http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1698
Summary: Xen dom0 crashes immediately after boot
Product: Xen
Version: unstable
Platform: x86-64
OS/Version: Linux
Status: NEW
Severity: critical
Priority: P2
Component: Hypervisor
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: at@xxxxxxxxxx
The Xen 4 hypervisor fails to boot the dom0 kernel under certain circumstances.
I'm not kernel dev but it seems to me related to swiotlb issues.
The kernel panic message is:
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 !
Some random facts about the issue:
- Distribution: Debian Squeeze x86_64
- Hardware Dell R710
- Kernel version: 2.6.32 (Debian package 2.6.32-29)
- Xen version: 4.0.1 (Debian package 4.0.1-1)
- Xen 3/Debian stable fails as well (I didn't dig the issue though)
- The default (non Xen dom0) kernel boots fine, as does 2.6.32-5-xen-amd64 on
bare metal (i.e. without hypervisor)
- It also boots fine with the hypervisor when disabling Intel-VT in bios
For a boot log with debugging information see See
http://lists.xensource.com/archives/html/xen-users/2010-12/msg00354.html.
To summarize the given thread: We operate roughly 20 more R710 none of them
failed so far (though those run Xen 3/Debian Lenny - that fails as well
though). This one, being the newest, is different only in minor details:
- It uses GUID partition tables because of the size of the internal storage
- It has another RAID controller (PERC H700)
- It has more CPU power (2 x Xeon E5530 2.40 GHz Quad-core processors)
Output of xen dmesg (with VMX DISABLED - with VMX being enabled it fails to
boot completely as said):
(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: DM__ 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 2394.103 MHz processor.
(XEN) Initing memory sharing.
(XEN) CPU0: VMX disabled by BIOS.
(XEN) VMX: failed to initialise.
(XEN) I/O virtualisation disabled
(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 (12345620 pages to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: ffffffff81000000->ffffffff816b6000
(XEN) Init. ramdisk: ffffffff816b6000->ffffffff83064200
(XEN) Phys-Mach map: ffffffff83065000->ffffffff88f158a0
(XEN) Start info: ffffffff88f16000->ffffffff88f164b4
(XEN) Page tables: ffffffff88f17000->ffffffff88f62000
(XEN) Boot stack: ffffffff88f62000->ffffffff88f63000
(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.
Output of xm info (again with VMX disabled):
host : xen27
release : 2.6.32-5-xen-amd64
version : #1 SMP Fri Dec 10 17:41:50 UTC 2010
machine : x86_64
nr_cpus : 16
nr_nodes : 2
cores_per_socket : 4
threads_per_core : 2
cpu_mhz : 2394
hw_caps :
bfebfbff:28100800:00000000:00001b40:009ce3bd:00000000:00000001:00000000
virt_caps :
total_memory : 49142
free_memory : 1906
node_to_cpu : node0:0,2,4,6,8,10,12,14
node1:1,3,5,7,9,11,13,15
node_to_memory : node0:1825
node1:81
node_to_dma32_mem : node0:0
node1:62
max_node_id : 1
xen_major : 4
xen_minor : 0
xen_extra : .1
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p
xen_scheduler : credit
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset : unavailable
xen_commandline : console=com2
cc_compiler : gcc version 4.4.5 20100824 (prerelease) (Debian
4.4.4-11)
cc_compile_by : waldi
cc_compile_domain : debian.org
cc_compile_date : Fri Sep 3 15:38:12 UTC 2010
xend_config_format : 4
For reference, the same again, this time having VMX enabled, catched from the
serial output (see also :
(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 2394.079 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 (12345333 pages to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: ffffffff81000000->ffffffff816b6000
(XEN) Init. ramdisk: ffffffff816b6000->ffffffff83064200
(XEN) Phys-Mach map: ffffffff83065000->ffffffff88f14fa8
(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-bd5ff5: 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[0x1 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
[ 6.874029] trying to map vcpu_info 0 at ffff88002805a020, mfn 81805a,
offset 32
[ 6.874034] cpu 0 using vcpu_info at ffff88002805a020
[ 6.874037] trying to map vcpu_info 1 at ffff880028078020, mfn 818078,
offset 32
[ 6.874040] cpu 1 using vcpu_info at ffff880028078020
[ 6.874042] trying to map vcpu_info 2 at ffff880028096020, mfn 818096,
offset 32
[ 6.874046] cpu 2 using vcpu_info at ffff880028096020
[ 6.874048] trying to map vcpu_info 3 at ffff8800280b4020, mfn 8180b4,
offset 32
[ 6.874051] cpu 3 using vcpu_info at ffff8800280b4020
[ 6.874054] trying to map vcpu_info 4 at ffff8800280d2020, mfn 8180d2,
offset 32
[ 6.874057] cpu 4 using vcpu_info at ffff8800280d2020
[ 6.874059] trying to map vcpu_info 5 at ffff8800280f0020, mfn 8180f0,
offset 32
[ 6.874063] cpu 5 using vcpu_info at ffff8800280f0020
[ 6.874065] trying to map vcpu_info 6 at ffff88002810e020, mfn 81810e,
offset 32
[ 6.874068] cpu 6 using vcpu_info at ffff88002810e020
[ 6.874070] trying to map vcpu_info 7 at ffff88002812c020, mfn 81812c,
offset 32
[ 6.874074] cpu 7 using vcpu_info at ffff88002812c020
[ 6.874076] trying to map vcpu_info 8 at ffff88002814a020, mfn 81814a,
offset 32
[ 6.874079] cpu 8 using vcpu_info at ffff88002814a020
[ 6.874082] trying to map vcpu_info 9 at ffff880028168020, mfn 818168,
offset 32
[ 6.874085] cpu 9 using vcpu_info at ffff880028168020
[ 6.874087] trying to map vcpu_info 10 at ffff880028186020, mfn 818186,
offset 32
[ 6.874090] cpu 10 using vcpu_info at ffff880028186020
[ 6.874093] trying to map vcpu_info 11 at ffff8800281a4020, mfn 8181a4,
offset 32
[ 6.874096] cpu 11 using vcpu_info at ffff8800281a4020
[ 6.874098] trying to map vcpu_info 12 at ffff8800281c2020, mfn 8181c2,
offset 32
[ 6.874101] cpu 12 using vcpu_info at ffff8800281c2020
[ 6.874104] trying to map vcpu_info 13 at ffff8800281e0020, mfn 8181e0,
offset 32
[ 6.874107] cpu 13 using vcpu_info at ffff8800281e0020
[ 6.874109] trying to map vcpu_info 14 at ffff8800281fe020, mfn 8181fe,
offset 32
[ 6.874112] cpu 14 using vcpu_info at ffff8800281fe020
[ 6.874115] trying to map vcpu_info 15 at ffff88002821c020, mfn 81821c,
offset 32
[ 6.874118] cpu 15 using vcpu_info at ffff88002821c020
[ 6.874120] Xen: using vcpu_info placement
[ 6.874125] Built 1 zonelists in Zone order, mobility grouping on. Total
pages: 7746149
[ 6.874128] Policy zone: Normal
[ 6.874131] Kernel command line: placeholder
root=UUID=4346c332-863c-4482-b9a1-f3d45dffc1e7 ro console=ttyS1 console=hvc0
earlyprintk=xen initcall_debug 0
[ 6.874180] PID hash table entries: 4096 (order: 3, 32768 bytes)
[ 6.874511] Initializing CPU#0
[ 6.883216] DMA: Placing 64MB software IO TLB between ffff880020000000 -
ffff880024000000
[ 6.883223] DMA: software IO TLB at phys 0x20000000 - 0x24000000
[ 6.883226] xen_swiotlb_fixup: buf=ffff880020000000 size=67108864
[ 6.891965] 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 !
[ 6.891967]
[ 6.891974] Pid: 0, comm: swapper Not tainted 2.6.32-5-xen-amd64 #1
[ 6.891977] Call Trace:
[ 6.891985] [<ffffffff8130a9fa>] ? panic+0x86/0x143
[ 6.891992] [<ffffffff8100ecdf>] ? xen_restore_fl_direct_end+0x0/0x1
[ 6.891997] [<ffffffff8130c8b2>] ? _spin_unlock_irqrestore+0xd/0xe
[ 6.892001] [<ffffffff8100d5e5>] ? xen_create_contiguous_region+0xc8/0xe1
[ 6.892008] [<ffffffff8119d4ba>] ? xen_swiotlb_fixup+0x8b/0xba
[ 6.892012] [<ffffffff813129f3>] ? _etext+0x0/0x1f360d
[ 6.892017] [<ffffffff8152b430>] ? xen_swiotlb_init+0x5c/0x5f
[ 6.892021] [<ffffffff81509fbb>] ? pci_xen_swiotlb_init+0x17/0x24
[ 6.892026] [<ffffffff8150ce7f>] ? pci_iommu_alloc+0x72/0x78
[ 6.892031] [<ffffffff8151b14c>] ? mem_init+0x15/0xe5
[ 6.892034] [<ffffffff81506af7>] ? start_kernel+0x202/0x3e8
[ 6.892038] [<ffffffff81508c87>] ? xen_start_kernel+0x586/0x58a
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
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