Ubuntu
linux package

  1. Bug #760842
  2. Comment #25

Comment 25 for bug 760842

Revision history for this message
HwRhymes (hanswurst-deactivatedaccount) wrote :

@Phillip Susi: That was a really interesting hint! Here are my results using
sudo sh -c "echo 'core' > /sys/power/pm_test"

1. GPU present (with Nvidia driver), fans kept running and machine was stuck (no ping, no keyboard, no video signal). dmesg after reboot:
http://pastebin.com/wpmxaU3C

2. No GPU present (but Nvidia driver still installed), it correctly suspended and resumed after a few seconds.
dmesg:
http://pastebin.com/UMt1aj2q

3. GPU present (Nvidia driver removed, nouveau driver installed), it correctly suspended and resumed after a few seconds.
dmesg:
http://pastebin.com/wC6VitEc

------
4. no echo "core"
GPU present, Nvidia driver removed, nouveau driver installed, regular pm-suspend ---> machine stuck and multiple reboots