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From: David Miller <davem@davemloft.net>
To: sparclinux@vger.kernel.org
Subject: Re: sparc64: git kernel 4.14.0-12995-g0c86a6bd85ff does not boot
Date: Wed, 29 Nov 2017 19:26:44 +0000	[thread overview]
Message-ID: <20171129.142644.2300740097087344385.davem@davemloft.net> (raw)
In-Reply-To: <CADxRZqxRB=G4+QwYasS0a7GJA-4WJW13NQTm-oEt8QrHgZixSQ@mail.gmail.com>

From: Anatoly Pugachev <matorola@gmail.com>
Date: Wed, 29 Nov 2017 21:58:21 +0300

> On Wed, Nov 29, 2017 at 9:48 PM, David Miller <davem@davemloft.net> wrote:
>>
>> We are initializing free memory, then we end up at a totally unrelated
>> piece of code.
>>
>> Something is causing the cpu to call some random address and we need
>> to figure out why.
>>
>> I've built the current kernel on a SunBlade-2500 with gcc-4.4.5 and I
>> couldn't reproduce this crash.
> 
> David, using your git sparc kernel tree, bisect log:
> 
> mator@ttip:~/sparc$ git remote -v
> origin  git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git (fetch)
> origin  git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git (push)
> 
> mator@ttip:~/sparc$ git bisect good
> 46ad8d2d22c17e2b577adec55ae87161666a3267 is the first bad commit
> commit 46ad8d2d22c17e2b577adec55ae87161666a3267
> Author: Vijay Kumar <vijay.ac.kumar@oracle.com>
> Date:   Wed Oct 11 12:50:06 2017 -0600
> 
>     sparc64: Use sparc optimized fls and __fls for T4 and above

Thanks for bisecting, I'll take a look.

  parent reply	other threads:[~2017-11-29 19:26 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-22 15:40 sparc64: git kernel 4.14.0-12995-g0c86a6bd85ff does not boot Anatoly Pugachev
2017-11-27 10:20 ` Anatoly Pugachev
2017-11-27 11:37 ` Meelis Roos
2017-11-27 14:22 ` David Miller
2017-11-29  8:56 ` Anatoly Pugachev
2017-11-29 16:02 ` David Miller
2017-11-29 18:48 ` David Miller
2017-11-29 18:58 ` Anatoly Pugachev
2017-11-29 18:59 ` Frans van Berckel
2017-11-29 19:26 ` David Miller
2017-11-29 19:26 ` David Miller [this message]
2017-11-29 19:37 ` David Miller
2017-11-29 20:05 ` Anatoly Pugachev
2017-11-29 20:06 ` David Miller
2017-11-30  3:35 ` Vijay Kumar

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