Ubuntu

Which log file do I have to check when standby fails?

Asked by Celal ERGÜN

I was happy with the standby in 9.10. After upgrading to 10.04 my computer became unable to standby (or hybernate). I checked kernel log, pm-suspend log, messages log etc. My pm-suspend log ends with following part:

/usr/lib/pm-utils/sleep.d/00powersave suspend suspend:success.
/usr/lib/pm-utils/sleep.d/01PulseAudio suspend suspend:Sessions still open, not unmounting
Sessions still open, not unmounting
success.
/etc/pm/sleep.d/10_grub-common suspend suspend:success.
/etc/pm/sleep.d/10_unattended-upgrades-hibernate suspend suspend:success.
/usr/lib/pm-utils/sleep.d/49bluetooth suspend suspend:not applicable.
/usr/lib/pm-utils/sleep.d/55NetworkManager suspend suspend:success.
/usr/lib/pm-utils/sleep.d/75modules suspend suspend:success.
/usr/lib/pm-utils/sleep.d/90clock suspend suspend:not applicable.
/usr/lib/pm-utils/sleep.d/94cpufreq suspend suspend:success.
/usr/lib/pm-utils/sleep.d/95anacron suspend suspend:stop: Unknown instance:
success.
/usr/lib/pm-utils/sleep.d/95led suspend suspend:not applicable.
/usr/lib/pm-utils/sleep.d/98video-quirk-db-handler suspend suspend:success.
/usr/lib/pm-utils/sleep.d/99video suspend suspend:kernel.acpi_video_flags = 0
success.
/etc/pm/sleep.d/action_wpa suspend suspend:success.
Sat May 8 18:20:32 EEST 2010: performing suspend

Now what? Where do I have to look to find the cause?
Thanks in advance guys. Nothing feels like a newbie :)

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Celal ERGÜN
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Sam_ (and-sam) said : 		#1

Consider to file a bug and append dmesg.
You may also take a look in gconf-editor at all the settings of gnome-power-manager and in case compare it with the previous one of Karmic (if you've made a backup dump file), the path is:
/apps/gnome-power-manager

Reference.
https://wiki.ubuntu.com/DebuggingKernelSuspendHibernateResume
https://wiki.ubuntu.com/DebuggingKernelSuspend
http://ubuntuforums.org/showthread.php?s=d9b4e061f7f7058767e9e65390750cf6&t=1469340
http://ubuntuforums.org/showthread.php?p=3066404
http://library.gnome.org/users/gconf-editor/2.28/getting-started.html.en

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Celal ERGÜN (celalergun) said : 		#2

Thank you for the answer. I'm trying them in easy-to-hard order. No success yet (I wish I could remove the Plymouth though, it just hides the messages. When I try to remove it Synaptics warns me to remove all Ubuntu packages;)

Problem isn't solved yet but I'm on it. I will inform you in any case. Thanks again.

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Celal ERGÜN (celalergun) said : 		#3

Hi again, I found this on a Red Hat forum:

"I can confirm, what a1554u2 found out. Same here on FC12 with the newest kernel
2.6.32.12-115.fc12.i686.PAE. After removing my SD-Card (why do I keep that
SD-Card in the reader anyway??) my Thinkpad is able to suspend again. So this
is the way I tested it:

1) SD-Card inside, close lid, reopen -> frozen...
2) Shutdown the Thinkpad (3 sec. Power-switch)
3) Remove SD-Card & switch on again
4) Boot...
5) Try to suspend

After the reboot my network was disabled! I experienced this some time ago, but
not recently. Maybe this is also somehow involved in the issue."

And it worked for me too. I removed the card. Closed the lid, hoping for the best... I saw the led blinking as it is the very expected behavior.

Revision history for this message
Sam_ (and-sam) said : 		#4

Glad you found the culprit, thanks for sharing.