Another oops [ 1081.024942] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1081.026187] IP: [<ffffffffa005a56f>] extent_buffer_uptodate+0xaf/0x110 [btrfs] [ 1081.027433] PGD 1858b1067 PUD 1ccee5067 PMD 0 [ 1081.028671] Oops: 0000 [#1] SMP [ 1081.029903] CPU 0 [ 1081.029910] Modules linked in: configfs kvm_intel kvm bnep rfcomm bluetooth parport_pc ppdev i915 drm_kms_helper drm i2c_algo_bit eeepc_wmi asus_wmi mac_hid sparse_keymap wmi snd_hda_codec_via snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device serio_raw snd mei(C) video soundcore snd_page_alloc lp parport usb_storage usbhid hid e1000e btrfs zlib_deflate libcrc32c [ 1081.035085] [ 1081.036369] Pid: 1648, comm: mlnet Tainted: G C 3.2.0-40-generic #64-Ubuntu System manufacturer System Product Name/P8H61-M LX3 R2.0 [ 1081.037681] RIP: 0010:[<ffffffffa005a56f>] [<ffffffffa005a56f>] extent_buffer_uptodate+0xaf/0x110 [btrfs] [ 1081.038989] RSP: 0018:ffff8801cee976f8 EFLAGS: 00010212 [ 1081.040274] RAX: 0000000000000000 RBX: ffff8801927f8000 RCX: 0000000000000003 [ 1081.041569] RDX: 0000000000000000 RSI: 00000000000fbff0 RDI: 0000000000000003 [ 1081.042868] RBP: ffff8801cee97718 R08: ffff88020b33d3f8 R09: 0000000000000000 [ 1081.044165] R10: ffff880000000000 R11: 0000000000000001 R12: 0000000000000001 [ 1081.045469] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000007982000 [ 1081.046757] FS: 00007f34a88d9740(0000) GS:ffff88021fa00000(0000) knlGS:0000000000000000 [ 1081.048047] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1081.049315] CR2: 0000000000000000 CR3: 00000001b188c000 CR4: 00000000000406f0 [ 1081.050574] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1081.051813] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1081.053027] Process mlnet (pid: 1648, threadinfo ffff8801cee96000, task ffff8801c5b05c00) [ 1081.054231] Stack: [ 1081.055409] ffff8801cee97748 ffff8801927f8000 ffff88020b12e1f0 0000000000000000 [ 1081.056603] ffff8801cee97748 ffffffffa00361be ffff8801cee97810 ffff88020e640800 [ 1081.057776] ffff88020feed090 0000000000001000 ffff8801cee977b8 ffffffffa001c0ef [ 1081.058936] Call Trace: [ 1081.060080] [<ffffffffa00361be>] btrfs_buffer_uptodate+0x3e/0x70 [btrfs] [ 1081.061212] [<ffffffffa001c0ef>] read_block_for_search.isra.34+0x9f/0x200 [btrfs] [ 1081.062352] [<ffffffffa001e129>] btrfs_search_slot+0x239/0x710 [btrfs] [ 1081.063498] [<ffffffffa0023c2b>] lookup_inline_extent_backref+0x8b/0x460 [btrfs] [ 1081.064650] [<ffffffffa0024060>] lookup_extent_backref+0x60/0xf0 [btrfs] [ 1081.065809] [<ffffffffa0025a2f>] __btrfs_free_extent+0xbf/0x650 [btrfs] [ 1081.066959] [<ffffffff8164a461>] ? __slab_free+0x1d2/0x2f3 [ 1081.068106] [<ffffffffa00260d4>] run_delayed_tree_ref+0x114/0x1a0 [btrfs] [ 1081.069255] [<ffffffffa0029d3e>] run_one_delayed_ref+0xae/0xf0 [btrfs] [ 1081.070385] [<ffffffffa0029e54>] run_clustered_refs+0xd4/0x240 [btrfs] [ 1081.071498] [<ffffffffa002a08a>] btrfs_run_delayed_refs+0xca/0x220 [btrfs] [ 1081.072596] [<ffffffff8165e49e>] ? _raw_spin_lock+0xe/0x20 [ 1081.073690] [<ffffffffa003a9fe>] __btrfs_end_transaction+0xbe/0x310 [btrfs] [ 1081.074773] [<ffffffffa003aca8>] btrfs_end_transaction_throttle+0x18/0x20 [btrfs] [ 1081.075843] [<ffffffffa00466cd>] btrfs_rename+0x1ed/0x620 [btrfs] [ 1081.076902] [<ffffffff81185f02>] ? complete_walk+0x92/0x120 [ 1081.077954] [<ffffffff81185e1e>] vfs_rename_other+0xde/0x130 [ 1081.079003] [<ffffffff81186d5b>] vfs_rename+0xbb/0x240 [ 1081.080049] [<ffffffff81185051>] ? __lookup_hash.part.28+0x31/0xe0 [ 1081.081087] [<ffffffff8118530a>] ? inode_permission+0x4a/0x110 [ 1081.082118] [<ffffffff8118a008>] sys_renameat+0x218/0x240 [ 1081.083136] [<ffffffff8116393f>] ? kmem_cache_free+0x2f/0x110 [ 1081.084140] [<ffffffff8165e49e>] ? _raw_spin_lock+0xe/0x20 [ 1081.085135] [<ffffffff8119715e>] ? vfsmount_lock_local_unlock+0x1e/0x30 [ 1081.086119] [<ffffffff8119904f>] ? mntput+0x1f/0x30 [ 1081.087086] [<ffffffff8117ae65>] ? fput+0x25/0x30 [ 1081.088048] [<ffffffff81177a06>] ? filp_close+0x66/0x90 [ 1081.089012] [<ffffffff8118a04b>] sys_rename+0x1b/0x20 [ 1081.089979] [<ffffffff81666a82>] system_call_fastpath+0x16/0x1b [ 1081.090941] Code: 1f 44 00 00 4d 85 e4 74 73 48 8b 43 20 48 8b 33 48 8b 78 08 31 c0 48 85 ff 74 10 48 c1 ee 0c 48 83 c7 08 4c 01 e6 e8 61 83 2b e1 <48> 8b 00 a8 08 74 3a 49 83 c4 01 4d 39 ec 75 c9 b8 01 00 00 00 [ 1081.093131] RIP [<ffffffffa005a56f>] extent_buffer_uptodate+0xaf/0x110 [btrfs] [ 1081.094178] RSP <ffff8801cee976f8> [ 1081.095205] CR2: 0000000000000000 [ 1081.096237] ---[ end trace 7b2f79f71493cc11 ]---
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1166620 Title: kernel crash at login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1166620/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
