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From: Michael Ellerman <mpe@ellerman.id.au>
To: Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PowerPC][next-20170324][kselftest] kernel Oops when running tm/tm-signal-context-chk-vsx
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Date: Tue, 28 Mar 2017 21:00:25 +1100
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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