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nightly btrfs kernel warning btrfs_destroy_inode what to do?
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olli.bo
Apprentice
Apprentice


Joined: 16 Jul 2003
Posts: 202
Location: Germany

PostPosted: Wed Nov 14, 2018 9:08 am    Post subject: nightly btrfs kernel warning btrfs_destroy_inode what to do? Reply with quote

Hi,

every night exact at the same time I'm getting the following kernel warn:

Code:
kern  :warn  : [Wed Nov 14 01:59:50 2018] WARNING: CPU: 1 PID: 8151 at fs/btrfs/inode.c:9223 btrfs_destroy_inode+0x38/0x1b7
kern  :warn  : [Wed Nov 14 01:59:50 2018] CPU: 1 PID: 8151 Comm: btrfs Tainted: G        W         4.19.0-gentoo #3
kern  :warn  : [Wed Nov 14 01:59:50 2018] Hardware name: LENOVO 43512Z4/LENOVO, BIOS A2KT64AUS 03/14/2018
kern  :warn  : [Wed Nov 14 01:59:50 2018] RIP: 0010:btrfs_destroy_inode+0x38/0x1b7
kern  :warn  : [Wed Nov 14 01:59:50 2018] Code: 01 00 00 48 89 fb 48 8b 87 e8 fd ff ff 48 85 d2 74 02 0f 0b 48 83 bb c0 01 00 00 00 74 02 0f 0b 48 83 bb 78 ff ff ff 00 74 02 <0f> 0b 48 83 bb 70 ff ff ff 00 74 02 0f 0b 83 bb 6c ff ff ff 00 74
kern  :warn  : [Wed Nov 14 01:59:50 2018] RSP: 0018:ffffc90004d8fc48 EFLAGS: 00010206
kern  :warn  : [Wed Nov 14 01:59:50 2018] RAX: ffff8807d0e36800 RBX: ffff881986263b58 RCX: 0000000000000001
kern  :warn  : [Wed Nov 14 01:59:50 2018] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff881986263b58
kern  :warn  : [Wed Nov 14 01:59:50 2018] RBP: ffff8807d0e36800 R08: ffffffff82206390 R09: ffffc90004d8fad0
kern  :warn  : [Wed Nov 14 01:59:50 2018] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
kern  :warn  : [Wed Nov 14 01:59:50 2018] R13: fffffffffffffff5 R14: ffff8807d0e36bd4 R15: ffff881986263b58
kern  :warn  : [Wed Nov 14 01:59:50 2018] FS:  00007f85523ae8c0(0000) GS:ffff881c0fa80000(0000) knlGS:0000000000000000
kern  :warn  : [Wed Nov 14 01:59:50 2018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kern  :warn  : [Wed Nov 14 01:59:50 2018] CR2: 00007fd4c1a66161 CR3: 00000015c052c001 CR4: 00000000000606e0
kern  :warn  : [Wed Nov 14 01:59:50 2018] Call Trace:
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_delete_subvolume+0x4a8/0x529
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_ioctl_snap_destroy+0x284/0x2e1
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_ioctl+0x80a/0x278e
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? mem_cgroup_commit_charge+0x80/0xd4
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? mem_cgroup_throttle_swaprate+0x1a/0xe8
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? __handle_mm_fault+0x4d9/0xa0b
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? vfs_ioctl+0x19/0x26
kern  :warn  : [Wed Nov 14 01:59:50 2018]  vfs_ioctl+0x19/0x26
kern  :warn  : [Wed Nov 14 01:59:50 2018]  do_vfs_ioctl+0x517/0x53f
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? handle_mm_fault+0x14d/0x19c
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ksys_ioctl+0x39/0x58
kern  :warn  : [Wed Nov 14 01:59:50 2018]  __x64_sys_ioctl+0x11/0x14
kern  :warn  : [Wed Nov 14 01:59:50 2018]  do_syscall_64+0x4f/0xd8
kern  :warn  : [Wed Nov 14 01:59:50 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
kern  :warn  : [Wed Nov 14 01:59:50 2018] RIP: 0033:0x7f85511b0a37
kern  :warn  : [Wed Nov 14 01:59:50 2018] Code: 00 00 00 75 0c 48 c7 c0 ff ff ff ff 48 83 c4 18 c3 e8 0d e1 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 21 c4 2c 00 f7 d8 64 89 01 48
kern  :warn  : [Wed Nov 14 01:59:50 2018] RSP: 002b:00007ffcccd25318 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
kern  :warn  : [Wed Nov 14 01:59:50 2018] RAX: ffffffffffffffda RBX: 00007ffcccd25360 RCX: 00007f85511b0a37
kern  :warn  : [Wed Nov 14 01:59:50 2018] RDX: 00007ffcccd25360 RSI: 000000005000940f RDI: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] RBP: 000056323e79b2bd R08: 000000000000ff00 R09: 000056323e79b2bd
kern  :warn  : [Wed Nov 14 01:59:50 2018] R10: 0000000000000573 R11: 0000000000000206 R12: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] R13: 000000000000001b R14: 0000000000000001 R15: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] ---[ end trace 0c680d74f60216ca ]---
kern  :warn  : [Wed Nov 14 01:59:50 2018] WARNING: CPU: 1 PID: 8151 at fs/btrfs/inode.c:9224 btrfs_destroy_inode+0x44/0x1b7
kern  :warn  : [Wed Nov 14 01:59:50 2018] CPU: 1 PID: 8151 Comm: btrfs Tainted: G        W         4.19.0-gentoo #3
kern  :warn  : [Wed Nov 14 01:59:50 2018] Hardware name: LENOVO 43512Z4/LENOVO, BIOS A2KT64AUS 03/14/2018
kern  :warn  : [Wed Nov 14 01:59:50 2018] RIP: 0010:btrfs_destroy_inode+0x44/0x1b7
kern  :warn  : [Wed Nov 14 01:59:50 2018] Code: ff 48 85 d2 74 02 0f 0b 48 83 bb c0 01 00 00 00 74 02 0f 0b 48 83 bb 78 ff ff ff 00 74 02 0f 0b 48 83 bb 70 ff ff ff 00 74 02 <0f> 0b 83 bb 6c ff ff ff 00 74 02 0f 0b 48 83 bb 28 ff ff ff 00 74
kern  :warn  : [Wed Nov 14 01:59:50 2018] RSP: 0018:ffffc90004d8fc48 EFLAGS: 00010206
kern  :warn  : [Wed Nov 14 01:59:50 2018] RAX: ffff8807d0e36800 RBX: ffff881986263b58 RCX: 0000000000000001
kern  :warn  : [Wed Nov 14 01:59:50 2018] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff881986263b58
kern  :warn  : [Wed Nov 14 01:59:50 2018] RBP: ffff8807d0e36800 R08: ffffffff82206390 R09: ffffc90004d8fad0
kern  :warn  : [Wed Nov 14 01:59:50 2018] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
kern  :warn  : [Wed Nov 14 01:59:50 2018] R13: fffffffffffffff5 R14: ffff8807d0e36bd4 R15: ffff881986263b58
kern  :warn  : [Wed Nov 14 01:59:50 2018] FS:  00007f85523ae8c0(0000) GS:ffff881c0fa80000(0000) knlGS:0000000000000000
kern  :warn  : [Wed Nov 14 01:59:50 2018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kern  :warn  : [Wed Nov 14 01:59:50 2018] CR2: 00007fd4c1a66161 CR3: 00000015c052c001 CR4: 00000000000606e0
kern  :warn  : [Wed Nov 14 01:59:50 2018] Call Trace:
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_delete_subvolume+0x4a8/0x529
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_ioctl_snap_destroy+0x284/0x2e1
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_ioctl+0x80a/0x278e
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? mem_cgroup_commit_charge+0x80/0xd4
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? mem_cgroup_throttle_swaprate+0x1a/0xe8
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? __handle_mm_fault+0x4d9/0xa0b
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? vfs_ioctl+0x19/0x26
kern  :warn  : [Wed Nov 14 01:59:50 2018]  vfs_ioctl+0x19/0x26
kern  :warn  : [Wed Nov 14 01:59:50 2018]  do_vfs_ioctl+0x517/0x53f
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? handle_mm_fault+0x14d/0x19c
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ksys_ioctl+0x39/0x58
kern  :warn  : [Wed Nov 14 01:59:50 2018]  __x64_sys_ioctl+0x11/0x14
kern  :warn  : [Wed Nov 14 01:59:50 2018]  do_syscall_64+0x4f/0xd8
kern  :warn  : [Wed Nov 14 01:59:50 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
kern  :warn  : [Wed Nov 14 01:59:50 2018] RIP: 0033:0x7f85511b0a37
kern  :warn  : [Wed Nov 14 01:59:50 2018] Code: 00 00 00 75 0c 48 c7 c0 ff ff ff ff 48 83 c4 18 c3 e8 0d e1 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 21 c4 2c 00 f7 d8 64 89 01 48
kern  :warn  : [Wed Nov 14 01:59:50 2018] RSP: 002b:00007ffcccd25318 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
kern  :warn  : [Wed Nov 14 01:59:50 2018] RAX: ffffffffffffffda RBX: 00007ffcccd25360 RCX: 00007f85511b0a37
kern  :warn  : [Wed Nov 14 01:59:50 2018] RDX: 00007ffcccd25360 RSI: 000000005000940f RDI: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] RBP: 000056323e79b2bd R08: 000000000000ff00 R09: 000056323e79b2bd
kern  :warn  : [Wed Nov 14 01:59:50 2018] R10: 0000000000000573 R11: 0000000000000206 R12: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] R13: 000000000000001b R14: 0000000000000001 R15: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] ---[ end trace 0c680d74f60216cb ]---
kern  :warn  : [Wed Nov 14 01:59:50 2018] WARNING: CPU: 1 PID: 8151 at fs/btrfs/inode.c:9228 btrfs_destroy_inode+0x73/0x1b7
kern  :warn  : [Wed Nov 14 01:59:50 2018] CPU: 1 PID: 8151 Comm: btrfs Tainted: G        W         4.19.0-gentoo #3
kern  :warn  : [Wed Nov 14 01:59:50 2018] Hardware name: LENOVO 43512Z4/LENOVO, BIOS A2KT64AUS 03/14/2018
kern  :warn  : [Wed Nov 14 01:59:50 2018] RIP: 0010:btrfs_destroy_inode+0x73/0x1b7
kern  :warn  : [Wed Nov 14 01:59:50 2018] Code: ff ff ff 00 74 02 0f 0b 48 83 bb 28 ff ff ff 00 74 02 0f 0b 48 83 bb 30 ff ff ff 00 74 02 0f 0b 48 83 bb 60 ff ff ff 00 74 02 <0f> 0b 48 83 bb 38 ff ff ff 00 74 02 0f 0b 48 85 c0 0f 84 10 01 00
kern  :warn  : [Wed Nov 14 01:59:50 2018] RSP: 0018:ffffc90004d8fc48 EFLAGS: 00010286
kern  :warn  : [Wed Nov 14 01:59:50 2018] RAX: ffff8807d0e36800 RBX: ffff881986263b58 RCX: 0000000000000001
kern  :warn  : [Wed Nov 14 01:59:50 2018] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff881986263b58
kern  :warn  : [Wed Nov 14 01:59:50 2018] RBP: ffff8807d0e36800 R08: ffffffff82206390 R09: ffffc90004d8fad0
kern  :warn  : [Wed Nov 14 01:59:50 2018] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
kern  :warn  : [Wed Nov 14 01:59:50 2018] R13: fffffffffffffff5 R14: ffff8807d0e36bd4 R15: ffff881986263b58
kern  :warn  : [Wed Nov 14 01:59:50 2018] FS:  00007f85523ae8c0(0000) GS:ffff881c0fa80000(0000) knlGS:0000000000000000
kern  :warn  : [Wed Nov 14 01:59:50 2018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kern  :warn  : [Wed Nov 14 01:59:50 2018] CR2: 00007fd4c1a66161 CR3: 00000015c052c001 CR4: 00000000000606e0
kern  :warn  : [Wed Nov 14 01:59:50 2018] Call Trace:
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_delete_subvolume+0x4a8/0x529
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_ioctl_snap_destroy+0x284/0x2e1
kern  :warn  : [Wed Nov 14 01:59:50 2018]  btrfs_ioctl+0x80a/0x278e
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? mem_cgroup_commit_charge+0x80/0xd4
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? mem_cgroup_throttle_swaprate+0x1a/0xe8
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? __handle_mm_fault+0x4d9/0xa0b
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? vfs_ioctl+0x19/0x26
kern  :warn  : [Wed Nov 14 01:59:50 2018]  vfs_ioctl+0x19/0x26
kern  :warn  : [Wed Nov 14 01:59:50 2018]  do_vfs_ioctl+0x517/0x53f
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ? handle_mm_fault+0x14d/0x19c
kern  :warn  : [Wed Nov 14 01:59:50 2018]  ksys_ioctl+0x39/0x58
kern  :warn  : [Wed Nov 14 01:59:50 2018]  __x64_sys_ioctl+0x11/0x14
kern  :warn  : [Wed Nov 14 01:59:50 2018]  do_syscall_64+0x4f/0xd8
kern  :warn  : [Wed Nov 14 01:59:50 2018]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
kern  :warn  : [Wed Nov 14 01:59:50 2018] RIP: 0033:0x7f85511b0a37
kern  :warn  : [Wed Nov 14 01:59:50 2018] Code: 00 00 00 75 0c 48 c7 c0 ff ff ff ff 48 83 c4 18 c3 e8 0d e1 01 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 21 c4 2c 00 f7 d8 64 89 01 48
kern  :warn  : [Wed Nov 14 01:59:50 2018] RSP: 002b:00007ffcccd25318 EFLAGS: 00000206 ORIG_RAX: 0000000000000010
kern  :warn  : [Wed Nov 14 01:59:50 2018] RAX: ffffffffffffffda RBX: 00007ffcccd25360 RCX: 00007f85511b0a37
kern  :warn  : [Wed Nov 14 01:59:50 2018] RDX: 00007ffcccd25360 RSI: 000000005000940f RDI: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] RBP: 000056323e79b2bd R08: 000000000000ff00 R09: 000056323e79b2bd
kern  :warn  : [Wed Nov 14 01:59:50 2018] R10: 0000000000000573 R11: 0000000000000206 R12: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] R13: 000000000000001b R14: 0000000000000001 R15: 0000000000000003
kern  :warn  : [Wed Nov 14 01:59:50 2018] ---[ end trace 0c680d74f60216cc ]---


I'm using Kernel 4.19.0-gentoo.
Couldn't identify a cronjob causing this.

Looks a bit dangerous. What can I do?

Regards
olli
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