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[Bug 1027192] [NEW] brtfs kernel crash in Quetzal kernel 3.5.0.2-generic x86_64

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Public bug reported:

Jul 20 10:34:30 nx6125 kernel: [197491.354821] ------------[ cut here ]------------
Jul 20 10:34:30 nx6125 kernel: [197491.354872] kernel BUG at /build/buildd/linux-3.5.0/fs/btrfs/volumes.c:3745!
Jul 20 10:34:30 nx6125 kernel: [197491.354938] invalid opcode: 0000 [#1] SMP 
Jul 20 10:34:30 nx6125 kernel: [197491.354976] CPU 0 
Jul 20 10:34:30 nx6125 kernel: [197491.355029] Modules linked in: usblp joydev hp_wmi sparse_keymap arc4 snd_atiixp_modem snd_atiixp snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_rawmidi rt2800usb rt2800lib crc_ccitt rt2x00usb snd_seq_midi_event snd_seq rt2x00lib pcmcia snd_timer mac80211 snd_seq_device psmouse tifm_7xx1 tifm_core serio_raw cfg80211 snd k8temp bcma yenta_socket pcmcia_rsrc pcmcia_core edac_core soundcore edac_mce_amd snd_page_alloc i2c_piix4 shpchp bnep rfcomm bluetooth parport_pc ppdev ext2 mac_hid lp parport btrfs zlib_deflate libcrc32c dm_crypt radeon firewire_ohci ttm sdhci_pci sdhci firewire_core crc_itu_t tg3 ssb pata_atiixp drm_kms_helper drm i2c_algo_bit video wmi usb_storage [last unloaded: b43]
Jul 20 10:34:30 nx6125 kernel: [197491.355553] 
Jul 20 10:34:30 nx6125 kernel: [197491.355572] Pid: 30736, comm: btrfs-endio-3 Tainted: G        W    3.5.0-2-generic #2-Ubuntu Hewlett-Packard HP Compaq nx6125 (PZ222UA#ABA)  /308B
Jul 20 10:34:30 nx6125 kernel: [197491.355738] RIP: 0010:[<ffffffffa027aa68>]  [<ffffffffa027aa68>] __btrfs_map_block+0x678/0x690 [btrfs]
Jul 20 10:34:30 nx6125 kernel: [197491.355819] RSP: 0000:ffff88000a53dc70  EFLAGS: 00010286
Jul 20 10:34:30 nx6125 kernel: [197491.355867] RAX: 000000000000001e RBX: 0000000000000000 RCX: 000000000000df9e
Jul 20 10:34:30 nx6125 kernel: [197491.355930] RDX: 000000000000df9e RSI: 0000000000000086 RDI: 0000000000000246
Jul 20 10:34:30 nx6125 kernel: [197491.355992] RBP: ffff88000a53dd10 R08: 000000000000000a R09: 0000000000000000
Jul 20 10:34:30 nx6125 kernel: [197491.356021] R10: 0000000000000000 R11: ffffffff81e04bc0 R12: ffff8800367ae118
Jul 20 10:34:30 nx6125 kernel: [197491.356021] R13: ffff880052943538 R14: ffffea000094e740 R15: ffff88000a53dd20
Jul 20 10:34:30 nx6125 kernel: [197491.356021] FS:  00007f53f371b780(0000) GS:ffff880077c00000(0000) knlGS:0000000000000000
Jul 20 10:34:30 nx6125 kernel: [197491.356021] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jul 20 10:34:30 nx6125 kernel: [197491.356021] CR2: 00007fc8cf38f000 CR3: 000000001ee31000 CR4: 00000000000007f0
Jul 20 10:34:30 nx6125 kernel: [197491.356021] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 20 10:34:30 nx6125 kernel: [197491.356021] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 20 10:34:30 nx6125 kernel: [197491.356021] Process btrfs-endio-3 (pid: 30736, threadinfo ffff88000a53c000, task ffff88003d814500)
Jul 20 10:34:30 nx6125 kernel: [197491.356021] Stack:
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  ffff88006ff37800 0000000000001000 ffff88000a53dce0 ffffffff81667473
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  0000000000000206 ffffffff00000028 ffff88000a53dcf0 ffff88000a53dcb0
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  ffff88002c415875 ffff88000a53dd28 0000000000000000 00000000d3bea78a
Jul 20 10:34:30 nx6125 kernel: [197491.356021] Call Trace:
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff81667473>] ? printk+0x61/0x63
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa027fd2a>] btrfs_find_device_for_logical+0x4a/0xa0 [btrfs]
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa027334e>] end_bio_extent_readpage+0x10e/0x8f0 [btrfs]
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff811b5edd>] bio_endio+0x1d/0x40
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa02482f1>] end_workqueue_fn+0x41/0x50 [btrfs]
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa02816df>] worker_loop+0x15f/0x5a0 [btrfs]
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa0281580>] ? btrfs_queue_worker+0x330/0x330 [btrfs]
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff81075c33>] kthread+0x93/0xa0
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff8167dbe4>] kernel_thread_helper+0x4/0x10
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff81075ba0>] ? flush_kthread_worker+0x80/0x80
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff8167dbe0>] ? gs_change+0x13/0x13
Jul 20 10:34:30 nx6125 kernel: [197491.356021] Code: e6 89 c7 eb a4 0f 0b c7 45 c4 01 00 00 00 31 db e9 08 fd ff ff 0f 0b 49 8b 17 48 89 de 48 c7 c7 68 49 2b a0 31 c0 e8 aa c9 3e e1 <0f> 0b 0f 0b 89 df e9 73 ff ff ff 66 66 66 66 2e 0f 1f 84 00 00 
Jul 20 10:34:30 nx6125 kernel: [197491.356021] RIP  [<ffffffffa027aa68>] __btrfs_map_block+0x678/0x690 [btrfs]
Jul 20 10:34:30 nx6125 kernel: [197491.356021]  RSP <ffff88000a53dc70>
Jul 20 10:34:30 nx6125 kernel: [197491.374311] ---[ end trace b5286213a992ce1f ]---

** Affects: qutim
     Importance: Undecided
         Status: New


** Tags: btrfs kernel quetzal

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https://bugs.launchpad.net/bugs/1027192

Title:
  brtfs kernel crash in Quetzal kernel 3.5.0.2-generic x86_64

Status in Multiplatform instant messenger:
  New

Bug description:
  Jul 20 10:34:30 nx6125 kernel: [197491.354821] ------------[ cut here ]------------
  Jul 20 10:34:30 nx6125 kernel: [197491.354872] kernel BUG at /build/buildd/linux-3.5.0/fs/btrfs/volumes.c:3745!
  Jul 20 10:34:30 nx6125 kernel: [197491.354938] invalid opcode: 0000 [#1] SMP 
  Jul 20 10:34:30 nx6125 kernel: [197491.354976] CPU 0 
  Jul 20 10:34:30 nx6125 kernel: [197491.355029] Modules linked in: usblp joydev hp_wmi sparse_keymap arc4 snd_atiixp_modem snd_atiixp snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_rawmidi rt2800usb rt2800lib crc_ccitt rt2x00usb snd_seq_midi_event snd_seq rt2x00lib pcmcia snd_timer mac80211 snd_seq_device psmouse tifm_7xx1 tifm_core serio_raw cfg80211 snd k8temp bcma yenta_socket pcmcia_rsrc pcmcia_core edac_core soundcore edac_mce_amd snd_page_alloc i2c_piix4 shpchp bnep rfcomm bluetooth parport_pc ppdev ext2 mac_hid lp parport btrfs zlib_deflate libcrc32c dm_crypt radeon firewire_ohci ttm sdhci_pci sdhci firewire_core crc_itu_t tg3 ssb pata_atiixp drm_kms_helper drm i2c_algo_bit video wmi usb_storage [last unloaded: b43]
  Jul 20 10:34:30 nx6125 kernel: [197491.355553] 
  Jul 20 10:34:30 nx6125 kernel: [197491.355572] Pid: 30736, comm: btrfs-endio-3 Tainted: G        W    3.5.0-2-generic #2-Ubuntu Hewlett-Packard HP Compaq nx6125 (PZ222UA#ABA)  /308B
  Jul 20 10:34:30 nx6125 kernel: [197491.355738] RIP: 0010:[<ffffffffa027aa68>]  [<ffffffffa027aa68>] __btrfs_map_block+0x678/0x690 [btrfs]
  Jul 20 10:34:30 nx6125 kernel: [197491.355819] RSP: 0000:ffff88000a53dc70  EFLAGS: 00010286
  Jul 20 10:34:30 nx6125 kernel: [197491.355867] RAX: 000000000000001e RBX: 0000000000000000 RCX: 000000000000df9e
  Jul 20 10:34:30 nx6125 kernel: [197491.355930] RDX: 000000000000df9e RSI: 0000000000000086 RDI: 0000000000000246
  Jul 20 10:34:30 nx6125 kernel: [197491.355992] RBP: ffff88000a53dd10 R08: 000000000000000a R09: 0000000000000000
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] R10: 0000000000000000 R11: ffffffff81e04bc0 R12: ffff8800367ae118
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] R13: ffff880052943538 R14: ffffea000094e740 R15: ffff88000a53dd20
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] FS:  00007f53f371b780(0000) GS:ffff880077c00000(0000) knlGS:0000000000000000
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] CR2: 00007fc8cf38f000 CR3: 000000001ee31000 CR4: 00000000000007f0
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] Process btrfs-endio-3 (pid: 30736, threadinfo ffff88000a53c000, task ffff88003d814500)
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] Stack:
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  ffff88006ff37800 0000000000001000 ffff88000a53dce0 ffffffff81667473
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  0000000000000206 ffffffff00000028 ffff88000a53dcf0 ffff88000a53dcb0
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  ffff88002c415875 ffff88000a53dd28 0000000000000000 00000000d3bea78a
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] Call Trace:
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff81667473>] ? printk+0x61/0x63
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa027fd2a>] btrfs_find_device_for_logical+0x4a/0xa0 [btrfs]
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa027334e>] end_bio_extent_readpage+0x10e/0x8f0 [btrfs]
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff811b5edd>] bio_endio+0x1d/0x40
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa02482f1>] end_workqueue_fn+0x41/0x50 [btrfs]
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa02816df>] worker_loop+0x15f/0x5a0 [btrfs]
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffffa0281580>] ? btrfs_queue_worker+0x330/0x330 [btrfs]
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff81075c33>] kthread+0x93/0xa0
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff8167dbe4>] kernel_thread_helper+0x4/0x10
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff81075ba0>] ? flush_kthread_worker+0x80/0x80
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  [<ffffffff8167dbe0>] ? gs_change+0x13/0x13
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] Code: e6 89 c7 eb a4 0f 0b c7 45 c4 01 00 00 00 31 db e9 08 fd ff ff 0f 0b 49 8b 17 48 89 de 48 c7 c7 68 49 2b a0 31 c0 e8 aa c9 3e e1 <0f> 0b 0f 0b 89 df e9 73 ff ff ff 66 66 66 66 2e 0f 1f 84 00 00 
  Jul 20 10:34:30 nx6125 kernel: [197491.356021] RIP  [<ffffffffa027aa68>] __btrfs_map_block+0x678/0x690 [btrfs]
  Jul 20 10:34:30 nx6125 kernel: [197491.356021]  RSP <ffff88000a53dc70>
  Jul 20 10:34:30 nx6125 kernel: [197491.374311] ---[ end trace b5286213a992ce1f ]---

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