Hi all!
Kernel at:
commit a3cccb56d861c0092be2b58cbaf7b44e298f59bc
Author: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Date: Thu Dec 8 14:41:14 2016 -0900
bcache: increase default journal write delay for spinning rust
Today I tried to use bcachefs as /home. After sometime, when I do backup
of /home I got:
> Dec 9 10:44:09 localhost kernel: [ 3517.194588] BUG: unable to handle kernel paging request at 0000005780540006
> Dec 9 10:44:09 localhost kernel: [ 3517.194602] IP: [<ffffffff85493fa5>] page_is_data+0x5/0x50
> Dec 9 10:44:09 localhost kernel: [ 3517.194615] PGD 124492067 PUD 0
> Dec 9 10:44:09 localhost kernel: [ 3517.194620] Oops: 0000 [#1] PREEMPT SMP
> Dec 9 10:44:09 localhost kernel: [ 3517.194624] Modules linked in: tun mousedev nvidia(PO) coretemp hwmon drm kvm_intel nvidiafb cfbfillrect cfbimgblt vgastate snd_hda_codec_realtek snd_hda_codec_generic kv
> m i2c_i801 cfbcopyarea i2c_algo_bit backlight fb_ddc irqbypass snd_hda_intel snd_hda_codec i2c_smbus psmouse evdev snd_hda_core snd_pcm fb r8169 snd_timer fbdev snd mii intel_agp thermal lpc_ich intel_gtt mf
> d_core soundcore agpgart 8250 8250_base serial_core shpchp button acpi_cpufreq processor pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) zfs(PO) zunicode(PO) icp(PO) sr_mod cdrom pata_acpi zcommon
> (PO) znvpair(PO) spl(O) zavl(PO) pata_jmicron
> Dec 9 10:44:09 localhost kernel: [ 3517.194681] CPU: 2 PID: 20385 Comm: hb Tainted: P W O 4.8.0-bcache+ #10
> Dec 9 10:44:09 localhost kernel: [ 3517.194683] Hardware name: . . /IP35 Pro XE(Intel P35-ICH9R), BIOS 6.00 PG 09/09/2008
> Dec 9 10:44:09 localhost kernel: [ 3517.194685] task: ffffa23cee8b8000 task.stack: ffffa23cd59d4000
> Dec 9 10:44:09 localhost kernel: [ 3517.194687] RIP: 0010:[<ffffffff85493fa5>] [<ffffffff85493fa5>] page_is_data+0x5/0x50
> Dec 9 10:44:09 localhost kernel: [ 3517.194692] RSP: 0018:ffffa23cd59d7d88 EFLAGS: 00010206
> Dec 9 10:44:09 localhost kernel: [ 3517.194694] RAX: 0000005780540006 RBX: 000000000000005d RCX: 0000000000000002
> Dec 9 10:44:09 localhost kernel: [ 3517.194696] RDX: 0000000000000000 RSI: ffffa23c68045a28 RDI: 0000005780540006
> Dec 9 10:44:09 localhost kernel: [ 3517.194698] RBP: ffffa23cd59d7dc0 R08: 0000005780540006 R09: ffffa23c68045918
> Dec 9 10:44:09 localhost kernel: [ 3517.194700] R10: ffffa23cd59d7d20 R11: 0000000000000040 R12: 0000005780540006
> Dec 9 10:44:09 localhost kernel: [ 3517.194702] R13: 000002000005ce00 R14: 000000000005d000 R15: ffffa23bc75d8d00
> Dec 9 10:44:09 localhost kernel: [ 3517.194704] FS: 00007f395c69b700(0000) GS:ffffa23d0fd00000(0000) knlGS:0000000000000000
> Dec 9 10:44:09 localhost kernel: [ 3517.194706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Dec 9 10:44:09 localhost kernel: [ 3517.194708] CR2: 0000005780540006 CR3: 0000000115407000 CR4: 00000000000006e0
> Dec 9 10:44:09 localhost kernel: [ 3517.194710] Stack:
> Dec 9 10:44:09 localhost kernel: [ 3517.194712] ffffffff854942c1 ffffa23c863f57f8 000000000005c000 ffffa23c863f5680
> Dec 9 10:44:09 localhost kernel: [ 3517.194716] 7fffffffffffffff ffffa23cd59d7ea8 ffffa23bc75d8d00 ffffa23cd59d7f00
> Dec 9 10:44:09 localhost kernel: [ 3517.194720] ffffffff854943f2 0000000000000000 000280f100000000 0000000000000000
> Dec 9 10:44:09 localhost kernel: [ 3517.194724] Call Trace:
> Dec 9 10:44:09 localhost kernel: [ 3517.194728] [<ffffffff854942c1>] ? bch_next_pagecache_hole.isra.47+0x61/0xb0
> Dec 9 10:44:09 localhost kernel: [ 3517.194733] [<ffffffff854943f2>] bch_seek_hole+0xe2/0x1c0
> Dec 9 10:44:09 localhost kernel: [ 3517.194739] [<ffffffff851ce14c>] ? mntput_no_expire+0x2c/0x190
> Dec 9 10:44:09 localhost kernel: [ 3517.194742] [<ffffffff8549765a>] bch_llseek+0x1a/0x40
> Dec 9 10:44:09 localhost kernel: [ 3517.194746] [<ffffffff851ac1aa>] SyS_lseek+0x8a/0xb0
> Dec 9 10:44:09 localhost kernel: [ 3517.194749] [<ffffffff8560df9f>] entry_SYSCALL_64_fastpath+0x17/0x93
> Dec 9 10:44:09 localhost kernel: [ 3517.194751] Code: c4 18 5b 41 5c 5d c3 f0 80 4e 01 08 e9 76 ff ff ff 31 c0 eb da 80 7b 31 08 74 d4 0f 0b e8 c4 9a bc ff 0f 1f 40 00 66 66 66 66 90 <48> 8b 17 55 31 c0 48
> 89 e5 80 e6 08 74 22 48 8b 07 f6 c4 08 74
> Dec 9 10:44:09 localhost kernel: [ 3517.194805] RIP [<ffffffff85493fa5>] page_is_data+0x5/0x50
> Dec 9 10:44:09 localhost kernel: [ 3517.194809] RSP <ffffa23cd59d7d88>
> Dec 9 10:44:09 localhost kernel: [ 3517.194811] CR2: 0000005780540006
> Dec 9 10:44:09 localhost kernel: [ 3517.194815] ---[ end trace fde98349eb2cf765 ]---
# addr2line -i -e vmlinux ffffffff85493fa5
??:0
Marcin
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