From: Kent Overstreet <kent.overstreet@gmail.com>
To: "Marcin Mirosław" <marcin@mejor.pl>
Cc: linux-bcache@vger.kernel.org
Subject: Re: [bcachefs-testing] BUG: unable to handle kernel paging request at 0000005780540006
Date: Fri, 9 Dec 2016 13:18:50 -0900 [thread overview]
Message-ID: <20161209221850.mgxpnsgwahbsj6qy@kmo-pixel> (raw)
In-Reply-To: <eb9969d6-d82f-70a6-dd8c-d7634e6a5546@mejor.pl>
On Fri, Dec 09, 2016 at 10:23:50PM +0100, Marcin Mirosław wrote:
> W dniu 2016-12-09 o 22:01, Kent Overstreet pisze:
> > On Fri, Dec 09, 2016 at 09:52:42PM +0100, Marcin Mirosław wrote:
> > > W dniu 2016-12-09 o 19:51, Kent Overstreet pisze:
> > > > On Fri, Dec 09, 2016 at 11:08:05AM +0100, marcin@mejor.pl wrote:
> > > > > Hi all!
> > > > >
> > > > > Kernel at:
> > > > > commit a3cccb56d861c0092be2b58cbaf7b44e298f59bc
> > > > > Author: Kent Overstreet <kent.overstreet@gmail.com>
> > > > > 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
> > > >
> > > > Did you have compression enabled?
> > >
> > >
> > > Yes, lz4.
> >
> > Read the commit message for the previous patch. There's a reason why I left that
> > stuff in a branch that wouldn't compile :)
>
>
> I'm confused. I'm on branch bcachefs-testing (if git doesn't lie to me).
> Previous commit is:
> bcache: factor out eytzinger.h
Oh sorry, I got two different journal commits confued.
Uhh, let me stare at that code...
next prev parent reply other threads:[~2016-12-09 22:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-09 10:08 [bcachefs-testing] BUG: unable to handle kernel paging request at 0000005780540006 marcin
2016-12-09 18:51 ` Kent Overstreet
2016-12-09 20:52 ` Marcin Mirosław
2016-12-09 21:01 ` Kent Overstreet
2016-12-09 21:23 ` Marcin Mirosław
2016-12-09 22:18 ` Kent Overstreet [this message]
2016-12-09 23:25 ` Kent Overstreet
2016-12-12 10:26 ` marcin
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