Gilles Chanteperdrix wrote:
> Jan Kiszka wrote:
>> Hi Gilles,
>> I'm currently facing a nasty effect with switchtest over latest git head
>> (only tested this so far): running it inside my test VM (ie. with
>> frequent excessive latencies) I get a stalled Linux timer IRQ quite
>> quickly. System is otherwise still responsive, Xenomai timers are still
>> being delivered, other Linux IRQs too. switchtest complained about
>>     "Warning: Linux is compiled to use FPU in kernel-space."
>> when it was started. Kernels are and
>> (LTTng patched in, but unused), both show the
>> same effect.
>> Seen this before?
> The warning about Linux being compiled to use FPU in kernel-space means
> that you enabled soft RAID or compiled for K7, Geode, or any other

RAID is on (ordinary server config).

> configuration using 3DNow for such simple operations as memcpy. It is
> harmless, it simply means that switchtest can not use fpu in kernel-space.
> The bug you have is probably the same as the one described here, which I
> am able to reproduce on my atom:
> Unfortunately, I for one am working on ARM issues and am not available
> to debug x86 issues. I think Philippe is busy too...

OK, looks like I got the same flu here.

Philippe, did you find out any more details in the meantime? Then I'm
afraid I have to pick this up.


Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux

Xenomai-core mailing list

Reply via email to