Messages in this thread | | | Date | Fri, 17 Apr 2015 20:15:19 -0700 | From | Nikolaus Rath <> | Subject | Re: Help with debugging intermittent crash on resume from hibernation |
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On 03/19/2015 08:57 PM, Mike Galbraith wrote: > (+CC) > > On Thu, 2015-03-19 at 20:21 -0700, Nikolaus Rath wrote: >> On Mar 13 2015, Nikolaus Rath <Nikolaus@rath.org> wrote: >>> Hello, >>> >>> In about one out of 10 resumes from hibernation, my system resets after >>> the hibernation image has been loaded. I am hibernating using >>> >>> # echo platform > /sys/power/disk >>> # echo disk > /sys/power/state >>> >>> When testing hibernation using >>> >>> # echo core > /sys/power/pm_test >>> # echo platform > /sys/power/disk >>> # echo disk > /sys/power/state >>> >>> I was not able to produce the same failure. >>> >>> I then tried attaching a serial console and booted with >>> console=ttyS0,115200n8 no_console_suspend. For the failed attempt, the >>> last messages before the reset are: >> [...] >> >> I reproduced the same problem with 4.0.0-rc3. Is there anything I can do >> to get more debugging information?
I also found that blacklisting the nouveau module seems to dramatically reduce the occurence of this problem (it only happened once since I blacklisted the module which is probably about ~30 resumes ago).
Is there anything I can do to help debug this issue?
Best, -Nikolaus
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