Subject: Re: [PowerPC][next-20170324][kselftest] kernel Oops when running
 tm/tm-signal-context-chk-vsx
From: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 03 Apr 2017 14:28:43 +0530
In-Reply-To: <871sthbu12.fsf@concordia.ellerman.id.au>
References: <1490612559.8344.15.camel@abdul.in.ibm.com>
         <871sthbu12.fsf@concordia.ellerman.id.au>
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On Tue, 2017-03-28 at 21:00 +1100, Michael Ellerman wrote:
> Abdul Haleem <abdhalee@linux.vnet.ibm.com> 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.


-- 
Regard's

Abdul Haleem
IBM Linux Technology Centre