On Friday, 4 May 2007 18:08, Guilherme Salgado wrote: > On 5/4/07, Guilherme Salgado <gsalgado@xxxxxxxxx> wrote: > > On 5/4/07, Joerg Platte <lists@xxxxxxxxx> wrote: > > > Am Freitag, 4. Mai 2007 schrieb Guilherme Salgado: > > > > > > > This is what my hibernation script does, but I did it manually hoping > > > > that waiting a few seconds between changing /sys/power/disk and > > > > /sys/power/state could solve the problem. Unfortunately, it didn't; I > > > > still get no sound after resuming. > > > > > > I had a similar problem with a recent kernel (but not with 2.6.21-rc7) on my > > > T40p. Sound was lost after suspend-to-disk but could be re-activated by > > > suspending to RAM. I did not further debug this, because I'm using suspend to > > > disk regularly. You can try to suspend to RAM to see if it helps. > > > > > > > Yeah, I've heard reports that suspending to RAM brings the sound back, > > but that's not really a solution to the problem. The last kernel I > > tried was 2.6.21-rc4 and it has the problem; I'll pull the most recent > > one and give it a try. > > > > Just tested and sound works fine after resuming a 2.6.21 kernel. > > I just manually suspended my thinkpad twice. The first time with > /sys/power/disk set to 'shutdown' and the second with it set to > 'platform'. In both cases I got sound after resuming. IOW, the problem > seems to be fixed. > > Since I'd like to get this fix into Ubuntu's kernel, I guess I'll have > to play with git bisect some more. I'd appreciate any hints as to what > revision could have fixed this. I know for sure that it wasn't fixed > on 2.6.21-rc4 but it's fixed in 2.6.21. I'm afraid I can't help you much with that. I'd probably concentrate on the ACPI-related changes and the changes related to timers (hrtimers, NO_HZ etc.). Greetings, Rafael - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
