Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: S2RAM broken on HP 8530p | Date | Thu, 1 Apr 2010 22:08:37 +0200 |
| |
On Thursday 01 April 2010, Parag Warudkar wrote: > > On Thu, 1 Apr 2010, Rafael J. Wysocki wrote: > > > On Thursday 01 April 2010, Parag Warudkar wrote: > > > > > > Running Ubuntu Lucid 64-bit I noticed suspending fails with current git. > > > Unsure since when it started - perhaps a while ago since the stock distro > > > kernel 2.6.32-18 also fails to suspend - albeit little differently - > > > git will fail before shutting off the display, distro one succeeds in > > > shutting off the display and then hangs. > > > > > > Any ideas how to go about debugging this? > > > > Please first try to suspend after echoing 0 to /sys/power/pm_async. > > No change - hangs the same way as before. > > I recall it used to work with prior kernels and so I tried 2.6.31 from > kernel.ubuntu.com/~kernel-ppa/ > > mainline/v2.6.31/ but that fails similarly. > > May be I could try 2.6.30 but from a bisect stand point thats not all that > attractive even if we find it works..
Yeah, kind of.
Please try:
# echo devices > /sys/power/pm_test # echo mem > /sys/power/state
and see if that breaks too (it should get back to the command line in about 5-10 seconds).
Rafael
| |