Re: soft lockup in xfs/170 on a file system formatted with -m crc=0

Theodore Ts'o
2021-11-06T14:52:20Z

On Fri, Nov 05, 2021 at 07:10:31PM -0700, Darrick J. Wong wrote:
> On Fri, Nov 05, 2021 at 01:25:05PM -0400, Theodore Ts'o wrote:
> > Is this a known failure? I can reliably reproduce this soft lockup
> > running xfs/170 using "gce-xfstests -c xfs/v4 xfs/170" using
> > v5.15-rc4. The xfs/v4 test config formats the file system using -m
> > crc=0 with no special mount options.
> >
> > I've attached the kernel config that I used; it's the standard one
> > obtained via "gce-xfstests install-kconfig"[1].
>
> Also, uh... 5.15 didn't prove to be a stable testing base (at least not
> without a bunch of other patches to kvm, the memory manager, and the
> block layer) until 5.15-rc7.

Thanks, I haven't had a problem using 5.15-rc4 as a testing base for
ext4, so I wasn't aware of that. I just tested xfs/170 on 5.15 final,
and it is no longer triggering a soft lockup.

Thanks again,

- Ted