I got the following crash today: Oct 2 10:30:04 datengrab kernel: ------------[ cut here ]------------ Oct 2 10:30:04 datengrab kernel: WARNING: at fs/btrfs/free-space-cache.c:90 tree_insert_offset+0x74/0xbb [btrfs]() Oct 2 10:30:04 datengrab kernel: Hardware name: To Be Filled By O.E.M. Oct 2 10:30:04 datengrab kernel: Modules linked in: snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss btrfs zlib_deflate crc32c libcrc32c aes_x86_64 aes_generic xts gf128mul dm_crypt snd_emu10k1 snd_rawmidi snd_ac97_codec ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep snd sg sr_mod ohci_hcd ehci_hcd uhci_hcd fglrx(P) Oct 2 10:30:04 datengrab kernel: Pid: 258, comm: pdflush Tainted: P 2.6.31.1 #1 Oct 2 10:30:04 datengrab kernel: Call Trace: Oct 2 10:30:04 datengrab kernel: [<ffffffff8102b511>] ? warn_slowpath_common+0x76/0x8c Oct 2 10:30:04 datengrab kernel: [<ffffffffa0369c42>] ? tree_insert_offset+0x74/0xbb [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa036a0c2>] ? link_free_space+0x3b/0x51 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa036a3c4>] ? btrfs_find_space_for_alloc+0x142/0x157 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0335692>] ? find_free_extent+0x48a/0x705 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffff81183071>] ? radix_tree_gang_lookup_slot+0x6b/0x8f Oct 2 10:30:04 datengrab kernel: [<ffffffffa0335d27>] ? __btrfs_reserve_extent+0x114/0x283 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0335ec3>] ? btrfs_reserve_extent+0x2d/0x54 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0346b99>] ? cow_file_range+0x1a7/0x302 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0347359>] ? run_delalloc_range+0x9e/0x2ed [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035c0b9>] ? find_lock_delalloc_range+0x123/0x178 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035c756>] ? __extent_writepage+0x1d8/0x716 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035ae38>] ? end_bio_extent_writepage+0x0/0x1a2 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffff8118320d>] ? radix_tree_gang_lookup_tag_slot+0x7a/0x9f Oct 2 10:30:04 datengrab kernel: [<ffffffff810525cd>] ? find_get_pages_tag+0x36/0xbe Oct 2 10:30:04 datengrab kernel: [<ffffffffa035cff4>] ? T.607+0x13f/0x287 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa034523d>] ? btrfs_submit_bio_hook+0xd2/0x103 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0345285>] ? __btrfs_submit_bio_start+0x0/0x24 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa034526e>] ? __btrfs_submit_bio_done+0x0/0x17 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035d237>] ? extent_writepages+0x41/0x5a [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0345cfd>] ? btrfs_get_extent+0x0/0x70b [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffff81057ecc>] ? do_writepages+0x20/0x2d Oct 2 10:30:04 datengrab kernel: [<ffffffff8108e61f>] ? writeback_single_inode+0x14c/0x325 Oct 2 10:30:04 datengrab kernel: [<ffffffff8108ebde>] ? generic_sync_sb_inodes+0x286/0x3e7 Oct 2 10:30:04 datengrab kernel: [<ffffffff81026d49>] ? update_curr+0x4e/0xc2 Oct 2 10:30:04 datengrab kernel: [<ffffffff8108ee26>] ? writeback_inodes+0x6d/0xa5 Oct 2 10:30:04 datengrab kernel: [<ffffffff8105897b>] ? pdflush+0x0/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff81058001>] ? wb_kupdate+0x94/0x108 Oct 2 10:30:04 datengrab kernel: [<ffffffff8105897b>] ? pdflush+0x0/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff81058a89>] ? pdflush+0x10e/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff81057f6d>] ? wb_kupdate+0x0/0x108 Oct 2 10:30:04 datengrab kernel: [<ffffffff8103a7e9>] ? kthread+0x81/0x89 Oct 2 10:30:04 datengrab kernel: [<ffffffff8100ba0a>] ? child_rip+0xa/0x20 Oct 2 10:30:04 datengrab kernel: [<ffffffff8105897b>] ? pdflush+0x0/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff8103a768>] ? kthread+0x0/0x89 Oct 2 10:30:04 datengrab kernel: [<ffffffff8100ba00>] ? child_rip+0x0/0x20 Oct 2 10:30:04 datengrab kernel: ---[ end trace ef71307e17570618 ]--- Oct 2 10:30:04 datengrab kernel: ------------[ cut here ]------------ Oct 2 10:30:04 datengrab kernel: WARNING: at fs/btrfs/free-space-cache.c:90 tree_insert_offset+0x74/0xbb [btrfs]() Oct 2 10:30:04 datengrab kernel: Hardware name: To Be Filled By O.E.M. Oct 2 10:30:04 datengrab kernel: Modules linked in: snd_seq_midi snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss btrfs zlib_deflate crc32c libcrc32c aes_x86_64 aes_generic xts gf128mul dm_crypt snd_emu10k1 snd_rawmidi snd_ac97_codec ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep snd sg sr_mod ohci_hcd ehci_hcd uhci_hcd fglrx(P) Oct 2 10:30:04 datengrab kernel: Pid: 258, comm: pdflush Tainted: P W 2.6.31.1 #1 Oct 2 10:30:04 datengrab kernel: Call Trace: Oct 2 10:30:04 datengrab kernel: [<ffffffff8102b511>] ? warn_slowpath_common+0x76/0x8c Oct 2 10:30:04 datengrab kernel: [<ffffffffa0369c42>] ? tree_insert_offset+0x74/0xbb [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa036a0c2>] ? link_free_space+0x3b/0x51 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa036a3c4>] ? btrfs_find_space_for_alloc+0x142/0x157 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0335692>] ? find_free_extent+0x48a/0x705 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffff81183071>] ? radix_tree_gang_lookup_slot+0x6b/0x8f Oct 2 10:30:04 datengrab kernel: [<ffffffffa0335d27>] ? __btrfs_reserve_extent+0x114/0x283 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0335ec3>] ? btrfs_reserve_extent+0x2d/0x54 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0346b99>] ? cow_file_range+0x1a7/0x302 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0347359>] ? run_delalloc_range+0x9e/0x2ed [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035c0b9>] ? find_lock_delalloc_range+0x123/0x178 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035c756>] ? __extent_writepage+0x1d8/0x716 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035ae38>] ? end_bio_extent_writepage+0x0/0x1a2 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffff8118320d>] ? radix_tree_gang_lookup_tag_slot+0x7a/0x9f Oct 2 10:30:04 datengrab kernel: [<ffffffff810525cd>] ? find_get_pages_tag+0x36/0xbe Oct 2 10:30:04 datengrab kernel: [<ffffffffa035cff4>] ? T.607+0x13f/0x287 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0345285>] ? __btrfs_submit_bio_start+0x0/0x24 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa034526e>] ? __btrfs_submit_bio_done+0x0/0x17 [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa035d237>] ? extent_writepages+0x41/0x5a [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffffa0345cfd>] ? btrfs_get_extent+0x0/0x70b [btrfs] Oct 2 10:30:04 datengrab kernel: [<ffffffff81057ecc>] ? do_writepages+0x20/0x2d Oct 2 10:30:04 datengrab kernel: [<ffffffff8108e61f>] ? writeback_single_inode+0x14c/0x325 Oct 2 10:30:04 datengrab kernel: [<ffffffff8108ebde>] ? generic_sync_sb_inodes+0x286/0x3e7 Oct 2 10:30:04 datengrab kernel: [<ffffffff81026d49>] ? update_curr+0x4e/0xc2 Oct 2 10:30:04 datengrab kernel: [<ffffffff8108ee26>] ? writeback_inodes+0x6d/0xa5 Oct 2 10:30:04 datengrab kernel: [<ffffffff8105897b>] ? pdflush+0x0/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff81058001>] ? wb_kupdate+0x94/0x108 Oct 2 10:30:04 datengrab kernel: [<ffffffff8105897b>] ? pdflush+0x0/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff81058a89>] ? pdflush+0x10e/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff81057f6d>] ? wb_kupdate+0x0/0x108 Oct 2 10:30:04 datengrab kernel: [<ffffffff8103a7e9>] ? kthread+0x81/0x89 Oct 2 10:30:04 datengrab kernel: [<ffffffff8100ba0a>] ? child_rip+0xa/0x20 Oct 2 10:30:04 datengrab kernel: [<ffffffff8105897b>] ? pdflush+0x0/0x1c5 Oct 2 10:30:04 datengrab kernel: [<ffffffff8103a768>] ? kthread+0x0/0x89 Oct 2 10:30:04 datengrab kernel: [<ffffffff8100ba00>] ? child_rip+0x0/0x20 Oct 2 10:30:04 datengrab kernel: ---[ end trace ef71307e17570619 ]--- I've had to reboot with magic SysRq key. After that all went fine again. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
