Package: linux-image-2.6.26-2-xen-amd64 Version: 2.6.26-17lenny2 Severity: normal
I'm running several servers (Dual Core AMD Opteron, 16G of ram) with Xen. Dom0 is debian lenny adm64. Today I tried to run a large backup in dom0 - copy NFS-mounted partition to a local volume group. buki:~# cd backup/ buki:~/backup# mount homes:/srv/homes src buki:~/backup# mount /dev/vg/homes-backup dst buki:~/backup# (cd src && tar cpf - .) | (cd dst && tar xpf -) This resulted into server crash in a few minutes. Crash is reproducible - if after reboot I try the same, same crash happens soon with similary-looking backtrace. [ 712.450538] ------------[ cut here ]------------ [ 712.450538] kernel BUG at drivers/xen/core/spinlock.c:74! [ 712.450538] invalid opcode: 0000 [1] SMP [ 712.450538] CPU 0 [ 712.450538] Modules linked in: nfs nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs sctp libcrc32c ipv6 lock_dlm gfs2 dlm configfs bridge 8021q dm_emc dm_round_robin dm_multipath loop psmouse pcspkr serio_raw k8temp i2c_amd8111 i2c_amd756 i2c_core button amd_rng rng_core shpchp pci_hotplug evdev reiserfs dm_mirror dm_log dm_snapshot dm_mod raid456 async_xor async_memcpy async_tx xor raid1 md_mod ide_cd_mod cdrom ide_pci_generic sd_mod amd74xx ide_core floppy lpfc scsi_transport_fc scsi_tgt tg3 e100 mii sata_sil ata_generic ohci_hcd libata scsi_mod dock thermal processor fan thermal_sys [ 712.450538] Pid: 5636, comm: tar Not tainted 2.6.26-2-xen-amd64 #1 [ 712.450538] RIP: e030:[<ffffffff8037fa9c>] [<ffffffff8037fa9c>] xen_spin_wait+0x90/0x139 [ 712.450538] RSP: e02b:ffffffff80595e38 EFLAGS: 00010246 [ 712.450538] RAX: ffff88001b1adfd8 RBX: ffff880001bbda20 RCX: ffff88008162e000 [ 712.450538] RDX: ffffffffff5f7000 RSI: 0000000000008483 RDI: 0000000000000000 [ 712.450538] RBP: 0000000000000103 R08: 00000000dc38d979 R09: ffffffffffffffff [ 712.450538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 712.450538] R13: ffff88001fe7f698 R14: ffff88001fe7f698 R15: 0000000000000000 [ 712.450538] FS: 00007f3ef40eb6e0(0000) GS:ffffffff80539000(0000) knlGS:0000000000000000 [ 712.450538] CS: e033 DS: 0000 ES: 0000 [ 712.450538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 712.450538] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 712.450538] Process tar (pid: 5636, threadinfo ffff88001b1ac000, task ffff88001e270280) [ 712.450538] Stack: ffff88001da47480 ffff88001fe7f698 0000000000008483 0000000000000000 [ 712.450538] 0000000000000013 ffffffff80435886 0000000000000000 ffff88001d8f8700 [ 712.450538] 0000000000000000 ffffffffa00854f4 0000000000000000 ffffc2000001ac00 [ 712.450538] Call Trace: [ 712.450538] <IRQ> [<ffffffff80435886>] ? _spin_lock+0x3a/0x42 [ 712.450538] [<ffffffffa00854f4>] ? :sata_sil:sil_interrupt+0x2b/0x275 [ 712.450538] [<ffffffff8025f0e6>] ? handle_IRQ_event+0x47/0x8e [ 712.450538] [<ffffffff802605a2>] ? handle_level_irq+0xae/0x116 [ 712.450538] [<ffffffff8020e13e>] ? do_IRQ+0x4e/0x9a [ 712.450538] [<ffffffff8037d4cc>] ? evtchn_do_upcall+0x13c/0x1fc [ 712.450538] [<ffffffff8020bbde>] ? do_hypervisor_callback+0x1e/0x30 [ 712.450538] <EOI> [<ffffffff802e48d4>] ? dummy_inode_setattr+0x0/0x3 [ 712.450538] [<ffffffff8037cbf9>] ? xen_poll_irq+0x67/0x74 [ 712.450538] [<ffffffff8037fb06>] ? xen_spin_wait+0xfa/0x139 [ 712.450538] [<ffffffff80435cfd>] ? lock_kernel+0x4f/0x63 [ 712.450538] [<ffffffffa01dcd12>] ? :reiserfs:reiserfs_setattr+0x25/0x27d [ 712.450538] [<ffffffff8031156f>] ? __up_read+0x13/0x8a [ 712.450538] [<ffffffffa01f4064>] ? :reiserfs:reiserfs_getxattr+0xa9/0xbe [ 712.450538] [<ffffffff8029e7e3>] ? notify_change+0x174/0x2f5 [ 712.450538] [<ffffffff80288db5>] ? chown_common+0x8c/0xa1 [ 712.450538] [<ffffffff802a1923>] ? mnt_want_write+0x31/0x86 [ 712.450538] [<ffffffff80288f83>] ? sys_chown+0x4b/0x6f [ 712.450538] [<ffffffff8029a9d8>] ? dput+0x35/0x13e [ 712.450538] [<ffffffff802ab10e>] ? sys_futimesat+0x88/0x9e [ 712.450538] [<ffffffff8020b528>] ? system_call+0x68/0x6d [ 712.450538] [<ffffffff8020b4c0>] ? system_call+0x0/0x6d [ 712.450538] [ 712.450538] [ 712.450538] Code: 30 fa 58 80 4c 39 2c 08 75 04 0f 0b eb fe 48 c7 c0 40 fa 58 80 eb 1f 65 48 8b 04 25 10 00 00 00 66 f7 80 44 e0 ff ff 00 ff 75 04 <0f> 0b eb fe 48 c7 c0 30 fa 58 80 48 8d 1c 08 48 83 3b 00 74 04 [ 712.450538] RIP [<ffffffff8037fa9c>] xen_spin_wait+0x90/0x139 [ 712.450538] RSP <ffffffff80595e38> [ 712.450538] ---[ end trace 73e60cdc01c1f34c ]--- [ 712.450538] Kernel panic - not syncing: Aiee, killing interrupt handler! Server info: buki:~# cat /proc/version Linux version 2.6.26-2-xen-amd64 (Debian 2.6.26-17lenny2) (da...@debian.org) (gcc version 4.1.3 20080704 (prerelease) (Debian 4.1.2-25)) #1 SMP Fri Aug 14 10:19:53 UTC 2009 buki:~# cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 280 stepping : 2 cpu MHz : 2391.532 cache size : 1024 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu de tsc msr pae cx8 apic mtrr cmov pat clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow rep_good pni lahf_lm cmp_legacy bogomips : 4785.06 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp processor : 1 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 280 stepping : 2 cpu MHz : 2391.532 cache size : 1024 KB physical id : 0 siblings : 1 core id : 1 cpu cores : 1 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu de tsc msr pae cx8 apic mtrr cmov pat clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow rep_good pni lahf_lm cmp_legacy bogomips : 4785.06 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp processor : 2 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 280 stepping : 2 cpu MHz : 2391.532 cache size : 1024 KB physical id : 1 siblings : 1 core id : 0 cpu cores : 1 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu de tsc msr pae cx8 apic mtrr cmov pat clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow rep_good pni lahf_lm cmp_legacy bogomips : 4785.06 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp processor : 3 vendor_id : AuthenticAMD cpu family : 15 model : 33 model name : Dual Core AMD Opteron(tm) Processor 280 stepping : 2 cpu MHz : 2391.532 cache size : 1024 KB physical id : 1 siblings : 1 core id : 1 cpu cores : 1 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu de tsc msr pae cx8 apic mtrr cmov pat clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext 3dnow rep_good pni lahf_lm cmp_legacy bogomips : 4785.06 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". 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