Package: linux-image-2.6.26-2-686 Version: 2.6.26-19lenny2 Hi,
I am, on multiple VMs seeing crashes at the rate of approximately once a week. All of the crashes are in skb_release_all+0x48/0xa0. I managed to get a backtrace: Nov 24 03:55:05 bhuna [233316.039474] BUG: unable to handle kernel Nov 24 03:55:05 bhuna [233316.039474] WARNING: at net/core/skbuff.c:368 skb_release_all+0x48/0xa0() Nov 24 03:55:05 bhuna [233316.039474] Modules linked in: ipv6 quota_v2 netconsole configfs virtio_net snd_pcm snd_timer snd soundcore snd_page_al loc psmouse pcspkr serio_raw button i2c_piix4 i2c_core evdev ext3 jbd mbcache dm_mirror dm_log dm_snapshot dm_mod raid10 raid456 async_xor async_ memcpy async_tx xor raid1 raid0 multipath linear md_mod virtio_blk ide_cd_mod cdrom ata_generic libata scsi_mod dock floppy uhci_hcd virtio_pci p iix ide_pci_generic usbcore ide_core thermal processor fan thermal_sys [last unloaded: scsi_wait_scan] Nov 24 03:55:05 bhuna [233316.039474] Pid: 28778, comm: imap Tainted: G S 2.6.26-2-686 #1 Nov 24 03:55:05 bhuna [233316.039474] [<c01225f3>] warn_on_slowpath+0x40/0x66 Nov 24 03:55:05 bhuna [233316.039474] [<c01e1699>] vsnprintf+0x411/0x452 Nov 24 03:55:05 bhuna [233316.039474] [<c01319a9>] autoremove_wake_function+0xd/0x2d Nov 24 03:55:05 bhuna [233316.039474] [<c01184d1>] __wake_up_common+0x2e/0x58 Nov 24 03:55:05 bhuna [233316.039474] [<c011a6bb>] __wake_up+0x29/0x39 Nov 24 03:55:05 bhuna [233316.039474] [<c0254922>] skb_release_all+0x48/0xa0 Nov 24 03:55:05 bhuna [233316.039474] [<c0254287>] __kfree_skb+0x8/0x61 Nov 24 03:55:05 bhuna [233316.039474] [<f896703b>] free_old_xmit_skbs+0x3b/0x4f [virtio_net] Nov 24 03:55:05 bhuna [233316.039474] [<f8967439>] start_xmit+0x14/0xa5 [virtio_net] Nov 24 03:55:05 bhuna [233316.039474] [<c0263730>] netpoll_send_skb+0xba/0x156 Nov 24 03:55:05 bhuna [233316.039474] [<f897b0b2>] write_msg+0x6d/0xa9 [netconsole] Nov 24 03:55:05 bhuna [233316.039474] [<f897b045>] write_msg+0x0/0xa9 [netconsole] Nov 24 03:55:05 bhuna [233316.039474] [<c012266e>] __call_console_drivers+0x4f/0x5b Nov 24 03:55:05 bhuna [233316.039474] [<c0122a61>] release_console_sem+0x140/0x18c Nov 24 03:55:05 bhuna [233316.039474] [<c0122ed6>] vprintk+0x29d/0x2de Nov 24 03:55:05 bhuna [233316.039474] [<c0122f2b>] printk+0x14/0x18 Nov 24 03:55:05 bhuna [233316.039474] [<c0115d21>] do_page_fault+0x435/0x5c0 Nov 24 03:55:05 bhuna [233316.039474] [<c01e1699>] vsnprintf+0x411/0x452 Nov 24 03:55:05 bhuna [233316.039474] [<c01158ec>] do_page_fault+0x0/0x5c0 Nov 24 03:55:05 bhuna [233316.039474] [<c02b9de2>] error_code+0x72/0x78 Nov 24 03:55:05 bhuna [233316.039474] [<c016a080>] __bounce_end_io_read+0x88/0xd7 Nov 24 03:55:06 bhuna [233316.039474] [<c016a0dc>] bounce_end_io_read+0x0/0xd Nov 24 03:55:06 bhuna [233316.039474] [<c0192d38>] bio_endio+0x26/0x28 Nov 24 03:55:06 bhuna [233316.039474] [<c01d1de3>] __end_that_request_first+0x1b2/0x2c3 Nov 24 03:55:06 bhuna [233316.039474] [<c01d2712>] __blk_end_request+0x16/0x37 Nov 24 03:55:06 bhuna [233316.039474] [<f880a293>] blk_done+0x3d/0x88 [virtio_blk] Nov 24 03:55:06 bhuna [233316.039474] [<c024c6cb>] vring_interrupt+0x23/0x2e Nov 24 03:55:06 bhuna [233316.039474] [<f882f0a6>] vp_interrupt+0x67/0xa4 [virtio_pci] Nov 24 03:55:06 bhuna [233316.039474] [<c01520ea>] handle_IRQ_event+0x23/0x51 Nov 24 03:55:06 bhuna [233316.039474] [<c01531e9>] handle_fasteoi_irq+0x71/0xa4 Nov 24 03:55:06 bhuna [233316.039474] [<c0105f3a>] do_IRQ+0x4d/0x63 Nov 24 03:55:06 bhuna [233316.039474] [<c01042a7>] common_interrupt+0x23/0x28 Nov 24 03:55:06 bhuna [233316.039474] [<c01265e5>] __do_softirq+0x56/0xd3 Nov 24 03:55:06 bhuna [233316.039474] [<c01266a7>] do_softirq+0x45/0x53 Nov 24 03:55:06 bhuna [233316.039474] [<c012695e>] irq_exit+0x35/0x67 Nov 24 03:55:06 bhuna [233316.039474] [<c01101c9>] smp_apic_timer_interrupt+0x6b/0x76 Nov 24 03:55:06 bhuna [233316.039474] [<c0104364>] apic_timer_interrupt+0x28/0x30 Nov 24 03:55:06 bhuna [233316.039474] [<c0115009>] paravirt_leave_lazy+0x1c/0x1d Nov 24 03:55:06 bhuna [233316.039474] [<c0114b44>] kvm_leave_lazy_mmu+0x24/0x31 Nov 24 03:55:06 bhuna [233316.039474] [<c0162a80>] unmap_vmas+0x3f0/0x5ad Nov 24 03:55:06 bhuna [233316.039474] [<c01dffd0>] rb_insert_color+0x4c/0xad Nov 24 03:55:06 bhuna [233316.039474] [<c0165fbb>] vma_adjust+0x310/0x399 Nov 24 03:55:06 bhuna [233316.039474] [<c016587d>] unmap_region+0x83/0xe9 Nov 24 03:55:06 bhuna [233316.039474] [<c016625f>] do_munmap+0x148/0x19b Nov 24 03:55:06 bhuna [233316.039474] [<c01668cf>] mmap_region+0x6f/0x393 Nov 24 03:55:06 bhuna [233316.039474] [<c0166f87>] arch_get_unmapped_area_topdown+0x0/0x120 Nov 24 03:55:07 bhuna [233316.039474] [<c0166f34>] do_mmap_pgoff+0x266/0x2b9 Nov 24 03:55:07 bhuna [233316.039474] [<c0106a4e>] sys_mmap2+0x86/0xa0 Nov 24 03:55:07 bhuna [233316.039474] [<c01038ce>] syscall_call+0x7/0xb Nov 24 03:55:07 bhuna [233316.039474] ======================= Nov 24 03:55:07 bhuna [233316.039474] ---[ end trace 008841ced08c0d44 ]--- Nov 24 03:55:07 bhuna [233316.039474] paging request Nov 24 03:55:07 at fffba000 Nov 24 03:55:07 bhuna [233316.039474] IP: Nov 24 03:55:07 [<c016a080>] __bounce_end_io_read+0x88/0xd7 Nov 24 03:55:07 bhuna [233316.039475] *pde = 00007067 Nov 24 03:55:07 *pte = 00000000 Nov 24 03:55:07 bhuna Nov 24 03:55:07 bhuna [233316.039475] Oops: 0002 [#1] Nov 24 03:55:07 bhuna SMP Nov 24 03:55:07 bhuna Nov 24 03:55:07 bhuna [233316.039475] Modules linked in: Nov 24 03:55:07 ipv6 Nov 24 03:55:07 quota_v2 Nov 24 03:55:07 netconsole Nov 24 03:55:07 configfs Nov 24 03:55:07 virtio_net Nov 24 03:55:07 snd_pcm Nov 24 03:55:07 snd_timer Nov 24 03:55:07 snd Nov 24 03:55:07 soundcore Nov 24 03:55:07 snd_page_alloc Nov 24 03:55:07 psmouse Nov 24 03:55:07 pcspkr Nov 24 03:55:07 serio_raw Nov 24 03:55:07 button Nov 24 03:55:07 i2c_piix4 Nov 24 03:55:07 i2c_core Nov 24 03:55:07 evdev Nov 24 03:55:07 ext3 Nov 24 03:55:07 jbd Nov 24 03:55:07 mbcache Nov 24 03:55:07 dm_mirror Nov 24 03:55:07 dm_log Nov 24 03:55:07 dm_snapshot Nov 24 03:55:07 dm_mod Nov 24 03:55:07 raid10 Nov 24 03:55:07 raid456 Nov 24 03:55:07 async_xor Nov 24 03:55:07 async_memcpy Nov 24 03:55:07 async_tx Nov 24 03:55:07 xor Nov 24 03:55:07 raid1 Nov 24 03:55:07 raid0 Nov 24 03:55:07 multipath Nov 24 03:55:07 linear Nov 24 03:55:07 md_mod Nov 24 03:55:07 virtio_blk Nov 24 03:55:07 ide_cd_mod Nov 24 03:55:07 cdrom Nov 24 03:55:07 ata_generic Nov 24 03:55:07 libata Nov 24 03:55:07 scsi_mod Nov 24 03:55:07 dock Nov 24 03:55:07 floppy Nov 24 03:55:07 uhci_hcd Nov 24 03:55:07 virtio_pci Nov 24 03:55:07 piix Nov 24 03:55:07 ide_pci_generic Nov 24 03:55:07 usbcore Nov 24 03:55:07 ide_core Nov 24 03:55:07 thermal Nov 24 03:55:07 processor Nov 24 03:55:07 fan Nov 24 03:55:07 thermal_sys Nov 24 03:55:07 [last unloaded: scsi_wait_scan] Nov 24 03:55:07 bhuna Nov 24 03:55:07 bhuna [233316.039475] Nov 24 03:55:07 bhuna [233316.039475] Pid: 28778, comm: imap Tainted: G S W (2.6.26-2-686 #1) Nov 24 03:55:07 bhuna [233316.039475] EIP: 0060:[<c016a080>] EFLAGS: 00010086 CPU: 0 Nov 24 03:55:07 bhuna [233316.039475] EIP is at __bounce_end_io_read+0x88/0xd7 Nov 24 03:55:07 bhuna [233316.039475] EAX: fffba000 EBX: 00000086 ECX: 00000400 EDX: 00001000 Nov 24 03:55:07 bhuna [233316.039475] ESI: dcc5e000 EDI: fffba000 EBP: f74a034c ESP: c1c91cd4 Nov 24 03:55:07 bhuna [233316.039475] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Nov 24 03:55:07 bhuna [233316.039475] Process imap (pid: 28778, ti=c1c90000 task=c1cd75e0 task.ti=c1c90000) Nov 24 03:55:07 bhuna Nov 24 03:55:07 bhuna [233316.039475] Stack: Nov 24 03:55:07 bhuna 00000000 Nov 24 03:55:07 bhuna 00000000 Nov 24 03:55:07 bhuna f74dbc00 Nov 24 03:55:07 bhuna decea640 Nov 24 03:55:07 bhuna dcd1eac0 Nov 24 03:55:07 bhuna 00000000 Nov 24 03:55:07 bhuna c016a0dc Nov 24 03:55:07 bhuna decea640 Nov 24 03:55:07 bhuna Nov 24 03:55:07 bhuna [233316.039475] Nov 24 03:55:07 bhuna e27dad70 Nov 24 03:55:07 bhuna 00000000 Nov 24 03:55:07 bhuna c0192d38 Nov 24 03:55:07 bhuna 00004000 Nov 24 03:55:07 bhuna c01d1de3 Nov 24 03:55:07 bhuna 00000000 Nov 24 03:55:07 bhuna 00004000 Nov 24 03:55:07 bhuna 00000000 Nov 24 03:55:07 bhuna Nov 24 03:55:07 bhuna [233316.039475] Nov 24 03:55:08 bhuna 00000000 Nov 24 03:55:08 bhuna 00000000 Nov 24 03:55:08 bhuna 00000000 Nov 24 03:55:08 bhuna 0000000f Nov 24 03:55:08 bhuna e27dad70 Nov 24 03:55:08 bhuna 00000000 Nov 24 03:55:08 bhuna 00000086 Nov 24 03:55:08 bhuna 00000246 Nov 24 03:55:08 bhuna Nov 24 03:55:08 bhuna [233316.039475] Call Trace: Nov 24 03:55:08 bhuna [233316.039475] [<c016a0dc>] Nov 24 03:55:08 bhuna bounce_end_io_read+0x0/0xd Nov 24 03:55:08 bhuna [233316.039475] [<c0192d38>] Nov 24 03:55:08 bhuna bio_endio+0x26/0x28 Nov 24 03:55:08 bhuna [233316.039475] [<c01d1de3>] Nov 24 03:55:08 bhuna __end_that_request_first+0x1b2/0x2c3 Nov 24 03:55:08 bhuna [233316.039475] [<c01d2712>] Nov 24 03:55:08 bhuna __blk_end_request+0x16/0x37 Nov 24 03:55:08 bhuna [233316.039475] [<f880a293>] Nov 24 03:55:08 bhuna blk_done+0x3d/0x88 [virtio_blk] Nov 24 03:55:08 bhuna [233316.039475] [<c024c6cb>] Nov 24 03:55:08 bhuna vring_interrupt+0x23/0x2e Nov 24 03:55:08 bhuna [233316.039475] [<f882f0a6>] Nov 24 03:55:08 bhuna vp_interrupt+0x67/0xa4 [virtio_pci] Nov 24 03:55:08 bhuna [233316.039475] [<c01520ea>] Nov 24 03:55:08 bhuna handle_IRQ_event+0x23/0x51 Nov 24 03:55:08 bhuna [233316.039475] [<c01531e9>] Nov 24 03:55:08 bhuna handle_fasteoi_irq+0x71/0xa4 Nov 24 03:55:08 bhuna [233316.039475] [<c0105f3a>] Nov 24 03:55:08 bhuna do_IRQ+0x4d/0x63 Nov 24 03:55:08 bhuna [233316.039475] [<c01042a7>] Nov 24 03:55:08 bhuna common_interrupt+0x23/0x28 Nov 24 03:55:08 bhuna [233316.039475] [<c01265e5>] Nov 24 03:55:08 bhuna __do_softirq+0x56/0xd3 Nov 24 03:55:08 bhuna [233316.039475] [<c01266a7>] Nov 24 03:55:08 bhuna do_softirq+0x45/0x53 Nov 24 03:55:08 bhuna [233316.039475] [<c012695e>] Nov 24 03:55:08 bhuna irq_exit+0x35/0x67 Nov 24 03:55:08 bhuna [233316.039475] [<c01101c9>] Nov 24 03:55:08 bhuna smp_apic_timer_interrupt+0x6b/0x76 Nov 24 03:55:08 bhuna [233316.039475] [<c0104364>] Nov 24 03:55:08 bhuna apic_timer_interrupt+0x28/0x30 Nov 24 03:55:08 bhuna [233316.039475] [<c0115009>] Nov 24 03:55:08 bhuna paravirt_leave_lazy+0x1c/0x1d Nov 24 03:55:08 bhuna [233316.039475] [<c0114b44>] Nov 24 03:55:08 bhuna kvm_leave_lazy_mmu+0x24/0x31 Nov 24 03:55:08 bhuna [233316.039475] [<c0162a80>] Nov 24 03:55:08 bhuna unmap_vmas+0x3f0/0x5ad Nov 24 03:55:08 bhuna [233316.039475] [<c01dffd0>] Nov 24 03:55:08 bhuna rb_insert_color+0x4c/0xad Nov 24 03:55:08 bhuna [233316.039475] [<c0165fbb>] Nov 24 03:55:08 bhuna vma_adjust+0x310/0x399 Nov 24 03:55:08 bhuna [233316.039475] [<c016587d>] Nov 24 03:55:08 bhuna unmap_region+0x83/0xe9 Nov 24 03:55:08 bhuna [233316.039475] [<c016625f>] Nov 24 03:55:08 bhuna do_munmap+0x148/0x19b Nov 24 03:55:08 bhuna [233316.039475] [<c01668cf>] Nov 24 03:55:08 bhuna mmap_region+0x6f/0x393 Nov 24 03:55:08 bhuna [233316.039475] [<c0166f87>] Nov 24 03:55:09 bhuna arch_get_unmapped_area_topdown+0x0/0x120 Nov 24 03:55:09 bhuna [233316.039475] [<c0166f34>] Nov 24 03:55:09 bhuna do_mmap_pgoff+0x266/0x2b9 Nov 24 03:55:09 bhuna [233316.039475] [<c0106a4e>] Nov 24 03:55:09 bhuna sys_mmap2+0x86/0xa0 Nov 24 03:55:09 bhuna [233316.039475] [<c01038ce>] Nov 24 03:55:09 bhuna syscall_call+0x7/0xb Nov 24 03:55:09 bhuna [233316.039475] ======================= Nov 24 03:55:09 bhuna [233316.039475] Code: Nov 24 03:55:09 bhuna 8d Nov 24 03:55:09 bhuna 04 Nov 24 03:55:09 bhuna 05 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 90 Nov 24 03:55:09 bhuna 89 Nov 24 03:55:09 bhuna c3 Nov 24 03:55:09 bhuna fa Nov 24 03:55:09 bhuna 8d Nov 24 03:55:09 bhuna 04 Nov 24 03:55:09 bhuna 05 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 00 Nov 24 03:55:09 bhuna 90 Nov 24 03:55:09 bhuna 90 Nov 24 03:55:09 bhuna 8b Nov 24 03:55:09 bhuna 45 Nov 24 03:55:09 bhuna f4 Nov 24 03:55:09 bhuna 31 Nov 24 03:55:09 bhuna d2 Nov 24 03:55:09 bhuna e8 Nov 24 03:55:09 bhuna 80 Nov 24 03:55:09 bhuna db Nov 24 03:55:09 bhuna fa Nov 24 03:55:09 bhuna ff Nov 24 03:55:09 bhuna 8b Nov 24 03:55:09 bhuna 55 Nov 24 03:55:09 bhuna f8 Nov 24 03:55:09 bhuna 89 Nov 24 03:55:09 bhuna d1 Nov 24 03:55:09 bhuna c1 Nov 24 03:55:09 bhuna e9 Nov 24 03:55:09 bhuna 02 Nov 24 03:55:09 bhuna 89 Nov 24 03:55:09 bhuna c7 Nov 24 03:55:09 bhuna 03 Nov 24 03:55:09 bhuna 7d Nov 24 03:55:09 bhuna fc Nov 24 03:55:09 bhuna a5 Nov 24 03:55:09 bhuna 89 Nov 24 03:55:09 bhuna d1 Nov 24 03:55:09 bhuna 83 Nov 24 03:55:09 bhuna e1 Nov 24 03:55:09 bhuna 03 Nov 24 03:55:09 bhuna 74 Nov 24 03:55:09 bhuna 02 Nov 24 03:55:09 bhuna f3 Nov 24 03:55:09 bhuna a4 Nov 24 03:55:09 bhuna 31 Nov 24 03:55:09 bhuna d2 Nov 24 03:55:09 bhuna e8 Nov 24 03:55:09 bhuna f4 Nov 24 03:55:09 bhuna db Nov 24 03:55:09 bhuna fa Nov 24 03:55:09 bhuna ff Nov 24 03:55:09 bhuna 89 Nov 24 03:55:09 bhuna d8 Nov 24 03:55:09 bhuna 50 Nov 24 03:55:09 bhuna Nov 24 03:55:09 bhuna [233316.039475] EIP: [<c016a080>] Nov 24 03:55:09 bhuna __bounce_end_io_read+0x88/0xd7 Nov 24 03:55:09 SS: ESP 0068:c1c91cd4 Nov 24 03:55:09 bhuna [233316.039475] Kernel panic - not syncing: Fatal exception in interrupt -- Tollef Fog Heen UNIX is user friendly, it's just picky about who its friends are -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org