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

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Message-Id: <1491209923.7788.9.camel@abdul.in.ibm.com>
Date:   Mon, 03 Apr 2017 14:28:43 +0530
From:   Abdul Haleem <abdhalee@...ux.vnet.ibm.com>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PowerPC][next-20170324][kselftest] kernel Oops when running
 tm/tm-signal-context-chk-vsx

On Tue, 2017-03-28 at 21:00 +1100, Michael Ellerman wrote:
> Abdul Haleem <abdhalee@...ux.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