Re: Help with debugging intermittent crash on resume from hibernation

From: Nikolaus Rath
Date: Thu Mar 19 2015 - 23:21:11 EST


On Mar 13 2015, Nikolaus Rath <Nikolaus@xxxxxxxx> 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?

Thanks,
-Nikolaus

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