Re: [PowerPC][next-20170324][kselftest] kernel Oops when running tm/tm-signal-context-chk-vsx

From: Abdul Haleem
Date: Mon Apr 03 2017 - 05:04:15 EST


On Mon, 2017-04-03 at 14:28 +0530, Abdul Haleem wrote:
> On Tue, 2017-03-28 at 21:00 +1100, Michael Ellerman wrote:
> > Abdul Haleem <abdhalee@xxxxxxxxxxxxxxxxxx> writes:
> >
> > > Hi,
> > >
> > > While running kernel self tests on ppc64, tm/tm-signal-context-chk-vsx
> > > tests fails with Oops message.
> > >
> > > I was able to reproduce only twice out of 20 runs on next-20170324 only.
> > > so it is difficult to bisect the commit causing the issue.
> >
> > Can you try mainline as of this commit:
> >
> > 605df8d674ac ("selftests/powerpc: Replace stxvx and lxvx with stxvd2x/lxvd2x")
> >
> > https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=605df8d674ac65e044a0bf4998b28c2f350b7f9e
> >
> > cheers
> >
>
>
> Trace is not reproducible on mainline with above commit.
>
> Cyril was able to reproduce it and is working on it.
>
>
>
>
cc Cyril Bur <cyrilbur@xxxxxxxxx>

--
Regard's

Abdul Haleem
IBM Linux Technology Centre