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Old 09-28-2012, 11:59 PM   #1
trist007
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Registered: May 2008
Distribution: Slackware
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When I use pm-suspend, there's a black screen when I try to resume...


Slackware 13.37 32 bit.

After I try to awake the computer from a pm-suspend it stays stuck on black screen and I'm forced to hard reboot. What log file can I take a look at? Might it be my graphics driver? What should I look for?

-Tristan
 
Old 09-30-2012, 06:09 PM   #2
serafean
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Registered: Mar 2006
Location: Czech Republic
Distribution: Gentoo, Chakra
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Hi,

/var/log/messages might give you a hint as to what device is causing trouble.
How I went about debugging suspend : disconnect all non critical external devices; try suspending. (check log).
don't start X, try suspending directly from console (both using pm-utils, and only telling the kernel "echo mem > /sys/power/state" ).
Last was trying out newer kernel versions/suspend systems (meanint tuxonice vs default). Eventually it just started working...

Serafean.
 
  


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