On 07/26/2013 06:41 PM, Jan Kiszka wrote:
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.
I forgot to add that yes, the issue is rare. It happens once in the
whole run here, I happen to have noticed it because sometimes, the
latency test is the victim. LTP exists as a debian package, if you are
using debian.
--
Gilles.
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