Re: How to debug system freeze?
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Hi... On Fri, Feb 24, 2012 at 02:52, Łukasz Sowa <luksow@xxxxxxxxx> wrote: > Hi, > > I'm experiencing strange bug when I close lid of my laptop - system > freezes (no reaction on keys, no response form ssh) hard and displays > some strange colour effects. The kernel log (after reboot) shows > nothing. My question is - how to debug it? Maybe there's a way to track > last called kernel function or something similar? Hm, sounds like a bug during suspend. Perhaps you can do "strace pm-suspend". And/or enable CONFIG_DETECT_SOFTLOCKUP. And hopefully you can pinpoint the related syscall or kernel instruction that leads to the bug -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
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