I'm getting the same issue listed above with linux- image-3.19.0-18-generic:amd64
Initially the issue came as described in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1442884/comments/4, but after a reboot, it happens at boot. I'm about to try updating to the newest kernel I found for vivid in http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc2-vivid/ [ 21.246397] ------------[ cut here ]------------ [ 21.246401] kernel BUG at /build/buildd/linux-3.19.0/fs/btrfs/inode.c:3142! [ 21.246404] invalid opcode: 0000 [#1] SMP [ 21.246426] Modules linked in: cfg80211 binfmt_misc snd_hda_codec_analog snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec hp_wmi snd_hwdep snd_pcm sparse_keymap snd_seq_midi snd_seq_midi_event snd_rawmidi kvm snd_seq snd_seq_device snd_timer edac_core k8temp edac_mce_amd serio_raw snd soundcore 8250_fintek shpchp tpm_infineon i2c_piix4 mac_hid nfsd parport_pc auth_rpcgss ppdev lp nfs_acl lockd grace parport sunrpc autofs4 btrfs xor raid6_pq hid_generic usbhid hid amdkfd amd_iommu_v2 radeon tg3 psmouse ptp ahci libahci i2c_algo_bit floppy ttm pps_core drm_kms_helper wmi drm [ 21.246429] CPU: 1 PID: 492 Comm: btrfs-cleaner Not tainted 3.19.0-18-generic #18-Ubuntu [ 21.246430] Hardware name: Hewlett-Packard HP Compaq dc5850 Small Form Factor/3029h, BIOS 786F6 v01.09 04/09/2008 [ 21.246432] task: ffff8800c38244b0 ti: ffff8800c8a00000 task.ti: ffff8800c8a00000 [ 21.246469] RIP: 0010:[<ffffffffc056e970>] [<ffffffffc056e970>] btrfs_orphan_add+0x1c0/0x1e0 [btrfs] [ 21.246470] RSP: 0018:ffff8800c8a03c38 EFLAGS: 00010286 [ 21.246471] RAX: 00000000ffffffe4 RBX: ffff880197227000 RCX: ffff8800c3b1d000 [ 21.246472] RDX: 00000000000002f8 RSI: 0000000000040000 RDI: ffff8800c3b1d138 [ 21.246473] RBP: ffff8800c8a03c78 R08: ffff880034915fc8 R09: ffffffffc053eafa [ 21.246473] R10: ffff88019fc9dc40 R11: ffffea0003234880 R12: ffff880034916438 [ 21.246474] R13: ffff8800c8d1f420 R14: ffff880197227458 R15: 0000000000000001 [ 21.246476] FS: 00007f2f35ebd740(0000) GS:ffff88019fc80000(0000) knlGS:0000000000000000 [ 21.246476] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 21.246477] CR2: 00007f1497f38f50 CR3: 00000000ce316000 CR4: 00000000000007e0 [ 21.246478] Stack: [ 21.246480] ffff8800c8a03c78 ffffffffc05acc8d ffff8800c3b1d000 ffff880197225800 [ 21.246482] ffff8800c8d22f30 ffff880034916438 ffff8800c8249c00 ffff8800ca75c120 [ 21.246483] ffff8800c8a03d08 ffffffffc05582ca ffff8800c8d22f38 ffff8800c8d22fb0 [ 21.246484] Call Trace: [ 21.246506] [<ffffffffc05acc8d>] ? lookup_free_space_inode+0xcd/0xf0 [btrfs] [ 21.246520] [<ffffffffc05582ca>] btrfs_remove_block_group+0x13a/0x760 [btrfs] [ 21.246537] [<ffffffffc0591e4a>] btrfs_remove_chunk+0x63a/0x760 [btrfs] [ 21.246551] [<ffffffffc0558b39>] btrfs_delete_unused_bgs+0x249/0x270 [btrfs] [ 21.246564] [<ffffffffc05610d4>] cleaner_kthread+0x144/0x1a0 [btrfs] [ 21.246578] [<ffffffffc0560f90>] ? check_leaf+0x360/0x360 [btrfs] [ 21.246584] [<ffffffff81094739>] kthread+0xc9/0xe0 [ 21.246586] [<ffffffff81094670>] ? kthread_create_on_node+0x1c0/0x1c0 [ 21.246591] [<ffffffff817c9858>] ret_from_fork+0x58/0x90 [ 21.246593] [<ffffffff81094670>] ? kthread_create_on_node+0x1c0/0x1c0 [ 21.246608] Code: 60 04 00 00 e9 b0 fe ff ff 66 90 89 45 c8 f0 41 80 64 24 80 fd 4c 89 e7 e8 9e 21 fe ff 8b 45 c8 e9 1b ff ff ff 66 0f 1f 44 00 00 <0f> 0b b8 f4 ff ff ff e9 10 ff ff ff 4c 89 f7 45 31 f6 e8 49 aa [ 21.246624] RIP [<ffffffffc056e970>] btrfs_orphan_add+0x1c0/0x1e0 [btrfs] [ 21.246624] RSP <ffff8800c8a03c38> [ 21.246627] ---[ end trace 528979f9b9baf15b ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1413008 Title: Kernel BUG shortly after mounting btrfs filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1413008/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs