Re: kernel-testers - finding regressions in the kernel

[brot]

brot wrote:
> 
> I found the specific load. I am running prime torture test, in mode 2:
> 
> 2 = In-place large FFTs (maximum heat and power consumption, some RAM
> tested)
> 
> 1 thread per cpu.
> 
> Prime can be downloaded from:
> http://www.mersenneforum.org/showthread.php?t=9779
> 
> While that test is running, i compile gtkmm-2.12.7 with -j3. I
> remembered that while i had to compile it i really had problems typing.
> And it looks like i was right. in 2.6.25.1 i had some skips in amarok
> while playing an mp3 (just normal short skips, but clearly noticable).
> My typing in kvirc looked like that:
> 
> 
> [11:07:41] <!brot> und nu laggds keyboard auch, aber nur
> manchmaaaaaaaaaaaaaaal
> (..)
> [11:09:18] <!brot> ichh  ababer auch priiiiiiiiiiiiime laaufen
> 
> That happens during normal typing, then i see that kvirc has "stuck" and
> can type normally. then the key during the lagg is repeated like you can
> see above and the other keys i typed are normal again.
> 
> In 2.6.24.3 there is no such problem, so i am starting a bisect test now.
> 
> Have a nice day everyone.
> brot

Just in case you want to know how i distinguished good from bad kernels, and how to reproduce those laggs.

Thanks,
brot


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