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Re: Recent update of Xen packages causes kernel panic with HVM domU

On 11/9/2011 10:17 PM, Stan Hoeppner wrote:

On 11/9/2011 7:55 PM, David Howland wrote:

========8<=================
  kernel:[ 1919.981706] general protection fault: 0000 [#1] SMP
  kernel:[ 1919.981714] last sysfs file: /sys/devices/vbd-3-832/uevent
  kernel:[ 1919.981870] Stack:
  kernel:[ 1919.981893] Call Trace:
  kernel:[ 1919.982020] Code: ff 14 25 40 eb 47 81 65 8b 04 25 a8 e3 00
00 48 98 49 8b 94 c4 f0 02 00 00 8b 4a 18 89 4c 24 14 48 8b 1a 48 85 db
74 0c 8b 42 14<48>  8b 04 c3 48 89 02 eb 19 48 8b 4c 24 08 49 89 d0 44
89 ee 83


Where's the call trace?



Here's the full syslog dump:
Nov 9 16:45:32 rackable kernel: [ 1919.981706] general protection fault: 0000 [#1] SMP Nov 9 16:45:32 rackable kernel: [ 1919.981714] last sysfs file: /sys/devices/vbd-3-832/uevent 
Nov  9 16:45:32 rackable kernel: [ 1919.981717] CPU 2
Nov 9 16:45:32 rackable kernel: [ 1919.981720] Modules linked in: tun nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_physdev ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_conservative parport_pc ppdev lp parport nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs xen_evtchn xenfs binfmt_misc bridge stp fuse loop ioatdma radeon ttm drm_kms_helper i2c_i801 drm i2c_algo_bit rng_core pcspkr dca evdev i2c_core i5000_edac edac_core i5k_amb psmouse serio_raw processor button acpi_processor shpchp pci_hotplug ext3 jbd mbcache dm_mod sd_mod crc_t10dif uhci_hcd ata_generic ata_piix ehci_hcd libata scsi_mod usbcore nls_base e1000e thermal thermal_sys [last unloaded: scsi_wait_scan] Nov 9 16:45:32 rackable kernel: [ 1919.981816] Pid: 24, comm: xenwatch Not tainted 2.6.32-5-xen-amd64 #1 S5000PSL Nov 9 16:45:32 rackable kernel: [ 1919.981819] RIP: e030:[<ffffffff810e8a40>] [<ffffffff810e8a40>] __kmalloc_track_caller+0xcd/0x13c Nov 9 16:45:32 rackable kernel: [ 1919.981829] RSP: e02b:ffff8803ea52bb10 EFLAGS: 00010002 Nov 9 16:45:32 rackable kernel: [ 1919.981832] RAX: 0000000000000000 RBX: 331474c384d0f7d9 RCX: 0000000000000008 Nov 9 16:45:32 rackable kernel: [ 1919.981835] RDX: ffff880013216090 RSI: 00000000000000d0 RDI: 0000000000000003 Nov 9 16:45:32 rackable kernel: [ 1919.981838] RBP: 0000000000000200 R08: 00000000000080d0 R09: ffff8803ea52bdd7 Nov 9 16:45:32 rackable kernel: [ 1919.981841] R10: 0000000000000000 R11: 00000000000186a0 R12: ffffffff8146bf10 Nov 9 16:45:32 rackable kernel: [ 1919.981843] R13: 00000000000000d0 R14: 00000000000000d0 R15: 0000000000000008 Nov 9 16:45:32 rackable kernel: [ 1919.981851] FS: 00007fbc8fe9d700(0000) GS:ffff880013204000(0000) knlGS:0000000000000000 Nov 9 16:45:32 rackable kernel: [ 1919.981854] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Nov 9 16:45:32 rackable kernel: [ 1919.981857] CR2: 00007fbc8f747000 CR3: 000000030f11a000 CR4: 0000000000002660 Nov 9 16:45:32 rackable kernel: [ 1919.981861] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Nov 9 16:45:32 rackable kernel: [ 1919.981864] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Nov 9 16:45:32 rackable kernel: [ 1919.981868] Process xenwatch (pid: 24, threadinfo ffff8803ea52a000, task ffff8803ea4f3880) 
Nov  9 16:45:32 rackable kernel: [ 1919.981870] Stack:
Nov 9 16:45:32 rackable kernel: [ 1919.981872] ffff8803ea4f3880 ffffffff81141305 0000000881044ced 0000000000000008 Nov 9 16:45:32 rackable kernel: [ 1919.981878] <0> ffff880300000000 ffff880300000000 0000000000000001 ffff8803ea52bc28 Nov 9 16:45:32 rackable kernel: [ 1919.981885] <0> 00000000000041ed ffffffff810c846f 0000000000000004 0000000000000000 
Nov  9 16:45:32 rackable kernel: [ 1919.981893] Call Trace:
Nov 9 16:45:32 rackable kernel: [ 1919.981900] [<ffffffff81141305>] ? sysfs_new_dirent+0x2a/0xf7 Nov 9 16:45:32 rackable kernel: [ 1919.981906] [<ffffffff810c846f>] ? kstrdup+0x2b/0x40 Nov 9 16:45:32 rackable kernel: [ 1919.981910] [<ffffffff81141305>] ? sysfs_new_dirent+0x2a/0xf7 Nov 9 16:45:32 rackable kernel: [ 1919.981914] [<ffffffff8114177d>] ? create_dir+0x2d/0x7c Nov 9 16:45:32 rackable kernel: [ 1919.981918] [<ffffffff81141801>] ? sysfs_create_dir+0x35/0x4a Nov 9 16:45:32 rackable kernel: [ 1919.981924] [<ffffffff81190767>] ? kobject_get+0x12/0x17 Nov 9 16:45:32 rackable kernel: [ 1919.981928] [<ffffffff8119089d>] ? kobject_add_internal+0xcb/0x181 Nov 9 16:45:32 rackable kernel: [ 1919.981932] [<ffffffff81190aff>] ? kobject_add+0x74/0x7c Nov 9 16:45:32 rackable kernel: [ 1919.981943] [<ffffffff8100e635>] ? xen_force_evtchn_callback+0x9/0xa Nov 9 16:45:32 rackable kernel: [ 1919.981948] [<ffffffff8100ecf2>] ? check_events+0x12/0x20 Nov 9 16:45:32 rackable kernel: [ 1919.981952] [<ffffffff810e9201>] ? __kmalloc+0x12f/0x141 Nov 9 16:45:32 rackable kernel: [ 1919.981958] [<ffffffff8122e60c>] ? device_private_init+0x13/0x45 Nov 9 16:45:32 rackable kernel: [ 1919.981963] [<ffffffff8122eaae>] ? device_add+0xce/0x537 Nov 9 16:45:32 rackable kernel: [ 1919.981969] [<ffffffff811f7672>] ? backend_bus_id+0x10f/0x132 Nov 9 16:45:32 rackable kernel: [ 1919.981973] [<ffffffff811f6d5b>] ? xenbus_probe_node+0x13b/0x1d4 Nov 9 16:45:32 rackable kernel: [ 1919.981977] [<ffffffff811f6f9b>] ? cmp_dev+0x0/0x39 Nov 9 16:45:32 rackable kernel: [ 1919.981981] [<ffffffff811f6f6a>] ? xenbus_dev_changed+0x176/0x1a7 Nov 9 16:45:32 rackable kernel: [ 1919.981986] [<ffffffff811f59b5>] ? xenwatch_thread+0x117/0x14a Nov 9 16:45:32 rackable kernel: [ 1919.981992] [<ffffffff81065f86>] ? autoremove_wake_function+0x0/0x2e Nov 9 16:45:32 rackable kernel: [ 1919.981996] [<ffffffff811f589e>] ? xenwatch_thread+0x0/0x14a Nov 9 16:45:32 rackable kernel: [ 1919.982000] [<ffffffff81065cb9>] ? kthread+0x79/0x81 Nov 9 16:45:32 rackable kernel: [ 1919.982005] [<ffffffff81012baa>] ? child_rip+0xa/0x20 Nov 9 16:45:32 rackable kernel: [ 1919.982009] [<ffffffff81011d61>] ? int_ret_from_sys_call+0x7/0x1b Nov 9 16:45:32 rackable kernel: [ 1919.982014] [<ffffffff8101251d>] ? retint_restore_args+0x5/0x6 Nov 9 16:45:32 rackable kernel: [ 1919.982018] [<ffffffff81012ba0>] ? child_rip+0x0/0x20 Nov 9 16:45:32 rackable kernel: [ 1919.982020] Code: ff 14 25 40 eb 47 81 65 8b 04 25 a8 e3 00 00 48 98 49 8b 94 c4 f0 02 00 00 8b 4a 18 89 4c 24 14 48 8b 1a 48 85 db 74 0c 8b 42 14 <48> 8b 04 c3 48 89 02 eb 19 48 8b 4c 24 08 49 89 d0 44 89 ee 83 Nov 9 16:45:32 rackable kernel: [ 1919.982087] RIP [<ffffffff810e8a40>] __kmalloc_track_caller+0xcd/0x13c 
Nov  9 16:45:32 rackable kernel: [ 1919.982092]  RSP <ffff8803ea52bb10>
Nov 9 16:45:32 rackable kernel: [ 1919.982099] ---[ end trace 7fc2e686a4634c28 ]--- Nov 9 16:45:32 rackable kernel: [ 1920.014542] general protection fault: 0000 [#2] SMP Nov 9 16:45:32 rackable kernel: [ 1920.014550] last sysfs file: /sys/devices/vbd-3-832/uevent 
Nov  9 16:45:32 rackable kernel: [ 1920.014553] CPU 2
Nov 9 16:45:32 rackable kernel: [ 1920.014556] Modules linked in: tun nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_physdev ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_conservative parport_pc ppdev lp parport nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs xen_evtchn xenfs binfmt_misc bridge stp fuse loop ioatdma radeon ttm drm_kms_helper i2c_i801 drm i2c_algo_bit rng_core pcspkr dca evdev i2c_core i5000_edac edac_core i5k_amb psmouse serio_raw processor button acpi_processor shpchp pci_hotplug ext3 jbd mbcache dm_mod sd_mod crc_t10dif uhci_hcd ata_generic ata_piix ehci_hcd libata scsi_mod usbcore nls_base e1000e thermal thermal_sys [last unloaded: scsi_wait_scan] Nov 9 16:45:32 rackable kernel: [ 1920.014662] Pid: 3767, comm: qemu-dm Tainted: G D 2.6.32-5-xen-amd64 #1 S5000PSL Nov 9 16:45:32 rackable kernel: [ 1920.014665] RIP: e030:[<ffffffff810e91a4>] [<ffffffff810e91a4>] __kmalloc+0xd2/0x141 Nov 9 16:45:32 rackable kernel: [ 1920.014678] RSP: e02b:ffff880387f61c28 EFLAGS: 00010002 Nov 9 16:45:32 rackable kernel: [ 1920.014683] RAX: 0000000000000000 RBX: 331474c384d0f7d9 RCX: 0000000000000008 Nov 9 16:45:32 rackable kernel: [ 1920.014686] RDX: ffff880013216090 RSI: 00000000000000d0 RDI: ffffffff811981fd Nov 9 16:45:32 rackable kernel: [ 1920.014691] RBP: 0000000000000200 R08: 0000000000000002 R09: ffffffff813b6095 Nov 9 16:45:32 rackable kernel: [ 1920.014694] R10: 00000000544b6766 R11: 000000008ac00d40 R12: ffffffff8146bf10 Nov 9 16:45:32 rackable kernel: [ 1920.014698] R13: 00000000000000d0 R14: 00000000000000d0 R15: 0000000000000007 Nov 9 16:45:32 rackable kernel: [ 1920.014707] FS: 00007f304571b760(0000) GS:ffff880013204000(0000) knlGS:0000000000000000 Nov 9 16:45:32 rackable kernel: [ 1920.014711] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Nov 9 16:45:32 rackable kernel: [ 1920.014715] CR2: 00000000005041f7 CR3: 00000002cbfcd000 CR4: 0000000000002660 Nov 9 16:45:32 rackable kernel: [ 1920.014719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Nov 9 16:45:32 rackable kernel: [ 1920.014724] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Nov 9 16:45:32 rackable kernel: [ 1920.014727] Process qemu-dm (pid: 3767, threadinfo ffff880387f60000, task ffff88030f2cf100) 
Nov  9 16:45:32 rackable kernel: [ 1920.014729] Stack:
Nov 9 16:45:32 rackable kernel: [ 1920.014731] ffffffffffffffff ffffffff811981fd 0000000800000000 00000000000000d0 Nov 9 16:45:32 rackable kernel: [ 1920.014737] <0> ffff880387f61cf8 0000000000000007 ffffffff813b6095 0000000000000000 Nov 9 16:45:32 rackable kernel: [ 1920.014744] <0> 00007fffdb5b5230 ffffffff811981fd 0000000000000000 0000000000000000 
Nov  9 16:45:32 rackable kernel: [ 1920.014752] Call Trace:
Nov 9 16:45:32 rackable kernel: [ 1920.014759] [<ffffffff811981fd>] ? kvasprintf+0x41/0x68 Nov 9 16:45:32 rackable kernel: [ 1920.014765] [<ffffffff811981fd>] ? kvasprintf+0x41/0x68 Nov 9 16:45:32 rackable kernel: [ 1920.014770] [<ffffffff811909af>] ? kobject_set_name_vargs+0x22/0x56 Nov 9 16:45:32 rackable kernel: [ 1920.014776] [<ffffffff8122e010>] ? dev_set_name+0x4d/0x55 Nov 9 16:45:32 rackable kernel: [ 1920.014783] [<ffffffff8130d64a>] ? _spin_unlock_irqrestore+0xd/0xe Nov 9 16:45:32 rackable kernel: [ 1920.014788] [<ffffffff812070d6>] ? extract_entropy+0x6a/0x125 Nov 9 16:45:32 rackable kernel: [ 1920.014793] [<ffffffff81254696>] ? sk_prot_alloc+0x79/0x12f Nov 9 16:45:32 rackable kernel: [ 1920.014798] [<ffffffff8126c525>] ? netdev_register_kobject+0x44/0x6d Nov 9 16:45:32 rackable kernel: [ 1920.014803] [<ffffffff81262708>] ? register_netdevice+0x1ed/0x285 Nov 9 16:45:32 rackable kernel: [ 1920.014809] [<ffffffffa0418c60>] ? tun_chr_ioctl+0x36d/0x90a [tun] Nov 9 16:45:32 rackable kernel: [ 1920.014816] [<ffffffff810fbbc2>] ? vfs_ioctl+0x21/0x6c Nov 9 16:45:32 rackable kernel: [ 1920.014820] [<ffffffff810fc110>] ? do_vfs_ioctl+0x48d/0x4cb Nov 9 16:45:32 rackable kernel: [ 1920.014824] [<ffffffff810ee49e>] ? do_sys_open+0xec/0xfc Nov 9 16:45:32 rackable kernel: [ 1920.014828] [<ffffffff810fc19f>] ? sys_ioctl+0x51/0x70 Nov 9 16:45:32 rackable kernel: [ 1920.014834] [<ffffffff81011b42>] ? system_call_fastpath+0x16/0x1b Nov 9 16:45:32 rackable kernel: [ 1920.014836] Code: ff 14 25 40 eb 47 81 65 8b 04 25 a8 e3 00 00 48 98 49 8b 94 c4 f0 02 00 00 8b 4a 18 89 4c 24 14 48 8b 1a 48 85 db 74 0c 8b 42 14 <48> 8b 04 c3 48 89 02 eb 19 48 8b 4c 24 08 49 89 d0 44 89 ee 83 Nov 9 16:45:32 rackable kernel: [ 1920.014903] RIP [<ffffffff810e91a4>] __kmalloc+0xd2/0x141 
Nov  9 16:45:32 rackable kernel: [ 1920.014908]  RSP <ffff880387f61c28>
Nov 9 16:45:32 rackable kernel: [ 1920.014912] ---[ end trace 7fc2e686a4634c29 ]---
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