On Wed, Aug 12, 2015 at 05:53:55PM -0700, Mike Larkin wrote: > On Wed, Aug 12, 2015 at 02:09:21PM +0200, [email protected] wrote: > > >Synopsis: Unable to go into sleep/hibernate, screen goes blank - machine > > >runs > > >Category: system > > >Environment: > > System : OpenBSD 5.8 > > Details : OpenBSD 5.8 (GENERIC.MP) #1235: Mon Aug 10 06:54:34 MDT > > 2015 > > > > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > > > Architecture: OpenBSD.amd64 > > Machine : amd64 > > >Description: > > when going to sleep via zzz or closing the lid on the laptop the > > machine the log /var/log/daemon tells apmd: system suspending. Immediately > > after it says system resumed from sleep and start issuing dhcp requests. At > > no point is the machine nonresponsive if logged in from the another > > machine. The problem is that the screen and keyboard appears to sleep, but > > everything else is still on. I have tried 5.6, 5.7 and daily snapshots for > > 3 weeks. Machdep.lidsuspend=0|1, various settings in BIOS, updating BIOS - > > all with the same result. > > >How-To-Repeat: > > start apmd, press zzz or close lid. > > >Fix: > > None known. > > Based on this email and other's we've exchanged, I believe this is > actually two different problems: > > 1. You are waking spontaneously, probably a botched GPE or we didn't > eval _PSW properly on some of these objects. The fact that you say the > machine resumes immediately from S3 (zzz) *and* S4 (ZZZ) *and* S5 > (halt -p) implies one of these S5 resume devices is firing unexpectedly. > > LANC(S5) PCIB(S5) RP03(S5) NIC_(S5) RP04(S5) WNIC(S5) HST1(S5) > > 2. You have broadwell video, and we already know we don't do well > resuming that. That's why your video doesn't repost after S3 (zzz) but > works fine after S4 (ZZZ). I'm afraid there's not much you can do here > except wait for better support (which some devs are working on), or > use ZZZ instead until proper broadwell support goes in. > > I will see if I can track down if I can tell which device is doing > the wake, and will work with you off-list. > > -ml
This seems to be a problem with Linux as well: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1470723 .. still investigating. -ml
