From: Chris Leech <cleech@redhat.com>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Dave Chinner <david@fromorbit.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Lee Duncan <lduncan@suse.com>,
open-iscsi@googlegroups.com,
Linux SCSI List <linux-scsi@vger.kernel.org>,
linux-block <linux-block@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [4.10, panic, regression] iscsi: null pointer deref at iscsi_tcp_segment_done+0x20d/0x2e0
Date: Thu, 22 Dec 2016 16:03:56 -0800 [thread overview]
Message-ID: <20161223000356.dxwkgsei32w7hc4f@straylight.hirudinean.org> (raw)
In-Reply-To: <CACVXFVOGoh+AEGSSMsbxfdAjZQS5k_t+7uR-+qwusm0vfauHEA@mail.gmail.com>
On Fri, Dec 23, 2016 at 07:53:50AM +0800, Ming Lei wrote:
> On Fri, Dec 23, 2016 at 2:50 AM, Chris Leech <cleech@redhat.com> wrote:
> > I'm not reproducing any problems with xfstests running over iscsi_tcp
> > right now. Two 10G luns exported from an LIO target, attached directly
> > to a test VM as sda/sdb and xfstests configured to use sda1/sdb1 as
> > TEST_DEV and SCRATCH_DEV.
> >
> > The virtio scatterlist issue that popped right away for me is triggered
> > by an hdparm ioctl, which is being run by tuned on Fedora. And that
> > actually seems to happen back on 4.9 as well :(
>
> Could you share us what the specific hdparm cmd line is? I tried several
> random cmds over virtio-blk/virito-scsi, looks not see this problem.
Of course, looks like I've screwed up my bisect run on this so I'm still
taking a look. It triggers for me with 'hdparm -B /dev/vda' but may
also depend on kernel configuration.
I started with the fedora rawhide config with a lot of debug on and
trimed it down with a localmodconfig run in the VM to speed up rebuilds.
Chris
next prev parent reply other threads:[~2016-12-23 0:04 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-14 22:24 [4.10, panic, regression] iscsi: null pointer deref at iscsi_tcp_segment_done+0x20d/0x2e0 Dave Chinner
2016-12-14 22:29 ` Dave Chinner
2016-12-16 18:59 ` Chris Leech
2016-12-21 22:16 ` Dave Chinner
2016-12-21 23:19 ` Linus Torvalds
2016-12-22 0:13 ` Chris Leech
2016-12-22 5:13 ` Dave Chinner
2016-12-22 5:46 ` Linus Torvalds
2016-12-22 6:50 ` Dave Chinner
2016-12-22 18:50 ` Chris Leech
2016-12-22 23:53 ` Ming Lei
2016-12-23 0:03 ` Chris Leech [this message]
2016-12-23 10:00 ` Christoph Hellwig
2016-12-23 19:42 ` Linus Torvalds
2016-12-24 2:45 ` Jens Axboe
2016-12-24 9:49 ` Christoph Hellwig
2016-12-24 10:07 ` Christoph Hellwig
2016-12-24 13:17 ` Hannes Reinecke
2016-12-24 13:19 ` Christoph Hellwig
2017-01-04 14:07 ` Christoph Hellwig
2016-12-22 20:22 ` Hugh Dickins
2016-12-23 7:32 ` Johannes Weiner
2016-12-23 8:33 ` Johannes Weiner
2017-01-02 21:11 ` Johannes Weiner
2017-01-03 12:28 ` Jan Kara
2017-01-04 15:26 ` Laurence Oberman
2017-01-04 17:38 ` Laurence Oberman
2017-01-08 2:02 ` Johannes Weiner
2017-01-08 2:17 ` Linus Torvalds
2017-01-09 20:30 ` Jan Kara
2017-01-09 20:45 ` Johannes Weiner
2016-12-22 6:28 ` Dave Chinner
2016-12-22 17:24 ` Linus Torvalds
2016-12-22 20:20 ` Thomas Gleixner
2016-12-22 20:42 ` Dave Chinner
2016-12-22 21:06 ` Dave Chinner
2016-12-22 21:10 ` Linus Torvalds
2016-12-22 22:15 ` Dave Chinner
2016-12-22 22:33 ` Dave Chinner
2016-12-23 3:52 ` Dave Chinner
2016-12-23 0:16 ` Jens Axboe
2016-12-22 6:18 ` Christoph Hellwig
2016-12-22 6:30 ` Dave Chinner
2016-12-22 6:36 ` Christoph Hellwig
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