Stephan Zimmermann wrote: > Hm, updated my machines to 2.6.20 and 2.3.0 rev 2222. I still see ( less > frequent?) some backtraces occuring on my console, either during reboot > or sometimes when running the testprogram and reloading the modules.(see > dmesg snippet below) The Celeron M still crashes often totally. > > My main-application still freezes the SMP mashines if I have 'priority > coupling' enabled in kernel-config. Using trunk makes things even worse. > The pc will crash during startup of my app, the testapp I sendt you > works, but i can not shutdown the pc afterwards, because it freezes > completely when terminating kdm. > > Stephan > > > > dmesg tells me the following (2.3.0.2222, 2.6.20, SMP):
Latest I-pipe version? > > --snip-- > Bad page state in process 'kswapd0' > page:c17f3060 flags:0x80010408 mapping:00000000 mapcount:0 count:0 > Trying to fix it up, but a reboot is needed Something is corrupting kernel memory. I did some remark on your test, let's get back to it: You are running the test at 100 kHz. That /may/ have side-effects like overload, or it might actually trigger some stack overrun. Did you enable the stack checks? Can you confirm the problem occurs also at slower tick rates? Jan
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