Re: [Xenomai] Stable update for ipipe-3.8

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2013-07-20 13:32, Gilles Chanteperdrix wrote:
> On 06/11/2013 04:28 PM, Jan Kiszka wrote:
> 
>> Hi all,
>>
>> I've merged 3.8.13 into our stable 3.8 branch. This triggered some minor
>> conflicts in generic and ARM code. Please see
>>
>> git://git.xenomai.org/ipipe-jki for-upstream/3.8
>>
>> for details. The result works fine for x86, and if it's also OK for the
>> other arch, I'd propose this to be merged into the official 3.8 stable
>> branch.
> 
> 
> Hi Jan,
> 
> I am not so sure 3.8.13. I am having random segfaults when running:
> 
> xeno-regression-test -l "dohell -s 192.168.0.5 -m /mnt -l /ltp" -p 1000
> 
> on geode and at91. I have first focused on at91 because the "unlocked
> context switch" features is a usual suspect, but:
> - the hardware pgd is in sync with the software pgd, which means that
> the unlocked context switch did not mess up the hardware pgd;
> -  going back to 3.5, I am unable to trigger the faults, despite the
> fact that the mm switch code is the same for this type of machine.
> 
> So, could you run this same test on your x86 machines to see if you have
> any issue?

I've seen it once during a test run today, but I'm lacking LTP here.

Right now I'm debugging a failing cond-torture-posix test which prevents
the completion if the run. Likely unrelated.

Jan

-- 
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux