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 2.6.28.9/ipipe-x86-2.2-07 and >> 2.6.29.3/ipipe-x86-2.3-01 (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: > https://mail.gna.org/public/xenomai-help/2009-04/msg00200.html > > 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. Jan -- Siemens AG, Corporate Technology, CT SE 2 Corporate Competence Center Embedded Linux _______________________________________________ Xenomai-core mailing list Xenomai-core@gna.org https://mail.gna.org/listinfo/xenomai-core
