On Fri, Dec 23, 2016 at 07:53:50AM +0800, Ming Lei wrote:
> On Fri, Dec 23, 2016 at 2:50 AM, Chris Leech <cle...@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

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