Re: Resume from S2R fails after dpm_resume()

Pavel Machek
2007-03-02T14:13:11Z

Hi!

> I instrumented 2.6.21-rc1 base/power/resume.c device_resume() with
> TRACE_RESUME(0) as the last statement in the function. Sure enough it
> was the last hash value in the RTC after a hard reboot when resume failed:
>
> [ 12.028820] hash matches drivers/base/power/resume.c:104
>
> The machine appears to be absolutely wedged after initiating resume by
> pressing the power button. The disk flashes for a half second or so,
> then thats it.
>
> It is a Dell XPS, BIOS rev A04. I'm using 'echo 1 > /sys/power/pm_trace;
> echo mem > /sys/power/state' to initiate the S2R sequence.
>
> Any suggestions on where to go from here?

Did it work ok in 2.6.20? Can you try to get video working/get serial
console/something?
Pavel
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