Subject: Re: [PATCH 3.16 000/217] 3.16.35-rc1 review
To: Ben Hutchings <ben@decadent.org.uk>, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org
References: <lsq.1461711740.434915673@decadent.org.uk>
 <5722E039.7050505@roeck-us.net> <1462045483.17662.19.camel@decadent.org.uk>
Cc: torvalds@linux-foundation.org, Phil Jensen <pjensen@evernote.com>,
        akpm@linux-foundation.org
From: Guenter Roeck <linux@roeck-us.net>
Message-ID: <57253D9B.8000800@roeck-us.net>
Date: Sat, 30 Apr 2016 16:19:55 -0700
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On 04/30/2016 12:44 PM, Ben Hutchings wrote:
> On Thu, 2016-04-28 at 21:16 -0700, Guenter Roeck wrote:
>> On 04/26/2016 04:02 PM, Ben Hutchings wrote:
>>>
>>> This is the start of the stable review cycle for the 3.16.35 release.
>>> There are 217 patches in this series, which will be posted as responses
>>> to this one.  If anyone has any issues with these being applied, please
>>> let me know.
>>>
>>> Responses should be made by Sat Apr 30 22:00:00 UTC 2016.
>>> Anything received after that time might be too late.
>>>
>> Updated build and test results:
>>
>> Build results:
>> 	total: 137 pass: 135 fail: 2
>> Failed builds:
>> 	arc:allnoconfig
>> 	arm64:allmodconfig
>>
>> Qemu test results:
>> 	total: 97 pass: 94 fail: 3
>> Failed tests:
>> 	arm:xilinx-zynq-a9:multi_v7_defconfig:zynq-zc706

Update:

This failure was sporadic and easily fixed by adding "rootwait"
to the command line options.

Guenter

>> 	arm64:smp:defconfig
>> 	arm64:nosmp:defconfig
>>
>> This is after dropping a couple of builds and qemu tests which are
>> known to be bad in 3.16, and after some fixes in the tree.
>>
>> The arm64 build failure is due to gcc5, which needs a patch from a
>> later kernel. The other failures are new and did not occur in 3.16.7.
>>
>> A bisect of the arm64 qemu failure points to commit f98ab7a1e78
>> ("mm, vmstat: allow WQ concurrency to discover memory reclaim doesn't
>> make any progress"). Unfortunately, that is inconclusive, since there
>> have been several follow-up commits trying to fix it. After reverting
>> all those commits, the test still fails.
>
> Thank you very much for the analysis.  I'll look at the failures later
> as none of them appear to be related to the current patch series.
>
> Ben.
>