Re: [Xen-devel] [BUG] xen crashes when trying to do pci-passthrough to a pvh guest

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Oct 29, 2014 at 01:16:56AM +0100, hark wrote:
> 
> Hi,
>

Hello,
 
> I am trying to pass through a pci device (happens to different ones) to
> a pvh guest, the guest starts and crashes during booting.
>

I don't think PCI passthru is yet supported for PVH guests..


-- Pasi

 
> The same thing happens with the xen 4.4 in debian jessie, and with 4.5.0-rc.
> 
> This happens on a Thinkpad X201.
> 
> I attached the logfiles.
> 
> Let me know if you need more info, i am not on the list so please cc me.
> 
> Thanks
> 
> 
> 
> 

> #kernel      = '/etc/xen/boot/vmlinuz-3.16-3-amd64'
> kernel      = '/etc/xen/boot/vmlinuz-3.18.0-rc2-custom'
> 
> extra       = 'elevator=noop'
> #ramdisk     = '/etc/xen/boot/initrd.img-3.16-3-amd64'
> ramdisk     = '/etc/xen/boot/initrd.img-3.18.0-rc2-custom'
> 
> vcpus       = '1'
> memory      = '128'
> 
> pvh         = 1
> 
> #wifi
> pci       = [ "02:00.0"]
> 
> root        = '/dev/xvda2 ro'
> disk        = [
>                   'phy:/dev/debian-vg/test-disk,xvda2,w',
>                   'phy:/dev/debian-vg/test-swap,xvda1,w',
>               ]
> 
> name        = 'test'
> 
> dhcp        = 'dhcp'
> vif         = [ 'mac=00:16:3E:CC:9D:A9' ]
> 
> on_poweroff = 'destroy'
> on_reboot   = 'restart'
> on_crash    = 'preserve'
> 
> 
> 

> host                   : debian
> release                : 3.18.0-rc2-custom
> version                : #1 SMP Tue Oct 28 22:41:21 CET 2014
> machine                : x86_64
> nr_cpus                : 4
> max_cpu_id             : 3
> nr_nodes               : 1
> cores_per_socket       : 2
> threads_per_core       : 2
> cpu_mhz                : 2394
> hw_caps                : 
> bfebfbff:28100800:00000000:00003f00:029ae3ff:00000000:00000001:00000000
> virt_caps              : hvm hvm_directio
> total_memory           : 3891
> free_memory            : 318
> sharing_freed_memory   : 0
> sharing_used_memory    : 0
> outstanding_claims     : 0
> free_cpus              : 0
> xen_major              : 4
> xen_minor              : 5
> xen_extra              : .0-rc
> xen_version            : 4.5.0-rc
> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
> hvm-3.0-x86_32p hvm-3.0-x86_64 
> xen_scheduler          : credit
> xen_pagesize           : 4096
> platform_params        : virt_start=0xffff800000000000
> xen_changeset          : Fri Oct 24 16:00:00 2014 +0100 git:6688825
> xen_commandline        : placeholder iommu=pv
> cc_compiler            : gcc (Debian 4.9.1-16) 4.9.1
> cc_compile_by          : root
> cc_compile_domain      : 
> cc_compile_date        : Tue Oct 28 23:00:39 CET 2014
> xend_config_format     : 4

> (d126) mapping kernel into physical memory
> (d126) about to get started...
> (XEN) irq.c:380: Dom126 callback via changed to Direct Vector 0xf3
> (XEN) vmx.c:2442:d126v0 EPT violation 0x182 (-w-/---), gpa 0x000000f240000c, 
> mfn 0xffffffffffffffff, type 4.
> (XEN) p2m-ept.c:915:d126v0 Walking EPT tables for domain 126 gfn f2400
> (XEN) p2m-ept.c:921:d126v0  gfn exceeds max_mapped_pfn 8000
> (XEN) vmx.c:2447:d126v0  --- GLA 0xffffc900000d400c
> (XEN) domain_crash called from vmx.c:2449
> (XEN) Domain 126 (vcpu#0) crashed on cpu#1:
> (XEN) ----[ Xen-4.5.0-rc  x86_64  debug=y  Not tainted ]----
> (XEN) CPU:    1
> (XEN) RIP:    0010:[<ffffffffa0231afe>]
> (XEN) RFLAGS: 0000000000010286   CONTEXT: hvm guest
> (XEN) rax: ffffffffa0237bc0   rbx: ffff880000420000   rcx: 0000000000000000
> (XEN) rdx: 0000000000000000   rsi: ffffc900000d400c   rdi: ffff880000420000
> (XEN) rbp: 0000000000000000   rsp: ffff880004437b40   r8:  0000000000800000
> (XEN) r9:  ffff880006c00008   r10: 0000000000000000   r11: 0000000000000101
> (XEN) r12: ffff880007b77000   r13: ffff880007b77098   r14: 0000000000000001
> (XEN) r15: ffff8800073b30c0   cr0: 0000000080050033   cr4: 00000000000006b0
> (XEN) cr3: 0000000007fc0000   cr2: 00007f8c4b04d000
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0018   cs: 0010
> (XEN) Guest stack trace from rsp=ffff880004437b40:
> (XEN)   Fault while accessing guest memory.
> 

> processor     : 0
> vendor_id     : GenuineIntel
> cpu family    : 6
> model         : 37
> model name    : Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
> stepping      : 5
> microcode     : 0x2
> cpu MHz               : 2394.018
> cache size    : 3072 KB
> physical id   : 0
> siblings      : 4
> core id               : 0
> cpu cores     : 2
> apicid                : 0
> initial apicid        : 0
> fpu           : yes
> fpu_exception : yes
> cpuid level   : 11
> wp            : yes
> flags         : fpu de tsc msr pae mce cx8 apic sep mca cmov pat clflush acpi 
> mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc 
> pni pclmulqdq monitor est ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor 
> lahf_lm ida arat dtherm
> bugs          :
> bogomips      : 4788.03
> clflush size  : 64
> cache_alignment       : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
> 
> processor     : 1
> vendor_id     : GenuineIntel
> cpu family    : 6
> model         : 37
> model name    : Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
> stepping      : 5
> microcode     : 0x2
> cpu MHz               : 2394.018
> cache size    : 3072 KB
> physical id   : 0
> siblings      : 4
> core id               : 0
> cpu cores     : 2
> apicid                : 1
> initial apicid        : 1
> fpu           : yes
> fpu_exception : yes
> cpuid level   : 11
> wp            : yes
> flags         : fpu de tsc msr pae mce cx8 apic sep mca cmov pat clflush acpi 
> mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc 
> pni pclmulqdq monitor est ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor 
> lahf_lm ida arat dtherm
> bugs          :
> bogomips      : 4788.03
> clflush size  : 64
> cache_alignment       : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
> 
> processor     : 2
> vendor_id     : GenuineIntel
> cpu family    : 6
> model         : 37
> model name    : Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
> stepping      : 5
> microcode     : 0x2
> cpu MHz               : 2394.018
> cache size    : 3072 KB
> physical id   : 0
> siblings      : 4
> core id               : 2
> cpu cores     : 2
> apicid                : 4
> initial apicid        : 4
> fpu           : yes
> fpu_exception : yes
> cpuid level   : 11
> wp            : yes
> flags         : fpu de tsc msr pae mce cx8 apic sep mca cmov pat clflush acpi 
> mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc 
> pni pclmulqdq monitor est ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor 
> lahf_lm ida arat dtherm
> bugs          :
> bogomips      : 4788.03
> clflush size  : 64
> cache_alignment       : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
> 
> processor     : 3
> vendor_id     : GenuineIntel
> cpu family    : 6
> model         : 37
> model name    : Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
> stepping      : 5
> microcode     : 0x2
> cpu MHz               : 2394.018
> cache size    : 3072 KB
> physical id   : 0
> siblings      : 4
> core id               : 2
> cpu cores     : 2
> apicid                : 5
> initial apicid        : 5
> fpu           : yes
> fpu_exception : yes
> cpuid level   : 11
> wp            : yes
> flags         : fpu de tsc msr pae mce cx8 apic sep mca cmov pat clflush acpi 
> mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc 
> pni pclmulqdq monitor est ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor 
> lahf_lm ida arat dtherm
> bugs          :
> bogomips      : 4788.03
> clflush size  : 64
> cache_alignment       : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
> 

> root@debian:~# xl console test
> [    0.000000] Initializing cgroup subsys cpuset
> [    0.000000] Initializing cgroup subsys cpu
> [    0.000000] Initializing cgroup subsys cpuacct
> [    0.000000] Linux version 3.18.0-rc2-custom (root@debian) (gcc version 
> 4.9.1 (Debian 4.9.1-16) ) #1 SMP Tue Oct 28 22:41:21 CET 2014
> [    0.000000] Command line: root=/dev/xvda2 ro elevator=noop
> [    0.000000] ACPI in unprivileged domain disabled
> [    0.000000] e820: BIOS-provided physical RAM map:
> [    0.000000] Xen: [mem 0x0000000000000000-0x0000000007ffffff] usable
> [    0.000000] Xen: [mem 0x0000000008000000-0x00000000bb27bfff] unusable
> [    0.000000] Xen: [mem 0x00000000bb27c000-0x00000000bb281fff] reserved
> [    0.000000] Xen: [mem 0x00000000bb282000-0x00000000bb35efff] unusable
> [    0.000000] Xen: [mem 0x00000000bb35f000-0x00000000bb370fff] reserved
> [    0.000000] Xen: [mem 0x00000000bb371000-0x00000000bb3f1fff] ACPI NVS
> [    0.000000] Xen: [mem 0x00000000bb3f2000-0x00000000bb40efff] reserved
> [    0.000000] Xen: [mem 0x00000000bb40f000-0x00000000bb46efff] unusable
> [    0.000000] Xen: [mem 0x00000000bb46f000-0x00000000bb667fff] reserved
> [    0.000000] Xen: [mem 0x00000000bb668000-0x00000000bb6e7fff] ACPI NVS
> [    0.000000] Xen: [mem 0x00000000bb6e8000-0x00000000bb70efff] reserved
> [    0.000000] Xen: [mem 0x00000000bb70f000-0x00000000bb716fff] unusable
> [    0.000000] Xen: [mem 0x00000000bb717000-0x00000000bb71efff] reserved
> [    0.000000] Xen: [mem 0x00000000bb71f000-0x00000000bb76afff] unusable
> [    0.000000] Xen: [mem 0x00000000bb76b000-0x00000000bb776fff] ACPI NVS
> [    0.000000] Xen: [mem 0x00000000bb777000-0x00000000bb779fff] ACPI data
> [    0.000000] Xen: [mem 0x00000000bb77a000-0x00000000bb780fff] ACPI NVS
> [    0.000000] Xen: [mem 0x00000000bb781000-0x00000000bb781fff] ACPI data
> [    0.000000] Xen: [mem 0x00000000bb782000-0x00000000bb78afff] ACPI NVS
> [    0.000000] Xen: [mem 0x00000000bb78b000-0x00000000bb78bfff] ACPI data
> [    0.000000] Xen: [mem 0x00000000bb78c000-0x00000000bb79efff] ACPI NVS
> [    0.000000] Xen: [mem 0x00000000bb79f000-0x00000000bb7fefff] ACPI data
> [    0.000000] Xen: [mem 0x00000000bb7ff000-0x00000000bb7fffff] unusable
> [    0.000000] Xen: [mem 0x00000000bb800000-0x00000000bfffffff] reserved
> [    0.000000] Xen: [mem 0x00000000e0000000-0x00000000efffffff] reserved
> [    0.000000] Xen: [mem 0x00000000feaff000-0x00000000feafffff] reserved
> [    0.000000] Xen: [mem 0x00000000fec00000-0x00000000fec0ffff] reserved
> [    0.000000] Xen: [mem 0x00000000fed00000-0x00000000fed003ff] reserved
> [    0.000000] Xen: [mem 0x00000000fed1c000-0x00000000fed91fff] reserved
> [    0.000000] Xen: [mem 0x00000000fed93000-0x00000000fed93fff] reserved
> [    0.000000] Xen: [mem 0x00000000fee00000-0x00000000feefffff] reserved
> [    0.000000] Xen: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
> [    0.000000] NX (Execute Disable) protection: active
> [    0.000000] DMI not present or invalid.
> [    0.000000] AGP: No AGP bridge found
> [    0.000000] e820: last_pfn = 0x8000 max_arch_pfn = 0x400000000
> [    0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
> [    0.000000] init_memory_mapping: [mem 0x07e00000-0x07ffffff]
> [    0.000000] init_memory_mapping: [mem 0x04000000-0x07dfffff]
> [    0.000000] init_memory_mapping: [mem 0x00100000-0x03ffffff]
> [    0.000000] RAMDISK: [mem 0x01d70000-0x0485afff]
> [    0.000000] NUMA turned off
> [    0.000000] Faking a node at [mem 0x0000000000000000-0x0000000007ffffff]
> [    0.000000] NODE_DATA(0) allocated [mem 0x07ffc000-0x07ffffff]
> [    0.000000] Zone ranges:
> [    0.000000]   DMA      [mem 0x00001000-0x00ffffff]
> [    0.000000]   DMA32    [mem 0x01000000-0xffffffff]
> [    0.000000]   Normal   empty
> [    0.000000] Movable zone start for each node
> [    0.000000] Early memory node ranges
> [    0.000000]   node   0: [mem 0x00001000-0x0009ffff]
> [    0.000000]   node   0: [mem 0x00100000-0x07ffffff]
> [    0.000000] Initmem setup node 0 [mem 0x00001000-0x07ffffff]
> [    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
> [    0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs
> [    0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
> [    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]
> [    0.000000] e820: [mem 0xc0000000-0xdfffffff] available for PCI devices
> [    0.000000] Booting paravirtualized kernel with PVH extensions on Xen
> [    0.000000] Xen version: 4.5.0-rc
> [    0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:1 
> nr_node_ids:1
> [    0.000000] PERCPU: Embedded 31 pages/cpu @ffff880007c00000 s87040 r8192 
> d31744 u2097152
> [    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total 
> pages: 32202
> [    0.000000] Policy zone: DMA32
> [    0.000000] Kernel command line: root=/dev/xvda2 ro elevator=noop
> [    0.000000] PID hash table entries: 512 (order: 0, 4096 bytes)
> [    0.000000] AGP: Checking aperture...
> [    0.000000] AGP: No AGP bridge found
> [    0.000000] Memory: 72460K/130684K available (5421K kernel code, 1032K 
> rwdata, 1844K rodata, 1216K init, 856K bss, 58224K reserved)
> [    0.000000] Hierarchical RCU implementation.
> [    0.000000]  RCU dyntick-idle grace-period acceleration is enabled.
> [    0.000000]  RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=1.
> [    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
> [    0.000000] NR_IRQS:33024 nr_irqs:24 0
> [    0.000000] xen:events: Using FIFO-based ABI
> [    0.000000] xen:events: Xen HVM callback vector for event delivery is 
> enabled
> [    0.000000] Console: colour dummy device 80x25
> [    0.000000] console [tty0] enabled
> [    0.000000] console [hvc0] enabled
> [    0.000000] allocated 524288 bytes of page_cgroup
> [    0.000000] please try 'cgroup_disable=memory' option if you don't want 
> memory cgroups
> [    0.000000] installing Xen timer for CPU 0
> [    0.000000] tsc: Detected 2394.018 MHz processor
> [    0.004000] Calibrating delay loop (skipped), value calculated using timer 
> frequency.. 4788.03 BogoMIPS (lpj=9576072)
> [    0.004000] pid_max: default: 32768 minimum: 301
> [    0.004000] Security Framework initialized
> [    0.004000] AppArmor: AppArmor disabled by boot time parameter
> [    0.004000] Yama: becoming mindful.
> [    0.004000] Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
> [    0.004000] Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)
> [    0.004000] Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
> [    0.004000] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes)
> [    0.004000] Initializing cgroup subsys memory
> [    0.004000] Initializing cgroup subsys devices
> [    0.004000] Initializing cgroup subsys freezer
> [    0.004000] Initializing cgroup subsys net_cls
> [    0.004000] Initializing cgroup subsys blkio
> [    0.004000] Initializing cgroup subsys perf_event
> [    0.004000] Initializing cgroup subsys net_prio
> [    0.004000] CPU: Physical Processor ID: 0
> [    0.004000] CPU: Processor Core ID: 0
> [    0.004000] Last level iTLB entries: 4KB 512, 2MB 7, 4MB 7
> [    0.004000] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0
> [    0.009157] Freeing SMP alternatives memory: 20K (ffffffff81a34000 - 
> ffffffff81a39000)
> [    0.012071] ftrace: allocating 21977 entries in 86 pages
> [    0.016195] Performance Events: unsupported p6 CPU model 37 no PMU driver, 
> software events only.
> [    0.017396] x86: Booted up 1 node, 1 CPUs
> [    0.017506] NMI watchdog: disabled (cpu0): hardware events not enabled
> [    0.017602] devtmpfs: initialized
> [    0.019348] PM: Registering ACPI NVS region [mem 0xbb371000-0xbb3f1fff] 
> (528384 bytes)
> [    0.019374] PM: Registering ACPI NVS region [mem 0xbb668000-0xbb6e7fff] 
> (524288 bytes)
> [    0.019397] PM: Registering ACPI NVS region [mem 0xbb76b000-0xbb776fff] 
> (49152 bytes)
> [    0.019411] PM: Registering ACPI NVS region [mem 0xbb77a000-0xbb780fff] 
> (28672 bytes)
> [    0.019424] PM: Registering ACPI NVS region [mem 0xbb782000-0xbb78afff] 
> (36864 bytes)
> [    0.019437] PM: Registering ACPI NVS region [mem 0xbb78c000-0xbb79efff] 
> (77824 bytes)
> [    0.020340] pinctrl core: initialized pinctrl subsystem
> [    0.020475] NET: Registered protocol family 16
> [    0.020501] xen:grant_table: Grant tables using version 1 layout
> [    0.020635] Grant table initialized
> [    0.020982] PCI: setting up Xen PCI frontend stub
> [    0.021720] ACPI: Interpreter disabled.
> [    0.021744] xen:balloon: Initialising balloon driver
> [    0.021769] xen_balloon: Initialising balloon driver
> [    0.024078] vgaarb: loaded
> [    0.024176] PCI: System does not support PCI
> [    0.024191] PCI: System does not support PCI
> [    0.024370] Switched to clocksource xen
> [    0.029182] pnp: PnP ACPI: disabled
> [    0.030630] NET: Registered protocol family 2
> [    0.030802] TCP established hash table entries: 1024 (order: 1, 8192 bytes)
> [    0.030820] TCP bind hash table entries: 1024 (order: 2, 16384 bytes)
> [    0.030835] TCP: Hash tables configured (established 1024 bind 1024)
> [    0.030863] TCP: reno registered
> [    0.030873] UDP hash table entries: 256 (order: 1, 8192 bytes)
> [    0.030886] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
> [    0.030938] NET: Registered protocol family 1
> [    0.031008] Unpacking initramfs...
> [    0.073926] Freeing initrd memory: 43948K (ffff880001d70000 - 
> ffff88000485b000)
> [    0.075009] platform rtc_cmos: registered platform RTC device (no PNP 
> device found)
> [    0.075100] microcode: CPU0 sig=0x20655, pf=0x10, revision=0x2
> [    0.182486] microcode: Microcode Update Driver: v2.00 
> <tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba
> [    0.182745] futex hash table entries: 256 (order: 2, 16384 bytes)
> [    0.182787] audit: initializing netlink subsys (disabled)
> [    0.182821] audit: type=2000 audit(1414540831.655:1): initialized
> [    0.183106] HugeTLB registered 2 MB page size, pre-allocated 0 pages
> [    0.183147] zpool: loaded
> [    0.183156] zbud: loaded
> [    0.183281] VFS: Disk quotas dquot_6.5.2
> [    0.183306] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> [    0.183376] msgmni has been set to 227
> [    0.183666] alg: No test for stdrng (krng)
> [    0.183706] Block layer SCSI generic (bsg) driver version 0.4 loaded 
> (major 252)
> [    0.183755] io scheduler noop registered (default)
> [    0.183771] io scheduler deadline registered
> [    0.183788] io scheduler cfq registered
> [    0.183859] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> [    0.183889] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
> [    0.184303] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> [    0.184604] Linux agpgart interface v0.103
> [    0.184689] i8042: PNP: No PS/2 controller found. Probing ports directly.
> [    1.198187] i8042: No controller found
> [    1.198305] mousedev: PS/2 mouse device common for all mice
> [    1.258083] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
> [    1.258167] rtc_cmos: probe of rtc_cmos failed with error -38
> [    1.258222] ledtrig-cpu: registered to indicate activity on CPUs
> [    1.258250] AMD IOMMUv2 driver by Joerg Roedel <joerg.roedel@xxxxxxx>
> [    1.258263] AMD IOMMUv2 functionality not available on this system
> [    1.258386] TCP: cubic registered
> [    1.258423] NET: Registered protocol family 10
> [    1.258654] mip6: Mobile IPv6
> [    1.258670] NET: Registered protocol family 17
> [    1.258689] mpls_gso: MPLS GSO support
> [    1.258702] mce: Unable to init device /dev/mcelog (rc: -5)
> [    1.258889] registered taskstats version 1
> [    1.258960] xenbus_probe_frontend: Device with no driver: device/vbd/51714
> [    1.258975] xenbus_probe_frontend: Device with no driver: device/vbd/51713
> [    1.258987] xenbus_probe_frontend: Device with no driver: device/vif/0
> [    1.258999] xenbus_probe_frontend: Device with no driver: device/pci/0
> [    1.259047] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
> [    1.259594] Freeing unused kernel memory: 1216K (ffffffff81904000 - 
> ffffffff81a34000)
> [    1.259620] Write protecting the kernel read-only data: 8192k
> [    1.260134] Freeing unused kernel memory: 712K (ffff88000154e000 - 
> ffff880001600000)
> [    1.260231] Freeing unused kernel memory: 204K (ffff8800017cd000 - 
> ffff880001800000)
> Loading, please wait...
> [    1.268180] systemd-udevd[59]: starting version 215
> [    1.268524] random: systemd-udevd urandom read with 3 bits of entropy 
> available
> [    1.278251] xen_netfront: Initialising Xen virtual ethernet driver
> [    1.354513] blkfront: xvda2: flush diskcache: enabled; persistent grants: 
> enabled; indirect descriptors: enabled;
> [    1.385727] blkfront: xvda1: flush diskcache: enabled; persistent grants: 
> enabled; indirect descriptors: enabled;
> Begin: Loading essential drivers ... done.
> Begin: Running /scripts/init-premount ... done.
> Begin: Mounting root file system ... Begin: Running /scripts/local-top ... 
> done.
> Begin: Running /scripts/local-premount ... [    1.675800] PM: Starting manual 
> resume from disk
> done.
> [    1.693954] EXT4-fs (xvda2): mounting ext3 file system using the ext4 
> subsystem
> [    1.696371] EXT4-fs (xvda2): INFO: recovery required on readonly filesystem
> [    1.696415] EXT4-fs (xvda2): write access will be enabled during recovery
> [    1.930298] EXT4-fs (xvda2): recovery complete
> [    1.941684] EXT4-fs (xvda2): mounted filesystem with ordered data mode. 
> Opts: (null)
> Begin: Running /scripts/local-bottom ... done.
> done.
> Begin: Running /scripts/init-bottom ... done.
> [    3.002440] systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT 
> +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ -SECCOMP -APPARMOR)
> [    3.002590] systemd[1]: Detected virtualization 'xen'.
> [    3.002629] systemd[1]: Detected architecture 'x86-64'.
> 
> Welcome to Debian GNU/Linux jessie/sid!
> 
> [    3.448147] systemd[1]: Inserted module 'autofs4'
> [    3.459328] systemd[1]: Set hostname to <test>.
> [    3.677952] random: nonblocking pool is initialized
> [    4.029391] systemd[1]: Cannot add dependency job for unit 
> display-manager.service, ignoring: Unit display-manager.service failed to 
> load: No such file or directory.
> [    4.029991] systemd[1]: Starting Forward Password Requests to Wall 
> Directory Watch.
> [    4.030138] systemd[1]: Started Forward Password Requests to Wall 
> Directory Watch.
> [    4.030201] systemd[1]: Expecting device dev-hvc0.device...
>          Expecting device dev-hvc0.device...
> [    4.030474] systemd[1]: Starting Remote File Systems (Pre).
> [  OK  ] Reached target Remote File Systems (Pre).
> [    4.030725] systemd[1]: Reached target Remote File Systems (Pre).
> [    4.030797] systemd[1]: Starting Dispatch Password Requests to Console 
> Directory Watch.
> [    4.030898] systemd[1]: Started Dispatch Password Requests to Console 
> Directory Watch.
> [    4.030957] systemd[1]: Starting Paths.
> [  OK  ] Reached target Paths.
> [    4.031273] systemd[1]: Reached target Paths.
> [    4.031360] systemd[1]: Starting Arbitrary Executable File Formats File 
> System Automount Point.
> [  OK  ] Set up automount Arbitrary Executable File Formats F...utomount 
> Point.
> [    4.031720] systemd[1]: Set up automount Arbitrary Executable File Formats 
> File System Automount Point.
> [    4.031788] systemd[1]: Starting Encrypted Volumes.
> [  OK  ] Reached target Encrypted Volumes.
> [    4.031950] systemd[1]: Reached target Encrypted Volumes.
> [    4.031999] systemd[1]: Expecting device dev-xvda1.device...
>          Expecting device dev-xvda1.device...
> [    4.032212] systemd[1]: Starting Root Slice.
> [  OK  ] Created slice Root Slice.
> [    4.040364] systemd[1]: Created slice Root Slice.
> [    4.040415] systemd[1]: Starting User and Session Slice.
> [  OK  ] Created slice User and Session Slice.
> [    4.040874] systemd[1]: Created slice User and Session Slice.
> [    4.040928] systemd[1]: Starting Delayed Shutdown Socket.
> [  OK  ] Listening on Delayed Shutdown Socket.
> [    4.041145] systemd[1]: Listening on Delayed Shutdown Socket.
> [    4.041198] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
> [  OK  ] Listening on /dev/initctl Compatibility Named Pipe.
> [    4.041411] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
> [    4.041463] systemd[1]: Starting Journal Socket (/dev/log).
> [  OK  ] Listening on Journal Socket (/dev/log).
> [    4.041677] systemd[1]: Listening on Journal Socket (/dev/log).
> [    4.041729] systemd[1]: Starting Syslog Socket.
> [  OK  ] Listening on Syslog Socket.
> [    4.041924] systemd[1]: Listening on Syslog Socket.
> [    4.041981] systemd[1]: Starting udev Control Socket.
> [  OK  ] Listening on udev Control Socket.
> [    4.042175] systemd[1]: Listening on udev Control Socket.
> [    4.042231] systemd[1]: Starting udev Kernel Socket.
> [  OK  ] Listening on udev Kernel Socket.
> [    4.042423] systemd[1]: Listening on udev Kernel Socket.
> [    4.042475] systemd[1]: Starting Journal Socket.
> [  OK  ] Listening on Journal Socket.
> [    4.230080] systemd[1]: Listening on Journal Socket.
> [    4.230153] systemd[1]: Starting System Slice.
> [  OK  ] Created slice System Slice.
> [    4.230483] systemd[1]: Created slice System Slice.
> [    4.230523] systemd[1]: Starting File System Check on Root Device...
>          Starting File System Check on Root Device...
> [    4.231124] systemd[1]: Starting system-getty.slice.
> [  OK  ] Created slice system-getty.slice.
> [    4.231479] systemd[1]: Created slice system-getty.slice.
> [    4.231526] systemd[1]: Starting system-serial\x2dgetty.slice.
> [  OK  ] Created slice system-serial\x2dgetty.slice.
> [    4.231796] systemd[1]: Created slice system-serial\x2dgetty.slice.
> [    4.231897] systemd[1]: Mounting Debug File System...
>          Mounting Debug File System...
> [    4.232412] systemd[1]: Mounting Huge Pages File System...
>          Mounting Huge Pages File System...
> [    4.232898] systemd[1]: Starting udev Coldplug all Devices...
>          Starting udev Coldplug all Devices...
> [    4.233437] systemd[1]: Mounting POSIX Message Queue File System...
>          Mounting POSIX Message Queue File System...
> [    4.233959] systemd[1]: Starting Create list of required static device 
> nodes for the current kernel...
>          Starting Create list of required static device nodes...rrent 
> kernel...
> [    4.261414] systemd[1]: Started Set Up Additional Binary Formats.
> [    4.311083] systemd[1]: Starting Load Kernel Modules...
>          Starting Load Kernel Modules...
> [    4.312216] systemd[1]: Starting Journal Service...
>          Starting Journal Service...
> [  OK  ] Started Journal Service.
> [    4.313374] systemd[1]: Started Journal Service.
> [  OK  ] Reached target Slices.
> [  OK  ] Started Load Kernel Modules.
>          Starting Apply Kernel Variables...
> [  OK  ] Started udev Coldplug all Devices.
> [  OK  ] Mounted POSIX Message Queue File System.
> [  OK  ] Mounted Huge Pages File System.
> [  OK  ] Mounted Debug File System.
> [  OK  ] Started Create list of required static device nodes ...current 
> kernel.
>          Starting Create Static Device Nodes in /dev...
> [  OK  ] Started Apply Kernel Variables.
> [  OK  ] Started Create Static Device Nodes in /dev.
>          Starting udev Kernel Device Manager...
> [    5.109937] systemd-udevd[132]: starting version 215
> [  OK  ] Started udev Kernel Device Manager.
>          Starting Copy rules generated while the root was ro...
>          Starting LSB: Set preliminary keymap...
> [  OK  ] Started Copy rules generated while the root was ro.
> [  OK  ] Started LSB: Set preliminary keymap.
> [    5.262244] systemd-fsck[108]: /dev/xvda2: clean, 31172/262144 files, 
> 358929/1048576 blocks
> [  OK  ] Started File System Check on Root Device.
>          Starting Remount Root and Kernel File Systems...
> [    5.335595] EXT4-fs (xvda2): re-mounted. Opts: errors=remount-ro
> [  OK  ] Started Remount Root and Kernel File Systems.
>          Starting Load/Save Random Seed...
> [  OK  ] Reached target Local File Systems (Pre).
> [  OK  ] Reached target Local File Systems.
>          Starting Create Volatile Files and Directories...
> [  OK  ] Reached target Remote File Systems.
>          Starting Trigger Flushing of Journal to Persistent Storage...
> [  OK  ] Started Create Volatile Files and Directories.
>          Starting Update UTMP about System Boot/Shutdown...
> [  OK  ] Started Load/Save Random Seed.
>          Starting LSB: Raise network interfaces....
> [    5.445929] systemd-journald[115]: Received request to flush runtime 
> journal from PID 1
> [  OK  ] Started Trigger Flushing of Journal to Persistent Storage.
> [  OK  ] Started Update UTMP about System Boot/Shutdown.
> [  OK  ] Found device /dev/hvc0.
> [  OK  ] Found device /dev/xvda1.
>          Activating swap /dev/xvda1...
> [    6.105743] input: PC Speaker as /devices/platform/pcspkr/input/input0
> [    6.263162] SSE version of gcm_enc/dec engaged.
> [    6.266721] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni)
> [    6.336553] Adding 131068k swap on /dev/xvda1.  Priority:-1 extents:1 
> across:131068k SSFS
> [  OK  ] Activated swap /dev/xvda1.
> [  OK  ] Reached target Swap.
> [    6.348568] pcifront pci-0: Installing PCI frontend
> [    6.348639] xen:swiotlb_xen: Warning: only able to allocate 2 MB for 
> software IO TLB
> [    6.348954] software IO TLB [mem 0x06600000-0x06800000] (2MB) mapped at 
> [ffff880006600000-ffff8800067fffff]
> [    6.349329] pcifront pci-0: Creating PCI Frontend Bus 0000:00
> [    6.349464] pcifront pci-0: PCI host bridge to bus 0000:00
> [    6.349498] pci_bus 0000:00: root bus resource [io  0x0000-0xffff]
> [    6.349529] pci_bus 0000:00: root bus resource [mem 0x00000000-0xfffffffff]
> [    6.349560] pci_bus 0000:00: root bus resource [bus 00-ff]
> [    6.356359] ACPI Exception: AE_BAD_PARAMETER, Thread 119619856 could not 
> acquire Mutex [0x1] (20140926/utmutex-285)
> [    6.356426] ACPI Exception: AE_BAD_PARAMETER, Thread 119619856 could not 
> acquire Mutex [0x1] (20140926/utmutex-285)
> [    6.375033] pcifront pci-0: claiming resource 0000:00:00.0/0
> [    6.383247] alg: No test for crc32 (crc32-pclmul)
> [    6.473839] Error: Driver 'pcspkr' is already registered, aborting...
> [    7.213755] cfg80211: Calling CRDA to update world regulatory domain
> [  OK  ] Started LSB: Raise network interfaces..
> [  OK  ] Reached target Network.
>          Starting LSB: Set console font and keymap...
> [  OK  ] Started LSB: Set console font and keymap.
> [  OK  ] Reached target System Initialization.
> [  OK  ] Listening on D-Bus System Message Bus Socket.
> [  OK  ] Reached target Sockets.
> [  OK  ] Reached target Timers.
> [    7.291125] Intel(R) Wireless WiFi driver for Linux, in-tree:
> [    7.291153] Copyright(c) 2003- 2014 Intel Corporation
> [    7.291432] iwlwifi 0000:00:00.0: enabling device (0000 -> 0002)
> [    7.292807] iwlwifi 0000:00:00.0: Xen PCI mapped GSI16 to IRQ29
> 

> _______________________________________________
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> Xen-devel@xxxxxxxxxxxxx
> http://lists.xen.org/xen-devel


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