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. Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
