Messages in this thread | | | From | Eric Anholt <> | Subject | Re: [2.6.36-rc2 regression] X201s: resume-from-S2R hangs | Date | Tue, 07 Sep 2010 10:12:34 -0700 |
| |
On Mon, 6 Sep 2010 02:05:36 -0700, Andy Isaacson <adi@hexapodia.org> wrote: > I have a Thinkpad X201s on which suspend-to-RAM was quite reliable until > after 2.6.36-rc1; with problematic kernels, suspend seems to work OK > (the machine goes to sleep with the moon LED steadily lit) but on resume > the LCD never lights up (and it's not just the backlight, the screen > isn't drawing at all) and the keyboard and network are dead. Nothing > makes it to syslog, either. The moon LED is turned off though. > > There seems to be some timing component to the problem -- some problem > kernels will suspend reliably 25% or 50% of the time and hang the rest. > There also seems to be some per-reboot state involved; one problem > kernel suspended successfully and survived 25 suspends in a row without > triggering a failure. (But after a reboot, the first suspend hung...) > Other problem kernels fail on 4 out of 4 reboots. > > Bisecting is pretty hard under these conditions, but it seems to point > to
Weird. That's exactly the hardware that I tested RC6 on, and I haven't seen a single resume failure on mine. Sounds like time to revert for this release. [unhandled content-type:application/pgp-signature] | |