From: Michele Ballabio <barra_cuda@katamail.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-block@vger.kernel.org
Subject: Re: block: oopses on 4.13.*, 4.14.* and 4.15-rc2 (bisected)
Date: Sat, 9 Dec 2017 00:27:21 +0100 [thread overview]
Message-ID: <20171209002721.537a5290@darkstar.example.org> (raw)
In-Reply-To: <f59e66c4-e09b-95aa-a5a5-f26288beb3f0@kernel.dk>
On Fri, 8 Dec 2017 13:08:37 -0700
Jens Axboe <axboe@kernel.dk> wrote:
> On 12/08/2017 08:38 AM, Michele Ballabio wrote:
> > Hi,
> > kernels 4.13.*, 4.14.* 4.15-rc2 crash on occasion,
> > especially on x86-32 systems. To trigger the problem, run as root:
> >
> > while true
> > do
> > /sbin/udevadm trigger --type=subsystems --action=change
> > /sbin/udevadm trigger --type=devices --action=change
> > /sbin/udevadm settle --timeout=120
> > done
> >
> > (Thanks to Patrick Volkerding for the reproducer).
> >
> > Sometimes the kernel oopses immediately, sometimes a bit later
> > (less than five minutes).
> >
> > The bisection pointed to commit
> > caa4b02476e31fc7933d2138062f7f355d3cd8f7 (blk-map: call
> > blk_queue_bounce from blk_rq_append_bio). A revert fixes the
> > problem (tested on 4.13 and master).
>
> Thanks for your report - can you try the below patch? Totally
> untested...
I applied the patch on master
(968edbd93c0cbb40ab48aca972392d377713a0c3), I tried two times to boot
the system but couldn't get to the shell. I found this in the log:
kernel: [ 37.625778] BUG: unable to handle kernel paging request at 00027f30
kernel: [ 37.660642] IP: bio_uncopy_user+0xab/0x120
kernel: [ 37.731620] Oops: 0000 [#1] SMP
kernel: [ 37.766587] Modules linked in:
kernel: [ 37.800794] CPU: 0 PID: 692 Comm: ata_id Not tainted 4.15.0-rc2-mike-1mike+ #165
kernel: [ 37.836750] Hardware name: System manufacturer System Product Name/PRIME B350-PLUS, BIOS 0902 09/08/2017
kernel: [ 37.873684] EIP: bio_uncopy_user+0xab/0x120
kernel: [ 37.909600] EFLAGS: 00010206 CPU: 0
kernel: [ 37.944533] EAX: ec7ea800 EBX: eb8ef380 ECX: 00027f2c EDX: 802a0013
kernel: [ 37.979895] ESI: 00000004 EDI: 00000000 EBP: e9721d78 ESP: e9721d4c
kernel: [ 38.015108] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
kernel: [ 38.050511] CR0: 80050033 CR2: 00027f30 CR3: 2cee0ea0 CR4: 003406f0
kernel: [ 38.085727] Call Trace:
kernel: [ 38.119868] ? mempool_free+0x23/0x80
kernel: [ 38.154149] __blk_rq_unmap_user+0x17/0x40
kernel: [ 38.188016] blk_rq_unmap_user+0x27/0x60
kernel: [ 38.221280] sg_io+0x1f4/0x390
kernel: [ 38.253896] ? blkdev_get+0xe6/0x2a0
kernel: [ 38.286291] scsi_cmd_ioctl+0x26a/0x3f0
kernel: [ 38.318792] ? path_openat+0x4e9/0x11e0
kernel: [ 38.350829] scsi_cmd_blk_ioctl+0x30/0x40
kernel: [ 38.382469] sd_ioctl+0x63/0x90
kernel: [ 38.413630] ? scsi_disk_put+0x40/0x40
kernel: [ 38.444589] blkdev_ioctl+0x47a/0x9a0
kernel: [ 38.474897] block_ioctl+0x37/0x40
kernel: [ 38.504137] ? block_ioctl+0x37/0x40
kernel: [ 38.532682] ? blkdev_fallocate+0x220/0x220
kernel: [ 38.560834] do_vfs_ioctl+0x81/0x610
kernel: [ 38.588706] ? putname+0x47/0x60
kernel: [ 38.616480] ? putname+0x47/0x60
kernel: [ 38.643817] ? do_sys_open+0x139/0x230
kernel: [ 38.670493] SyS_ioctl+0x58/0x70
kernel: [ 38.697488] do_int80_syscall_32+0x3e/0xe0
kernel: [ 38.723925] entry_INT80_32+0x31/0x31
kernel: [ 38.750093] EIP: 0xb7dd82c4
kernel: [ 38.775882] EFLAGS: 00000246 CPU: 0
kernel: [ 38.801792] EAX: ffffffda EBX: 00000003 ECX: 00002285 EDX: bfd09900
kernel: [ 38.828336] ESI: bfd0af05 EDI: bfd09940 EBP: bfd09e18 ESP: bfd09868
kernel: [ 38.854585] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
kernel: [ 38.880557] Code: d4 8d 65 f4 5b 5e 5f 5d c3 8d b4 26 00 00 00 00 c7 45 d4 00 00 00 00 eb d6 8d b4 26 00 00 00 00 8b 4d d8 66 83 7b 54 00 8b 73 5c <8b> 41 04 89 45 dc 8b 41 08
89 45 e0 8b 41 0c 89 45 e4 8b 41 10
kernel: [ 38.935585] EIP: bio_uncopy_user+0xab/0x120 SS:ESP: 0068:e9721d4c
kernel: [ 38.962830] CR2: 0000000000027f30
kernel: [ 38.989570] ---[ end trace 49c0f0f09584f509 ]---
kernel: [ 43.367782] BUG: unable to handle kernel paging request at 10010021
kernel: [ 43.396195] IP: kmem_cache_alloc+0x8e/0x1d0
kernel: [ 43.450948] Oops: 0000 [#2] SMP
kernel: [ 43.478445] Modules linked in:
kernel: [ 43.505799] CPU: 6 PID: 573 Comm: fc-cache Tainted: G D 4.15.0-rc2-mike-1mike+ #165
kernel: [ 43.534691] Hardware name: System manufacturer System Product Name/PRIME B350-PLUS, BIOS 0902 09/08/2017
kernel: [ 43.564549] EIP: kmem_cache_alloc+0x8e/0x1d0
kernel: [ 43.594336] EFLAGS: 00010206 CPU: 6
kernel: [ 43.624092] EAX: 00000000 EBX: 10010021 ECX: 0000108a EDX: 00001089
kernel: [ 43.654634] ESI: f77f3ae8 EDI: ecc03980 EBP: ea63fbc0 ESP: ea63fba4
kernel: [ 43.685394] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
kernel: [ 43.716288] CR0: 80050033 CR2: 10010021 CR3: 2bdaee40 CR4: 003406f0
kernel: [ 43.747663] Call Trace:
kernel: [ 43.778709] ? mempool_alloc_slab+0x13/0x20
kernel: [ 43.810162] mempool_alloc_slab+0x13/0x20
kernel: [ 43.810165] mempool_alloc+0x3a/0x130
kernel: [ 43.810168] ? cfq_set_request+0x4d/0x4d0
kernel: [ 43.810172] ? native_sched_clock+0x2a/0xd0
kernel: [ 43.810175] bio_alloc_bioset+0x13a/0x220
kernel: [ 43.810177] bio_clone_bioset+0x47/0x370
kernel: [ 43.810180] blk_queue_bounce+0x1cb/0x3a0
kernel: [ 43.810183] blk_queue_bio+0x22/0x3f0
kernel: [ 43.810185] generic_make_request+0xd7/0x2d0
kernel: [ 43.810187] ? mempool_alloc+0x3a/0x130
kernel: [ 43.810189] submit_bio+0x67/0x130
kernel: [ 43.810191] ? bio_alloc_bioset+0x13a/0x220
kernel: [ 43.810194] ext4_mpage_readpages+0x59d/0x8e0
kernel: [ 43.810197] ? __alloc_pages_nodemask+0xd4/0xe80
kernel: [ 43.810202] ext4_readpages+0x31/0x40
kernel: [ 43.810203] ? ext4_readpages+0x31/0x40
kernel: [ 43.810205] ? ext4_invalidatepage+0xb0/0xb0
kernel: [ 43.810208] __do_page_cache_readahead+0x13e/0x1e0
kernel: [ 43.810211] filemap_fault+0x31a/0x550
kernel: [ 43.810214] ? find_get_pages_range_tag+0x270/0x270
kernel: [ 43.810216] ? filemap_map_pages+0x13d/0x2d0
(log ends here, the rest didn't make it to disk).
next prev parent reply other threads:[~2017-12-08 23:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-08 15:38 block: oopses on 4.13.*, 4.14.* and 4.15-rc2 (bisected) Michele Ballabio
2017-12-08 20:08 ` Jens Axboe
2017-12-08 23:27 ` Michele Ballabio [this message]
2017-12-18 7:46 ` Ming Lei
2017-12-18 20:19 ` Michele Ballabio
2017-12-08 23:54 ` Ming Lei
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171209002721.537a5290@darkstar.example.org \
--to=barra_cuda@katamail.com \
--cc=axboe@kernel.dk \
--cc=hch@lst.de \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.