Re: How to debug system freeze?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


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


Mulyadi Santosa
Freelance Linux trainer and consultant


Kernelnewbies mailing list

[Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Networking]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]

Add to Google Powered by Linux