On Thu, 2010-02-04 at 23:05 +0100, Rafael J. Wysocki wrote: > On Thursday 04 February 2010, Chase Douglas wrote: > > Hello all, > > > > I'm testing resume from s3 suspend on Ubuntu Lucid on my macbook > > (version 5,1; nvidia MCP 79 internals). On Ubuntu Karmic, resume > > (usually) works without a hitch. However, on Lucid when I resume the > > disk resumes and the system is partly running, but the display > > (backlight and LCD I think) and ethernet networking do not come back up. > > This occurs when resuming back to X or to a virtual terminal without X > > started. It occurs whether the nvidia or nv kernel modules are loaded or > > unloaded. > > > > What is most interesting is the dependent variable in all of this is not > > the kernel but the user-space. If I run Karmic with the Lucid kernel it > > resumes correctly. If I run Lucid with the Karmic kernel it does not > > resume correctly. I have run a script which essentially does: > > > > 1. suspend (using pm-suspend) > > 2. wait 60 seconds (during which time I resume the machine) > > 3. save dmesg output to the hard disk > > > > I have pored over the dmesg logs from good and bad resumes, but I > > haven't found anything to suggest what the real issue may be. Right now > > I am at a loss as to what I should try next. Does anyone have any > > thoughts as to what I can try to debug this? > > It sounds like the distro is using a specific user-space quirk to handle your > machine. > > Please try if the machine can be suspended by "echo mem > /sys/power/state" > and resumed correctly. I have, but the results are the same. Thanks, Chase _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
