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Groups > linux.kernel > #1509911
| From | Dave Jones <davej@codemonkey.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: bio linked list corruption. |
| Date | 2016-10-27 00:50 +0200 |
| Message-ID | <swFbb-1Gb-9@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <swBqV-7E5-29@gated-at.bofh.it> <swBKh-809-17@gated-at.bofh.it> <swEyu-1qp-27@gated-at.bofh.it> <swERP-1zh-5@gated-at.bofh.it> <swERP-1zh-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Oct 26, 2016 at 03:21:53PM -0700, Linus Torvalds wrote: > Could you try the attached patch? It adds a couple of sanity tests: > > - a number of tests to verify that 'rq->queuelist' isn't already on > some queue when it is added to a queue > > - one test to verify that rq->mq_ctx is the same ctx that we have locked. > > I may be completely full of shit, and this patch may be pure garbage > or "obviously will never trigger", but humor me. I gave it a shot too for shits & giggles. This falls out during boot. [ 9.244030] EXT4-fs (sda4): mounted filesystem with ordered data mode. Opts: (null) [ 9.271391] ------------[ cut here ]------------ [ 9.278420] WARNING: CPU: 0 PID: 1 at block/blk-mq.c:1181 blk_sq_make_request+0x465/0x4a0 [ 9.285613] CPU: 0 PID: 1 Comm: init Not tainted 4.9.0-rc2-think+ #4 [ 9.300106] ffffc90000013848 [ 9.307353] ffffffff8130d27c [ 9.307420] 0000000000000000 [ 9.307456] 0000000000000000 [ 9.307494] ffffc90000013888 [ 9.314780] ffffffff81077a41 [ 9.314847] 0000049d00013898 [ 9.314884] 0000000000000001 [ 9.314922] 0000000000000002 [ 9.322213] ffffe8ffffc06600 [ 9.322280] ffffe8ffff606600 [ 9.322317] ffff8805015c2e80 [ 9.322355] Call Trace: [ 9.329689] [<ffffffff8130d27c>] dump_stack+0x4f/0x73 [ 9.337208] [<ffffffff81077a41>] __warn+0xc1/0xe0 [ 9.344730] [<ffffffff81077b18>] warn_slowpath_null+0x18/0x20 [ 9.352282] [<ffffffff812f7975>] blk_sq_make_request+0x465/0x4a0 [ 9.359816] [<ffffffff812eb44a>] ? generic_make_request+0xca/0x210 [ 9.367367] [<ffffffff812eb457>] generic_make_request+0xd7/0x210 [ 9.374931] [<ffffffff812eb5f9>] submit_bio+0x69/0x120 [ 9.382488] [<ffffffff812004ef>] ? submit_bh_wbc+0x16f/0x1e0 [ 9.390083] [<ffffffff812004ef>] submit_bh_wbc+0x16f/0x1e0 [ 9.397673] [<ffffffff81200bfe>] submit_bh+0xe/0x10 [ 9.405205] [<ffffffff81255eac>] __ext4_get_inode_loc+0x1ac/0x3d0 [ 9.412795] [<ffffffff81258f4b>] ext4_iget+0x6b/0xb70 [ 9.420366] [<ffffffff811d6018>] ? lookup_slow+0xf8/0x1f0 [ 9.427947] [<ffffffff81259a7a>] ext4_iget_normal+0x2a/0x30 [ 9.435541] [<ffffffff81264734>] ext4_lookup+0x114/0x230
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Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-19 00:50 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 01:40 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 02:20 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 02:30 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 00:50 +0200
Re: bio linked list corruption. Andy Lutomirski <luto@kernel.org> - 2016-10-19 03:10 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 01:00 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 01:10 +0200
Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-21 01:30 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 22:10 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 22:30 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-21 23:20 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-22 17:30 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-24 06:50 +0200
Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-24 22:10 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-24 22:50 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-24 23:20 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-25 00:00 +0200
Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-25 00:50 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-25 02:10 +0200
Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-25 03:20 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 02:30 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 03:40 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 03:40 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 18:40 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 18:50 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 20:20 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-26 20:50 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-26 21:10 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 00:10 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 00:30 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 00:50 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:00 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:00 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 01:10 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:50 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-31 20:00 +0100
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-31 20:40 +0100
Re: btrfs btree_ctree_super fault Dave Jones <davej@codemonkey.org.uk> - 2016-11-06 18:00 +0100
Re: btrfs btree_ctree_super fault Dave Jones <davej@codemonkey.org.uk> - 2016-11-08 16:00 +0100
Re: btrfs btree_ctree_super fault Dave Jones <davej@codemonkey.org.uk> - 2016-11-10 15:40 +0100
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:10 +0200
Re: bio linked list corruption. Christoph Hellwig <hch@infradead.org> - 2016-10-27 08:40 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-27 18:40 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 01:10 +0200
Re: bio linked list corruption. Dave Chinner <david@fromorbit.com> - 2016-10-27 07:50 +0200
Re: bio linked list corruption. Dave Jones <davej@codemonkey.org.uk> - 2016-10-27 19:30 +0200
Re: bio linked list corruption. Andy Lutomirski <luto@amacapital.net> - 2016-10-21 01:10 +0200
Re: bio linked list corruption. Philipp Hahn <pmhahn@pmhahn.de> - 2016-10-19 19:10 +0200
Re: bio linked list corruption. Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 19:50 +0200
Re: bio linked list corruption. Ingo Molnar <mingo@kernel.org> - 2016-10-20 09:00 +0200
Re: bio linked list corruption. Thomas Gleixner <tglx@linutronix.de> - 2016-10-20 09:30 +0200
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