On Mon, Mar 14, 2011 at 03:51:08PM -0700, Paul Wozney wrote:
> On Mon, Mar 14, 2011 at 04:49, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
>
> >
> > Did he try booting the latest dom0 kernel from xen.git xen/stable-2.6.32.x
> > branch?
> >
>
> I compiled this kernel and I get a different kernel panic.
What type of config did you use? Did you try the one in PVOPS Wiki page?
Is this happening only on this specific machine?
What does your DSDT look like? Can you run iasl on it to decompile?
This looks like a bug we hit in the past where Jan Beulich decoded
the DSDT and found out that it was doing somethign really silly.
Can't remember the details .. maybe Jan does.
> [ 0.000000] Initializing cgroup subsys cpuset
> [ 0.000000] Initializing cgroup subsys cpu
> [ 0.000000] Linux version 2.6.32.32 (paul@we-ho-srv02) (gcc version 4.4.5
> (Debian 4.4.5-8) ) #3 SMP Mon Mar 14 14:25:05 PDT 2011
> [ 0.000000] Command line: placeholder root=/dev/mapper/we--ho--srv02-root
> ro console=ttyS0,9600n8 console=tty0
> [ 0.000000] KERNEL supported cpus:
> [ 0.000000] Intel GenuineIntel
> [ 0.000000] AMD AuthenticAMD
> [ 0.000000] Centaur CentaurHauls
> [ 0.000000] released 0 pages of unused memory
> [ 0.000000] BIOS-provided physical RAM map:
> [ 0.000000] Xen: 0000000000000000 - 000000000009b000 (usable)
> [ 0.000000] Xen: 000000000009b800 - 0000000000100000 (reserved)
> [ 0.000000] Xen: 0000000000100000 - 0000000076674000 (usable)
> [ 0.000000] Xen: 000000007fef0000 - 000000007fef3000 (ACPI NVS)
> [ 0.000000] Xen: 000000007fef3000 - 000000007ff00000 (ACPI data)
> [ 0.000000] Xen: 00000000d0000000 - 00000000f0000000 (reserved)
> [ 0.000000] Xen: 00000000fec00000 - 0000000100000000 (reserved)
> [ 0.000000] Xen: 0000000100000000 - 000000010987c000 (usable)
> [ 0.000000] DMI 2.4 present.
> [ 0.000000] Phoenix BIOS detected: BIOS may corrupt low RAM, working
> around it.
> [ 0.000000] last_pfn = 0x10987c max_arch_pfn = 0x400000000
> [ 0.000000] x86 PAT enabled: cpu 0, old 0x50100070406, new 0x7010600070106
> [ 0.000000] last_pfn = 0x76674 max_arch_pfn = 0x400000000
> [ 0.000000] init_memory_mapping: 0000000000000000-0000000076674000
> [ 0.000000] init_memory_mapping: 0000000100000000-000000010987c000
> [ 0.000000] ACPI: RSDP 00000000000f80a0 00014 (v00 Nvidia)
> [ 0.000000] ACPI: RSDT 000000007fef3040 0003C (v01 Nvidia NVDAACPI
> 42302E31 NVDA 00000000)
> [ 0.000000] ACPI: FACP 000000007fef30c0 00074 (v01 Nvidia NVDAACPI
> 42302E31 NVDA 00000000)
> [ 0.000000] ACPI: DSDT 000000007fef3180 0541D (v01 NVIDIA NVDAACPI
> 00001000 MSFT 03000000)
> [ 0.000000] ACPI: FACS 000000007fef0000 00040
> [ 0.000000] ACPI: HPET 000000007fef8700 00038 (v01 Nvidia NVDAACPI
> 42302E31 NVDA 00000098)
> [ 0.000000] ACPI: WDRT 000000007fef8780 00047 (v01 Nvidia NVDAACPI
> 42302E31 NVDA 00000000)
> [ 0.000000] ACPI: MCFG 000000007fef8840 0003C (v01 Nvidia NVDAACPI
> 42302E31 NVDA 00000000)
> [ 0.000000] ACPI: APIC 000000007fef8600 00098 (v01 Nvidia NVDAACPI
> 42302E31 NVDA 00000000)
> [ 0.000000] ACPI: OEMN 000000007fef88c0 051A7 (v01 NVIDIA NTUNEOEM
> 20302E31 NVDA 00000000)
> [ 0.000000] No NUMA configuration found
> [ 0.000000] Faking a node at 0000000000000000-000000010987c000
> [ 0.000000] Bootmem setup node 0 0000000000000000-000000010987c000
> [ 0.000000] NODE_DATA [0000000000010000 - 0000000000017fff]
> [ 0.000000] bootmap [0000000000018000 - 000000000003930f] pages 22
> [ 0.000000] (9 early reservations) ==> bootmem [0000000000 - 010987c000]
> [ 0.000000] #0 [0000000000 - 0000001000] BIOS data page ==>
> [0000000000 - 0000001000]
> [ 0.000000] #1 [0001b24000 - 0001b35000] XEN PAGETABLES ==>
> [0001b24000 - 0001b35000]
> [ 0.000000] #2 [0000006000 - 0000008000] TRAMPOLINE ==>
> [0000006000 - 0000008000]
> [ 0.000000] #3 [0001000000 - 00016449d4] TEXT DATA BSS ==>
> [0001000000 - 00016449d4]
> [ 0.000000] #4 [000176f000 - 0001b24000] XEN START INFO ==>
> [000176f000 - 0001b24000]
> [ 0.000000] #5 [0100000000 - 010987c000] XEN EXTRA ==>
> [0100000000 - 010987c000]
> [ 0.000000] #6 [0001645000 - 00016530b2] BRK ==>
> [0001645000 - 00016530b2]
> [ 0.000000] #7 [0000100000 - 00004a3000] PGTABLE ==>
> [0000100000 - 00004a3000]
> [ 0.000000] #8 [00004a3000 - 00004f1000] PGTABLE ==>
> [00004a3000 - 00004f1000]
> [ 0.000000] found SMP MP-table at [ffff8800000f40e0] f40e0
> [ 0.000000] Zone PFN ranges:
> [ 0.000000] DMA 0x00000010 -> 0x00001000
> [ 0.000000] DMA32 0x00001000 -> 0x00100000
> [ 0.000000] Normal 0x00100000 -> 0x0010987c
> [ 0.000000] Movable zone start PFN for each node
> [ 0.000000] early_node_map[3] active PFN ranges
> [ 0.000000] 0: 0x00000010 -> 0x0000009b
> [ 0.000000] 0: 0x00000100 -> 0x00076674
> [ 0.000000] 0: 0x00100000 -> 0x0010987c
> [ 0.000000] ACPI: PM-Timer IO Port: 0x1008
> [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] disabled)
> [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] disabled)
> [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
> [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
> [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
> [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
> [ 0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
> [ 0.000000] IOAPIC[0]: apic_id 4, version 0, address 0xfec00000, GSI 0-0
> [ 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] ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
> [ 0.000000] ERROR: Unable to locate IOAPIC for GSI 14
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
> [ 0.000000] ERROR: Unable to locate IOAPIC for GSI 15
> [ 0.000000] Using ACPI (MADT) for SMP configuration information
> [ 0.000000] ACPI: HPET id: 0x10de8201 base: 0xfeff0000
> [ 0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
> [ 0.000000] PM: Registered nosave memory: 000000000009b000 -
> 000000000009c000
> [ 0.000000] PM: Registered nosave memory: 000000000009c000 -
> 0000000000100000
> [ 0.000000] PM: Registered nosave memory: 0000000076674000 -
> 000000007fef0000
> [ 0.000000] PM: Registered nosave memory: 000000007fef0000 -
> 000000007fef3000
> [ 0.000000] PM: Registered nosave memory: 000000007fef3000 -
> 000000007ff00000
> [ 0.000000] PM: Registered nosave memory: 000000007ff00000 -
> 00000000d0000000
> [ 0.000000] PM: Registered nosave memory: 00000000d0000000 -
> 00000000f0000000
> [ 0.000000] PM: Registered nosave memory: 00000000f0000000 -
> 00000000fec00000
> [ 0.000000] PM: Registered nosave memory: 00000000fec00000 -
> 0000000100000000
> [ 0.000000] Allocating PCI resources starting at 7ff00000 (gap:
> 7ff00000:50100000)
> [ 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:2 nr_node_ids:1
> [ 0.000000] PERCPU: Embedded 30 pages/cpu @ffff88000383a000 s90328 r8192
> d24360 u122880
> [ 0.000000] pcpu-alloc: s90328 r8192 d24360 u122880 alloc=30*4096
> [ 0.000000] pcpu-alloc: [0] 0 [0] 1
> [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total
> pages: 508017
> [ 0.000000] Policy zone: Normal
> [ 0.000000] Kernel command line: placeholder
> root=/dev/mapper/we--ho--srv02-root ro console=ttyS0,9600n8 console=tty0
> [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
> [ 0.000000] Initializing CPU#0
> [ 0.000000] DMA: Placing 64MB software IO TLB between ffff88000387f000 -
> ffff88000787f000
> [ 0.000000] DMA: software IO TLB at phys 0x387f000 - 0x787f000
> [ 0.000000] xen_swiotlb_fixup: buf=ffff88000387f000 size=67108864
> [ 0.000000] xen_swiotlb_fixup: buf=ffff8800078df000 size=32768
> [ 0.000000] Memory: 1827940k/4350448k available (3130k kernel code,
> 2254852k absent, 267656k reserved, 1736k data, 604k init)
> [ 0.000000] SLUB: Genslabs=14, HWalign=64, Order=0-3, MinObjects=0,
> CPUs=2, Nodes=1
> [ 0.000000] Hierarchical RCU implementation.
> [ 0.000000] NR_IRQS:4352 nr_irqs:768
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> [ 0.000000] xen: sci override: source_irq=9 global_irq=9 trigger=c
> polarity=1
> [ 0.000000] xen_allocate_pirq: returning irq 9 for gsi 9
> [ 0.000000] xen: acpi sci 9
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
> [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
> [ 0.000000] Console: colour VGA+ 80x25
> [ 0.000000] console [tty0] enabled
> [ 0.000000] console [ttyS0] enabled
> [ 0.000000] installing Xen timer for CPU 0
> [ 0.000000] Detected 3166.710 MHz processor.
> [ 0.004000] Calibrating delay loop (skipped), value calculated using timer
> frequency.. 6333.42 BogoMIPS (lpj=12666840)
> [ 0.004000] Security Framework initialized
> [ 0.004000] SELinux: Disabled at boot.
> [ 0.004185] Dentry cache hash table entries: 262144 (order: 9, 2097152
> bytes)
> [ 0.008083] Inode-cache hash table entries: 131072 (order: 8, 1048576
> bytes)
> [ 0.012000] Mount-cache hash table entries: 256
> [ 0.012119] Initializing cgroup subsys ns
> [ 0.016000] Initializing cgroup subsys cpuacct
> [ 0.016000] Initializing cgroup subsys devices
> [ 0.016000] Initializing cgroup subsys freezer
> [ 0.016000] Initializing cgroup subsys net_cls
> [ 0.016021] CPU: L1 I cache: 32K, L1 D cache: 32K
> [ 0.020000] CPU: L2 cache: 6144K
> [ 0.020005] CPU 0/0x0 -> Node 0
> [ 0.024003] CPU: Physical Processor ID: 0
> [ 0.028001] CPU: Processor Core ID: 0
> [ 0.028005] mce: CPU supports 6 MCE banks
> [ 0.032015] Performance Events: unsupported p6 CPU model 23 no PMU driver,
> software events only.
> [ 0.036001] SMP alternatives: switching to UP code
> [ 0.036001] ACPI: Core revision 20090903
> [ 0.043617] installing Xen timer for CPU 1
> [ 0.044032] SMP alternatives: switching to SMP code
> [ 0.004000] Initializing CPU#1
> [ 0.004000] CPU: L1 I cache: 32K, L1 D cache: 32K
> [ 0.004000] CPU: L2 cache: 6144K
> [ 0.004000] CPU 1/0x0 -> Node 0
> [ 0.004000] CPU: Physical Processor ID: 0
> [ 0.004000] CPU: Processor Core ID: 1
> [ 0.048092] Brought up 2 CPUs
> [ 0.052030] devtmpfs: initialized
> [ 0.058311] Grant table initialized
> [ 0.060001] regulator: core version 0.5
> [ 0.060038] NET: Registered protocol family 16
> [ 0.064074] ACPI: bus type pci registered
> [ 0.068094] PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 -
> 255
> [ 0.072001] PCI: MCFG area at e0000000 reserved in E820
> [ 0.088811] PCI: Using MMCONFIG at e0000000 - efffffff
> [ 0.092001] PCI: Using configuration type 1 for base access
> [ 0.092300] bio: create slab <bio-0> at 0
> [ 0.097231] ERROR: Unable to locate IOAPIC for GSI 9
> [ 0.108298] ACPI: Interpreter enabled
> [ 0.112001] ACPI: (supports S0 S1 S3 S4 S5)
> [ 0.112001] ACPI: Using IOAPIC for interrupt routing
> [ 0.112092] BUG: unable to handle kernel paging request at ffff8800763328a0
> [ 0.116001] IP: [<ffffffff8100cde8>] xen_set_pte_at+0x8e/0x9a
> [ 0.116001] PGD 1002067 PUD 2ee067 PMD 4a0067 PTE 8010000076332065
> [ 0.116001] Oops: 0003 [#1] SMP
> [ 0.116001] last sysfs file:
> [ 0.116001] CPU 0
> [ 0.116001] Modules linked in:
> [ 0.116001] Pid: 1, comm: swapper Not tainted 2.6.32.32 #3 132-CK-NF78
> [ 0.116001] RIP: e030:[<ffffffff8100cde8>] [<ffffffff8100cde8>]
> xen_set_pte_at+0x8e/0x9a
> [ 0.116001] RSP: e02b:ffff88007635f8d0 EFLAGS: 00010246
> [ 0.116001] RAX: 0000000000000000 RBX: ffff8800763328a0 RCX:
> 80000000fec00473
> [ 0.116001] RDX: 0000000000000000 RSI: 80000000fec00473 RDI:
> ffffc90000314000
> [ 0.116001] RBP: 80000000fec00473 R08: 00003ffffffff000 R09:
> ffff880000000000
> [ 0.116001] R10: 0000000000000010 R11: ffff88000384bd90 R12:
> ffffc90000314000
> [ 0.116001] R13: ffffc90000314000 R14: ffffffff81001c90 R15:
> ffff880076227000
> [ 0.116001] FS: 0000000000000000(0000) GS:ffff88000383a000(0000)
> knlGS:0000000000000000
> [ 0.116001] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 0.116001] CR2: ffff8800763328a0 CR3: 0000000001001000 CR4:
> 0000000000002660
> [ 0.116001] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [ 0.116001] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [ 0.116001] Process swapper (pid: 1, threadinfo ffff88007635e000, task
> ffff880076360000)
> [ 0.116001] Stack:
> [ 0.116001] 0000000000000010 ffff880000000000 00003ffffffff000
> 80000000fec00473
> [ 0.116001] <0> ffffc90000315000 ffffc90000315000 ffff880076228008
> ffffffff8118d100
> [ 0.116001] <0> 00000000fec01000 0000000000000010 0000000000001000
> 0000000000001000
> [ 0.116001] Call Trace:
> [ 0.116001] [<ffffffff8118d100>] ? ioremap_page_range+0x238/0x29c
> [ 0.116001] [<ffffffff81032be3>] ? __ioremap_caller+0x28d/0x2f3
> [ 0.116001] [<ffffffff81308bda>] ? _spin_unlock_irqrestore+0x10/0x11
> [ 0.116001] [<ffffffff811daabe>] ?
> acpi_ex_system_memory_space_handler+0xda/0x1d0
> [ 0.116001] [<ffffffff811da9e4>] ?
> acpi_ex_system_memory_space_handler+0x0/0x1d0
> [ 0.116001] [<ffffffff811d38bc>] ?
> acpi_ev_address_space_dispatch+0x16a/0x1b7
> [ 0.116001] [<ffffffff811d7f3b>] ? acpi_ex_access_region+0x21b/0x228
> [ 0.116001] [<ffffffff811e7a4d>] ?
> acpi_ut_allocate_object_desc_dbg+0x39/0x6f
> [ 0.116001] [<ffffffff8100e6f1>] ? xen_force_evtchn_callback+0x9/0xa
> [ 0.116001] [<ffffffff8100edd2>] ? check_events+0x12/0x20
> [ 0.116001] [<ffffffff811d8217>] ? acpi_ex_field_datum_io+0xf2/0x184
> [ 0.116001] [<ffffffff8100edbf>] ? xen_restore_fl_direct_end+0x0/0x1
> [ 0.116001] [<ffffffff811e7a4d>] ?
> acpi_ut_allocate_object_desc_dbg+0x39/0x6f
> [ 0.116001] [<ffffffff811d8339>] ? acpi_ex_extract_from_field+0x90/0x19b
> [ 0.116001] [<ffffffff811d6c66>] ?
> acpi_ex_read_data_from_field+0x130/0x16e
> [ 0.116001] [<ffffffff811dba31>] ?
> acpi_ex_resolve_node_to_value+0x191/0x220
> [ 0.116001] [<ffffffff8100edbf>] ? xen_restore_fl_direct_end+0x0/0x1
> [ 0.116001] [<ffffffff810e5947>] ? kfree+0xc3/0xc8
> [ 0.116001] [<ffffffff811d76b7>] ? acpi_ex_resolve_to_value+0x20b/0x214
> [ 0.116001] [<ffffffff811d1e57>] ? acpi_ds_evaluate_name_path+0x73/0xed
> [ 0.116001] [<ffffffff811d0ae8>] ? acpi_ds_exec_end_op+0x8e/0x3ce
> [ 0.116001] [<ffffffff811e21e9>] ? acpi_ps_parse_loop+0x7bb/0x94a
> [ 0.116001] [<ffffffff811d13c4>] ? acpi_ds_call_control_method+0x15f/0x1c7
> [ 0.116001] [<ffffffff811e1337>] ? acpi_ps_parse_aml+0x8e/0x2be
> [ 0.116001] [<ffffffff811e29b1>] ? acpi_ps_execute_method+0x1d6/0x2a5
> [ 0.116001] [<ffffffff811de3a9>] ? acpi_ns_evaluate+0xdd/0x19a
> [ 0.116001] [<ffffffff811dde35>] ? acpi_evaluate_object+0xf7/0x1f8
> [ 0.116001] [<ffffffff81502401>] ? acpi_sleep_init+0x17b/0x188
> [ 0.116001] [<ffffffff815026af>] ? acpi_bus_init+0x160/0x1d6
> [ 0.116001] [<ffffffff81502725>] ? acpi_init+0x0/0x125
> [ 0.116001] [<ffffffff8150278e>] ? acpi_init+0x69/0x125
> [ 0.116001] [<ffffffff81502725>] ? acpi_init+0x0/0x125
> [ 0.116001] [<ffffffff8100a064>] ? do_one_initcall+0x63/0x175
> [ 0.116001] [<ffffffff814d9688>] ? kernel_init+0x152/0x1a8
> [ 0.116001] [<ffffffff81012aea>] ? child_rip+0xa/0x20
> [ 0.116001] [<ffffffff81011ca1>] ? int_ret_from_sys_call+0x7/0x1b
> [ 0.116001] [<ffffffff8101245d>] ? retint_restore_args+0x5/0x6
> [ 0.116001] [<ffffffff81012ae0>] ? child_rip+0x0/0x20
> [ 0.116001] Code: 48 c7 40 20 00 00 00 00 48 83 c4 20 5b 5d 41 5c e9 9b fe
> ff ff 4c 89 e7 48 89 ee 31 d2 e8 e1 c3 ff ff 85 c0 74 08 e8 a1 fb 01 00 <48>
> 89 2b 48 83 c4 20 5b 5d 41 5c c3 53 48 c1 ee 0c 48 83 ec 10
> [ 0.116001] RIP [<ffffffff8100cde8>] xen_set_pte_at+0x8e/0x9a
> [ 0.116001] RSP <ffff88007635f8d0>
> [ 0.116001] CR2: ffff8800763328a0
> [ 0.116001] ---[ end trace 93d72a36b9146f22 ]---
> [ 0.116007] Kernel panic - not syncing: Attempted to kill init!
> [ 0.120001] Pid: 1, comm: swapper Tainted: G D 2.6.32.32 #3
> [ 0.120001] Call Trace:
> [ 0.120001] [<ffffffff81306d18>] ? panic+0x78/0x133
> [ 0.120001] [<ffffffff81056978>] ? exit_ptrace+0xa7/0x126
> [ 0.120001] [<ffffffff81050905>] ? do_exit+0x73/0x6c6
> [ 0.120001] [<ffffffff81309a8e>] ? oops_end+0xb1/0xb6
> [ 0.120001] [<ffffffff81032452>] ? no_context+0x1fa/0x207
> [ 0.120001] [<ffffffff810d53fc>] ? __purge_vmap_area_lazy+0x78/0x18a
> [ 0.120001] [<ffffffff81308f85>] ? page_fault+0x25/0x30
> [ 0.120001] [<ffffffff8100cde8>] ? xen_set_pte_at+0x8e/0x9a
> [ 0.120001] [<ffffffff8118d100>] ? ioremap_page_range+0x238/0x29c
> [ 0.120001] [<ffffffff81032be3>] ? __ioremap_caller+0x28d/0x2f3
> [ 0.120001] [<ffffffff81308bda>] ? _spin_unlock_irqrestore+0x10/0x11
> [ 0.120001] [<ffffffff811daabe>] ?
> acpi_ex_system_memory_space_handler+0xda/0x1d0
> [ 0.120001] [<ffffffff811da9e4>] ?
> acpi_ex_system_memory_space_handler+0x0/0x1d0
> [ 0.120001] [<ffffffff811d38bc>] ?
> acpi_ev_address_space_dispatch+0x16a/0x1b7
> [ 0.120001] [<ffffffff811d7f3b>] ? acpi_ex_access_region+0x21b/0x228
> [ 0.120001] [<ffffffff811e7a4d>] ?
> acpi_ut_allocate_object_desc_dbg+0x39/0x6f
> [ 0.120001] [<ffffffff8100e6f1>] ? xen_force_evtchn_callback+0x9/0xa
> [ 0.120001] [<ffffffff8100edd2>] ? check_events+0x12/0x20
> [ 0.120001] [<ffffffff811d8217>] ? acpi_ex_field_datum_io+0xf2/0x184
> [ 0.120001] [<ffffffff8100edbf>] ? xen_restore_fl_direct_end+0x0/0x1
> [ 0.120001] [<ffffffff811e7a4d>] ?
> acpi_ut_allocate_object_desc_dbg+0x39/0x6f
> [ 0.120001] [<ffffffff811d8339>] ? acpi_ex_extract_from_field+0x90/0x19b
> [ 0.120001] [<ffffffff811d6c66>] ?
> acpi_ex_read_data_from_field+0x130/0x16e
> [ 0.120001] [<ffffffff811dba31>] ?
> acpi_ex_resolve_node_to_value+0x191/0x220
> [ 0.120001] [<ffffffff8100edbf>] ? xen_restore_fl_direct_end+0x0/0x1
> [ 0.120001] [<ffffffff810e5947>] ? kfree+0xc3/0xc8
> [ 0.120001] [<ffffffff811d76b7>] ? acpi_ex_resolve_to_value+0x20b/0x214
> [ 0.120001] [<ffffffff811d1e57>] ? acpi_ds_evaluate_name_path+0x73/0xed
> [ 0.120001] [<ffffffff811d0ae8>] ? acpi_ds_exec_end_op+0x8e/0x3ce
> [ 0.120001] [<ffffffff811e21e9>] ? acpi_ps_parse_loop+0x7bb/0x94a
> [ 0.120001] [<ffffffff811d13c4>] ? acpi_ds_call_control_method+0x15f/0x1c7
> [ 0.120001] [<ffffffff811e1337>] ? acpi_ps_parse_aml+0x8e/0x2be
> [ 0.120001] [<ffffffff811e29b1>] ? acpi_ps_execute_method+0x1d6/0x2a5
> [ 0.120001] [<ffffffff811de3a9>] ? acpi_ns_evaluate+0xdd/0x19a
> [ 0.120001] [<ffffffff811dde35>] ? acpi_evaluate_object+0xf7/0x1f8
> [ 0.120001] [<ffffffff81502401>] ? acpi_sleep_init+0x17b/0x188
> [ 0.120001] [<ffffffff815026af>] ? acpi_bus_init+0x160/0x1d6
> [ 0.120001] [<ffffffff81502725>] ? acpi_init+0x0/0x125
> [ 0.120001] [<ffffffff8150278e>] ? acpi_init+0x69/0x125
> [ 0.120001] [<ffffffff81502725>] ? acpi_init+0x0/0x125
> [ 0.120001] [<ffffffff8100a064>] ? do_one_initcall+0x63/0x175
> [ 0.120001] [<ffffffff814d9688>] ? kernel_init+0x152/0x1a8
> [ 0.120001] [<ffffffff81012aea>] ? child_rip+0xa/0x20
> [ 0.120001] [<ffffffff81011ca1>] ? int_ret_from_sys_call+0x7/0x1b
> [ 0.120001] [<ffffffff8101245d>] ? retint_restore_args+0x5/0x6
> [ 0.120001] [<ffffffff81012ae0>] ? child_rip+0x0/0x20
>
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