On 01/13/2013 12:23 PM, Jan Kiszka wrote:
> On 2013-01-13 07:50, John Morris wrote:
>> On 01/12/2013 01:02 PM, Gilles Chanteperdrix wrote:
>>> On 01/12/2013 06:26 PM, John Morris wrote:
>>>
>>>> Hi list,
>>>>
>>>> The el6 packages are coming along nicely:
>>>>
>>>> https://github.com/zultron/kernel-ml/tree/branch3.5.3-xeno
>>>>
>>>> Still a few problems when running xeno-regression-test.
>>>>
>>>> 1) Most worrisome is "kernel BUG at mm/mmap.c:2313! invalid opcode:
>>>> 0000 [#2] SMP". Is this related to HEAPSZ or STACKPOOLSZ? My mind is
>>>> getting foggy about all the things I've seen, but it seems like it was
>>>> happening earlier in the tests until these config values were quadrupled.
>>>
>>>
>>> Try disabling transparent hugepages, as noted by Jan.
>>>
>>>>
>>>> 2) posix/mprotect is failing: "FAILURE: sigdebug_handler triggered,
>>>> reason 2 memory write after exec enable".
>>>>
>>>> 3) FPU warning: "fptest.h:24: Warning: Linux is compiled to use FPU in
>>>> kernel-space. For this reason, switchtest can not test using FPU in
>>>> Linux kernel-space."
>>>>
>>>> Regression test run log:
>>>> http://www.zultron.com/static/2013/01/xenomai/foo-xeno-regression-test.log
>>>
>>>
>>> You should normally use the -l option to use a non default "load", and
>>> run the test for a long time.
>>>
>>> See xeno-regression-test --help and dohell --help
>>>
>>>
>>
>>
>> Jan's fix appears to have solved 1) above, but 2) posix/mprotect is
>> still failing. Thanks for the xeno-regression-test tips; ran a couple
>> more (not for a long time, will do that later).
>
> Can you clarify how your setup looks like? The kernel is a vanilla 3.5.3
> patched with ipipe-core-3.5.3-x86-2.patch? And then you just disabled
> THP? Or did you switch to my for-upstream/3.5 I-pipe branch?
I have merged the bugfixes from your branch in my branch in addition to
other bug fixes, so, I would recommend using this one.
--
Gilles.
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