN)  0000000000100000 - 000000007f679000 (usable)                           
>                                                                               
>  
> (XEN)  000000007f679000 - 000000007f68f000 (reserved)                         
>                                                                               
>  
> (XEN)  000000007f68f000 - 000000007f6ce000 (ACPI data)                        
>                                                                               
>  
> (XEN)  000000007f6ce000 - 0000000080000000 (reserved)                         
>                                                                               
>  
> (XEN)  00000000e0000000 - 00000000f0000000 (reserved)                         
>                                                                               
>  
> (XEN)  00000000fe000000 - 0000000100000000 (reserved)                         
>                                                                               
>  
> (XEN)  0000000100000000 - 0000000c80000000 (usable)                           
>                                                                               
>  
> (XEN) ACPI: RSDP 000F0A90, 0024 (r2 DELL  )                                   
>                                                                               
>  
> (XEN) ACPI: XSDT 000F0B94, 009C (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: FACP 7F6B3F9C, 00F4 (r3 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: DSDT 7F68F000, 3D5A (r1 DELL   PE_SC3          1 INTL 20050624)   
>                                                                               
>  
> (XEN) ACPI: FACS 7F6B6000, 0040                                               
>                                                                               
>  
> (XEN) ACPI: APIC 7F6B3478, 015E (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: SPCR 7F6B35D8, 0050 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: HPET 7F6B362C, 0038 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: DMAR 7F6B3668, 01C0 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: MCFG 7F6B38C4, 003C (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: WD__ 7F6B3904, 0134 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: SLIC 7F6B3A3C, 0024 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: ERST 7F692EDC, 0270 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: HEST 7F69314C, 03A8 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: BERT 7F692D5C, 0030 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: EINJ 7F692D8C, 0150 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: SRAT 7F6B3BC0, 0370 (r1 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: TCPA 7F6B3F34, 0064 (r2 DELL   PE_SC3          1 DELL        1)   
>                                                                               
>  
> (XEN) ACPI: SSDT 7F6B7000, 43F4 (r1  INTEL PPM RCM  80000001 INTL 20061109)   
>                                                                               
>  
> (XEN) System RAM: 49142MB (50321508kB)                                        
>                                                                               
>  
> (XEN) Domain heap initialised DMA width 32 bits                               
>                                                                               
>  
> (XEN) Processor #16 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #0 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) Processor #18 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #2 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) Processor #20 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #4 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) Processor #22 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #6 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) Processor #17 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #1 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) Processor #19 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #3 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) Processor #21 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #5 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) Processor #23 7:10 APIC version 21                                      
>                                                                               
>  
> (XEN) Processor #7 7:10 APIC version 21                                       
>                                                                               
>  
> (XEN) IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23          
>                                                                               
>  
> (XEN) IOAPIC[1]: apic_id 1, version 32, address 0xfec80000, GSI 32-55         
>                                                                               
>  
> (XEN) Enabling APIC mode:  Phys.  Using 2 I/O APICs                           
>                                                                               
>  
> (XEN) Using scheduler: SMP Credit Scheduler (credit)                          
>                                                                               
>  
> (XEN) Detected 2394.064 MHz processor.                                        
>                                                                               
>  
> (XEN) Initing memory sharing.                                                 
>                                                                               
>  
> (XEN) VMX: Supported advanced features:                                       
>                                                                               
>  
> (XEN)  - APIC MMIO access virtualisation                                      
>                                                                               
>  
> (XEN)  - APIC TPR shadow                                                      
>                                                                               
>  
> (XEN)  - Extended Page Tables (EPT)                                           
>                                                                               
>  
> (XEN)  - Virtual-Processor Identifiers (VPID)                                 
>                                                                               
>  
> (XEN)  - Virtual NMI                                                          
>                                                                               
>  
> (XEN)  - MSR direct-access bitmap                                             
>                                                                               
>  
> (XEN) EPT supports 2MB super page.                                            
>                                                                               
>  
> (XEN) HVM: ASIDs enabled.                                                     
>                                                                               
>  
> (XEN) HVM: VMX enabled                                                        
>                                                                               
>  
> (XEN) HVM: Hardware Assisted Paging detected.                                 
>                                                                               
>  
> (XEN) Intel VT-d Snoop Control supported.                                     
>                                                                               
>  
> (XEN) Intel VT-d DMA Passthrough not supported.                               
>                                                                               
>  
> (XEN) Intel VT-d Queued Invalidation supported.                               
>                                                                               
>  
> (XEN) Intel VT-d Interrupt Remapping supported.                               
>                                                                               
>  
> (XEN) I/O virtualisation enabled                                              
>                                                                               
>  
> (XEN)  - Dom0 mode: Relaxed                                                   
>                                                                               
>  
> (XEN) Total of 16 processors activated.                                       
>                                                                               
>  
> (XEN) ENABLING IO-APIC IRQs                                                   
>                                                                               
>  
> (XEN)  -> Using new ACK method                                                
>                                                                               
>  
> (XEN) TSC is reliable, synchronization unnecessary                            
>                                                                               
>  
> (XEN) Platform timer is 14.318MHz HPET                                        
>                                                                               
>  
> ?(XEN) Allocated console ring of 32 KiB.                                      
>                                                                               
>  
> (XEN) Brought up 16 CPUs                                                      
>                                                                               
>  
> (XEN) *** LOADING DOMAIN 0 ***                                                
>                                                                               
>  
> (XEN)  Xen  kernel: 64-bit, lsb, compat32                                     
>                                                                               
>  
> (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x16b6000            
>                                                                               
>  
> (XEN) PHYSICAL MEMORY ARRANGEMENT:                                            
>                                                                               
>  
> (XEN)  Dom0 alloc.:   0000000c50000000->0000000c60000000 (12345334 pages to 
> be allocated)                                                                 
>    
> (XEN) VIRTUAL MEMORY ARRANGEMENT:                                             
>                                                                               
>  
> (XEN)  Loaded kernel: ffffffff81000000->ffffffff816b6000                      
>                                                                               
>  
> (XEN)  Init. ramdisk: ffffffff816b6000->ffffffff83064200                      
>                                                                               
>  
> (XEN)  Phys-Mach map: ffffffff83065000->ffffffff88f14fb0                      
>                                                                               
>  
> (XEN)  Start info:    ffffffff88f15000->ffffffff88f154b4                      
>                                                                               
>  
> (XEN)  Page tables:   ffffffff88f16000->ffffffff88f61000                      
>                                                                               
>  
> (XEN)  Boot stack:    ffffffff88f61000->ffffffff88f62000                      
>                                                                               
>  
> (XEN)  TOTAL:         ffffffff80000000->ffffffff89000000                      
>                                                                               
>  
> (XEN)  ENTRY ADDRESS: ffffffff81506200                                        
>                                                                               
>  
> (XEN) Dom0 has maximum 16 VCPUs                                               
>                                                                               
>  
> (XEN) Scrubbing Free RAM: done.                                               
>                                                                               
>  
> (XEN) Xen trace buffers: disabled                                             
>                                                                               
>  
> (XEN) Std. Loglevel: Errors and warnings                                      
>                                                                               
>  
> (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)             
>                                                                               
>  
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
> Xen)                                                                          
>   
> (XEN) Freed 176kB init memory.                                                
>                                                                               
>  
> mapping kernel into physical memory                                           
>                                                                               
>  
> Xen: setup ISA identity maps                                                  
>                                                                               
>  
> about to get started...                                                       
>                                                                               
>  
> [    0.000000] Initializing cgroup subsys cpuset                              
>                                                                               
>  
> [    0.000000] Initializing cgroup subsys cpu                                 
>                                                                               
>  
> [    0.000000] Linux version 2.6.32-5-xen-amd64 (Debian 2.6.32-29) 
> (ben@xxxxxxxxxxxxxxx) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Fri Dec 10 
> 17:41:50 UT0
> [    0.000000] Command line: placeholder 
> root=UUID=4346c332-863c-4482-b9a1-f3d45dffc1e7 ro console=ttyS1 console=hvc0 
> earlyprintk=xen initcall_debug debug l0
> [    0.000000] KERNEL supported cpus:                                         
>                                                                               
>  
> [    0.000000]   Intel GenuineIntel                                           
>                                                                               
>  
> [    0.000000]   AMD AuthenticAMD                                             
>                                                                               
>  
> [    0.000000]   Centaur CentaurHauls                                         
>                                                                               
>  
> [    0.000000] xen_release_chunk: looking at area pfn 80000-e0000: 393216 
> pages freed                                                                   
>      
> [    0.000000] xen_release_chunk: looking at area pfn f0000-fe000: 57344 
> pages freed                                                                   
>       
> [    0.000000] xen_release_chunk: looking at area pfn 800000-bd5ff6: 0 pages 
> freed                                                                         
>   
> [    0.000000] released 450560 pages of unused memory                         
>                                                                               
>  
> [    0.000000] BIOS-provided physical RAM map:                                
>                                                                               
>  
> [    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)             
>                                                                               
>  
> [    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)           
>                                                                               
>  
> [    0.000000]  Xen: 0000000000100000 - 000000007f679000 (usable)             
>                                                                               
>  
> [    0.000000]  Xen: 000000007f679000 - 000000007f68f000 (reserved)           
>                                                                               
>  
> [    0.000000]  Xen: 000000007f68f000 - 000000007f6ce000 (ACPI data)          
>                                                                               
>  
> [    0.000000]  Xen: 000000007f6ce000 - 0000000080000000 (reserved)           
>                                                                               
>  
> [    0.000000]  Xen: 00000000e0000000 - 00000000f0000000 (reserved)           
>                                                                               
>  
> [    0.000000]  Xen: 00000000fe000000 - 0000000100000000 (reserved)           
>                                                                               
>  
> [    0.000000]  Xen: 0000000100000000 - 0000000800000000 (usable)             
>                                                                               
>  
> [    0.000000] bootconsole [xenboot0] enabled                                 
>                                                                               
>  
> [    0.000000] DMI 2.6 present.                                               
>                                                                               
>  
> [    0.000000] last_pfn = 0x800000 max_arch_pfn = 0x400000000                 
>                                                                               
>  
> [    0.000000] x86 PAT enabled: cpu 0, old 0x50100070406, new 0x7010600070106 
>                                                                               
>  
> [    0.000000] last_pfn = 0x7f679 max_arch_pfn = 0x400000000                  
>                                                                               
>  
> [    0.000000] initial memory mapped : 0 - 20000000                           
>                                                                               
>  
> [    0.000000] init_memory_mapping: 0000000000000000-000000007f679000         
>                                                                               
>  
> [    0.000000]  0000000000 - 007f679000 page 4k                               
>                                                                               
>  
> [    0.000000] kernel direct mapping tables up to 7f679000 @ 100000-4ff000    
>                                                                               
>  
> [    0.000000] init_memory_mapping: 0000000100000000-0000000800000000         
>                                                                               
>  
> [    0.000000]  0100000000 - 0800000000 page 4k                               
>                                                                               
>  
> [    0.000000] kernel direct mapping tables up to 800000000 @ 8f61000-cf82000 
>                                                                               
>  
> [    0.000000] RAMDISK: 016b6000 - 03064200                                   
>                                                                               
>  
> [    0.000000] ACPI: RSDP 00000000000f0a90 00024 (v02 DELL  )                 
>                                                                               
>  
> [    0.000000] ACPI: XSDT 00000000000f0b94 0009C (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: FACP 000000007f6b3f9c 000F4 (v03 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: DSDT 000000007f68f000 03D5A (v01 DELL   PE_SC3   
> 00000001 INTL 20050624)                                                       
>          
> [    0.000000] ACPI: FACS 000000007f6b6000 00040                              
>                                                                               
>  
> [    0.000000] ACPI: APIC 000000007f6b3478 0015E (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: SPCR 000000007f6b35d8 00050 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: HPET 000000007f6b362c 00038 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: XMAR 000000007f6b3668 001C0 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: MCFG 000000007f6b38c4 0003C (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: WD__ 000000007f6b3904 00134 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: SLIC 000000007f6b3a3c 00024 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: ERST 000000007f692edc 00270 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: HEST 000000007f69314c 003A8 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: BERT 000000007f692d5c 00030 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: EINJ 000000007f692d8c 00150 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: SRAT 000000007f6b3bc0 00370 (v01 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: TCPA 000000007f6b3f34 00064 (v02 DELL   PE_SC3   
> 00000001 DELL 00000001)                                                       
>          
> [    0.000000] ACPI: SSDT 000000007f6b7000 043F4 (v01  INTEL PPM RCM  
> 80000001 INTL 20061109)                                                       
>          
> [    0.000000] ACPI: Local APIC address 0xfee00000                            
>                                                                               
>  
> [    0.000000] No NUMA configuration found                                    
>                                                                               
>  
> [    0.000000] Faking a node at 0000000000000000-0000000800000000             
>                                                                               
>  
> [    0.000000] Bootmem setup node 0 0000000000000000-0000000800000000         
>                                                                               
>  
> [    0.000000]   NODE_DATA [0000000000008000 - 000000000000ffff]              
>                                                                               
>  
> [    0.000000]   bootmap [00000000004b1000 -  00000000005b0fff] pages 100     
>                                                                               
>  
> [    0.000000] (9 early reservations) ==> bootmem [0000000000 - 0800000000]   
>                                                                               
>  
> [    0.000000]   #0 [0000000000 - 0000001000]   BIOS data page ==> 
> [0000000000 - 0000001000]                                                     
>             
> [    0.000000]   #1 [0008f16000 - 0008f61000]   XEN PAGETABLES ==> 
> [0008f16000 - 0008f61000]                                                     
>             
> [    0.000000]   #2 [0000006000 - 0000008000]       TRAMPOLINE ==> 
> [0000006000 - 0000008000]                                                     
>             
> [    0.000000]   #3 [0001000000 - 0001695994]    TEXT DATA BSS ==> 
> [0001000000 - 0001695994]                                                     
>             
> [    0.000000]   #4 [00016b6000 - 0003064200]          RAMDISK ==> 
> [00016b6000 - 0003064200]                                                     
>             
> [    0.000000]   #5 [0003065000 - 0008f16000]   XEN START INFO ==> 
> [0003065000 - 0008f16000]                                                     
>             
> [    0.000000]   #6 [0001696000 - 00016964fd]              BRK ==> 
> [0001696000 - 00016964fd]                                                     
>             
> [    0.000000]   #7 [0000100000 - 00004b1000]          PGTABLE ==> 
> [0000100000 - 00004b1000]                                                     
>             
> [    0.000000]   #8 [0008f61000 - 000c77d000]          PGTABLE ==> 
> [0008f61000 - 000c77d000]                                                     
>             
> [    0.000000] found SMP MP-table at [ffff8800000fe710] fe710                 
>                                                                               
>  
> [    0.000000] Zone PFN ranges:                                               
>                                                                               
>  
> [    0.000000]   DMA      0x00000000 -> 0x00001000                            
>                                                                               
>  
> [    0.000000]   DMA32    0x00001000 -> 0x00100000                            
>                                                                               
>  
> [    0.000000]   Normal   0x00100000 -> 0x00800000                            
>                                                                               
>  
> [    0.000000] Movable zone start PFN for each node                           
>                                                                               
>  
> [    0.000000] early_node_map[3] active PFN ranges                            
>                                                                               
>  
> [    0.000000]     0: 0x00000000 -> 0x000000a0                                
>                                                                               
>  
> [    0.000000]     0: 0x00000100 -> 0x0007f679                                
>                                                                               
>  
> [    0.000000]     0: 0x00100000 -> 0x00800000                                
>                                                                               
>  
> [    0.000000] On node 0 totalpages: 7861785                                  
>                                                                               
>  
> [    0.000000]   DMA zone: 56 pages used for memmap                           
>                                                                               
>  
> [    0.000000]   DMA zone: 948 pages reserved                                 
>                                                                               
>  
> [    0.000000]   DMA zone: 2996 pages, LIFO batch:0                           
>                                                                               
>  
> [    0.000000]   DMA32 zone: 14280 pages used for memmap                      
>                                                                               
>  
> [    0.000000]   DMA32 zone: 503473 pages, LIFO batch:31                      
>                                                                               
>  
> [    0.000000]   Normal zone: 100352 pages used for memmap                    
>                                                                               
>  
> [    0.000000]   Normal zone: 7239680 pages, LIFO batch:31                    
>                                                                               
>  
> [    0.000000] ACPI: PM-Timer IO Port: 0x808                                  
>                                                                               
>  
> [    0.000000] ACPI: Local APIC address 0xfee00000                            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x10] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x00] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x12] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x02] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x14] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x04] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x16] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x06] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x11] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x01] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x13] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x03] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x15] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x05] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x17] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x10] lapic_id[0x07] enabled)             
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x11] lapic_id[0x30] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x12] lapic_id[0x31] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x13] lapic_id[0x32] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x14] lapic_id[0x33] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x15] lapic_id[0x34] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x16] lapic_id[0x35] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x17] lapic_id[0x36] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x18] lapic_id[0x37] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x19] lapic_id[0x38] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x1a] lapic_id[0x39] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x1b] lapic_id[0x3a] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x1c] lapic_id[0x3b] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x1d] lapic_id[0x3c] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x1e] lapic_id[0x3d] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x1f] lapic_id[0x3e] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC (acpi_id[0x20] lapic_id[0x3f] disabled)            
>                                                                               
>  
> [    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] high edge lint[0x1])            
>                                                                               
>  
> [    0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])        
>                                                                               
>  
> [    0.000000] IOAPIC[0]: apic_id 0, version 0, address 0xfec00000, GSI 0-0   
>                                                                               
>  
> [    0.000000] ACPI: IOAPIC (id[0x01] address[0xfec80000] gsi_base[32])       
>                                                                               
>  
> [    0.000000] IOAPIC[1]: apic_id 1, version 0, address 0xfec80000, GSI 32-32 
>                                                                               
>  
> [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)       
>                                                                               
>  
> [    0.000000] ERROR: Unable to locate IOAPIC for GSI 2                       
>                                                                               
>  
> [    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)    
>                                                                               
>  
> [    0.000000] ERROR: Unable to locate IOAPIC for GSI 9                       
>                                                                               
>  
> [    0.000000] Using ACPI (MADT) for SMP configuration information            
>                                                                               
>  
> [    0.000000] ACPI: HPET id: 0x8086a301 base: 0xfed00000                     
>                                                                               
>  
> [    0.000000] SMP: Allowing 16 CPUs, 0 hotplug CPUs                          
>                                                                               
>  
> [    0.000000] nr_irqs_gsi: 288                                               
>                                                                               
>  
> [    0.000000] PM: Registered nosave memory: 00000000000a0000 - 
> 0000000000100000                                                              
>                
> [    0.000000] PM: Registered nosave memory: 000000007f679000 - 
> 000000007f68f000                                                              
>                
> [    0.000000] PM: Registered nosave memory: 000000007f68f000 - 
> 000000007f6ce000                                                              
>                
> [    0.000000] PM: Registered nosave memory: 000000007f6ce000 - 
> 0000000080000000                                                              
>                
> [    0.000000] PM: Registered nosave memory: 0000000080000000 - 
> 00000000e0000000                                                              
>                
> [    0.000000] PM: Registered nosave memory: 00000000e0000000 - 
> 00000000f0000000                                                              
>                
> [    0.000000] PM: Registered nosave memory: 00000000f0000000 - 
> 00000000fe000000                                                              
>                
> [    0.000000] PM: Registered nosave memory: 00000000fe000000 - 
> 0000000100000000                                                              
>                
> [    0.000000] Allocating PCI resources starting at 80000000 (gap: 
> 80000000:60000000)                                                            
>             
> [    0.000000] Booting paravirtualized kernel on Xen                          
>                                                                               
>  
> [    0.000000] Xen version: 4.0.1 (preserve-AD) (dom0)                        
>                                                                               
>  
> [    0.000000] NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:16 nr_node_ids:1    
>                                                                               
>  
> [    0.000000] PERCPU: Embedded 30 pages/cpu @ffff88002804f000 s90328 r8192 
> d24360 u122880                                                                
>    
> [    0.000000] pcpu-alloc: s90328 r8192 d24360 u122880 alloc=30*4096          
>                                                                               
>  
> [    0.000000] pcpu-alloc: [0] 00 [0] 01 [0] 02 [0] 03 [0] 04 [0] 05 [0] 06 
> [0] 07                                                                        
>    
> [    0.000000] pcpu-alloc: [0] 08 [0] 09 [0] 10 [0] 11 [0] 12 [0] 13 [0] 14 
> [0] 15                                                                        
>    
> [    6.121891] trying to map vcpu_info 0 at ffff88002805a020, mfn 81805a, 
> offset 32                                                                     
>      
> [    6.121896] cpu 0 using vcpu_info at ffff88002805a020                      
>                                                                               
>  
> [    6.121899] trying to map vcpu_info 1 at ffff880028078020, mfn 818078, 
> offset 32                                                                     
>      
> [    6.121902] cpu 1 using vcpu_info at ffff880028078020                      
>                                                                               
>  
> [    6.121905] trying to map vcpu_info 2 at ffff880028096020, mfn 818096, 
> offset 32                                                                     
>      
> [    6.121908] cpu 2 using vcpu_info at ffff880028096020                      
>                                                                               
>  
> [    6.121910] trying to map vcpu_info 3 at ffff8800280b4020, mfn 8180b4, 
> offset 32                                                                     
>      
> [    6.121914] cpu 3 using vcpu_info at ffff8800280b4020                      
>                                                                               
>  
> [    6.121916] trying to map vcpu_info 4 at ffff8800280d2020, mfn 8180d2, 
> offset 32                                                                     
>      
> [    6.121919] cpu 4 using vcpu_info at ffff8800280d2020                      
>                                                                               
>  
> [    6.121921] trying to map vcpu_info 5 at ffff8800280f0020, mfn 8180f0, 
> offset 32                                                                     
>      
> [    6.121925] cpu 5 using vcpu_info at ffff8800280f0020                      
>                                                                               
>  
> [    6.121927] trying to map vcpu_info 6 at ffff88002810e020, mfn 81810e, 
> offset 32                                                                     
>      
> [    6.121930] cpu 6 using vcpu_info at ffff88002810e020                      
>                                                                               
>  
> [    6.121932] trying to map vcpu_info 7 at ffff88002812c020, mfn 81812c, 
> offset 32                                                                     
>      
> [    6.121936] cpu 7 using vcpu_info at ffff88002812c020                      
>                                                                               
>  
> [    6.121938] trying to map vcpu_info 8 at ffff88002814a020, mfn 81814a, 
> offset 32                                                                     
>      
> [    6.121941] cpu 8 using vcpu_info at ffff88002814a020                      
>                                                                               
>  
> [    6.121943] trying to map vcpu_info 9 at ffff880028168020, mfn 818168, 
> offset 32                                                                     
>      
> [    6.121947] cpu 9 using vcpu_info at ffff880028168020                      
>                                                                               
>  
> [    6.121949] trying to map vcpu_info 10 at ffff880028186020, mfn 818186, 
> offset 32                                                                     
>     
> [    6.121952] cpu 10 using vcpu_info at ffff880028186020                     
>                                                                               
>  
> [    6.121955] trying to map vcpu_info 11 at ffff8800281a4020, mfn 8181a4, 
> offset 32                                                                     
>     
> [    6.121958] cpu 11 using vcpu_info at ffff8800281a4020                     
>                                                                               
>  
> [    6.121960] trying to map vcpu_info 12 at ffff8800281c2020, mfn 8181c2, 
> offset 32                                                                     
>     
> [    6.121963] cpu 12 using vcpu_info at ffff8800281c2020                     
>                                                                               
>  
> [    6.121965] trying to map vcpu_info 13 at ffff8800281e0020, mfn 8181e0, 
> offset 32                                                                     
>     
> [    6.121969] cpu 13 using vcpu_info at ffff8800281e0020                     
>                                                                               
>  
> [    6.121971] trying to map vcpu_info 14 at ffff8800281fe020, mfn 8181fe, 
> offset 32                                                                     
>     
> [    6.121974] cpu 14 using vcpu_info at ffff8800281fe020                     
>                                                                               
>  
> [    6.121976] trying to map vcpu_info 15 at ffff88002821c020, mfn 81821c, 
> offset 32                                                                     
>     
> [    6.121980] cpu 15 using vcpu_info at ffff88002821c020                     
>                                                                               
>  
> [    6.121981] Xen: using vcpu_info placement                                 
>                                                                               
>  
> [    6.121987] Built 1 zonelists in Zone order, mobility grouping on.  Total 
> pages: 7746149                                                                
>   
> [    6.121990] Policy zone: Normal                                            
>                                                                               
>  
> [    6.121992] Kernel command line: placeholder 
> root=UUID=4346c332-863c-4482-b9a1-f3d45dffc1e7 ro console=ttyS1 console=hvc0 
> earlyprintk=xen initcall_debug 0
> [    6.122041] PID hash table entries: 4096 (order: 3, 32768 bytes)           
>                                                                               
>  
> [    6.122370] Initializing CPU#0                                             
>                                                                               
>  
> [    6.131080] DMA: Placing 64MB software IO TLB between ffff880020000000 - 
> ffff880024000000                                                              
>    
> [    6.131087] DMA: software IO TLB at phys 0x20000000 - 0x24000000           
>                                                                               
>  
> [    6.131090] xen_swiotlb_fixup: buf=ffff880020000000 size=67108864          
>                                                                               
>  
> [    6.139836] Kernel panic - not syncing: DMA(-12): Failed to exchange pages 
> allocated for DMA with Xen! We either don't have the permission or you do not 
> !
> [    6.139838]                                                                
>                                                                               
>  
> [    6.139845] Pid: 0, comm: swapper Not tainted 2.6.32-5-xen-amd64 #1        
>                                                                               
>  
> [    6.139847] Call Trace:                                                    
>                                                                               
>  
> [    6.139856]  [<ffffffff8130a9fa>] ? panic+0x86/0x143                       
>                                                                               
>  
> [    6.139862]  [<ffffffff8100ecdf>] ? xen_restore_fl_direct_end+0x0/0x1      
>                                                                               
>  
> [    6.139867]  [<ffffffff8130c8b2>] ? _spin_unlock_irqrestore+0xd/0xe        
>                                                                               
>  
> [    6.139871]  [<ffffffff8100d5e5>] ? xen_create_contiguous_region+0xc8/0xe1 
>                                                                               
>  
> [    6.139878]  [<ffffffff8119d4ba>] ? xen_swiotlb_fixup+0x8b/0xba            
>                                                                               
>  
> [    6.139882]  [<ffffffff813129f3>] ? _etext+0x0/0x1f360d                    
>                                                                               
>  
> [    6.139887]  [<ffffffff8152b430>] ? xen_swiotlb_init+0x5c/0x5f             
>                                                                               
>  
> [    6.139891]  [<ffffffff81509fbb>] ? pci_xen_swiotlb_init+0x17/0x24         
>                                                                               
>  
> [    6.139895]  [<ffffffff8150ce7f>] ? pci_iommu_alloc+0x72/0x78              
>                                                                               
>  
> [    6.139900]  [<ffffffff8151b14c>] ? mem_init+0x15/0xe5                     
>                                                                               
>  
> [    6.139904]  [<ffffffff81506af7>] ? start_kernel+0x202/0x3e8               
>                                                                               
>  
> [    6.139908]  [<ffffffff81508c87>] ? xen_start_kernel+0x586/0x58a           
>                                                                               
>  
> (XEN) Domain 0 crashed: rebooting machine in 5 seconds.                       
>                                                                               
>  
>                                                          

Let me know whether I can assist you further to dig the issue.


- -- 
mit freundlichen Grüßen,
Arno Töll, BSc.
GnuPG Key-ID: 0x8408D4C4

Wavecon GmbH | Frankenstrasse 9 | 90762 Fuerth
Web: wavecon.de | Mail + Jabber at@xxxxxxxxxx
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