On Monday, June 14, 2010, Rafał Miłecki wrote: > 2010/6/14 Rafael J. Wysocki <r...@sisk.pl>: > > On Monday, June 14, 2010, Alex Deucher wrote: > >> On Mon, Jun 14, 2010 at 10:53 AM, Rafael J. Wysocki <r...@sisk.pl> wrote: > >> > Alex, Dave, > >> > > >> > I'm afraid hibernation is broken on all machines using radeon/KMS with > >> > r300 > >> > after commit ce8f53709bf440100cb9d31b1303291551cf517f > >> > (drm/radeon/kms/pm: rework power management). At least, I'm able to > >> > reproduce > >> > the symptom, which is that the machine hangs hard around the point where > >> > an > >> > image is created (probably during the device thaw phase), on two > >> > different > >> > boxes with r300 (the output of lspci from one of them is attached for > >> > reference, the other one is HP nx6325). > >> > > >> > Suspend to RAM appears to work fine at least on one of the affected > >> > boxes. > >> > > >> > Unfortunately, the commit above changes a lot of code and it's not too > >> > easy to > >> > figure out what's wrong with it and I didn't have the time to look more > >> > into > >> > details of this failure. However, it looks like you use .suspend() and > >> > .resume() callbacks as .freeze() and .thaw() which may not be 100% > >> > correct > >> > (in fact it looks like the "legacy" PCI suspend/resume is used, which is > >> > not > >> > recommended any more). > >> > > >> > >> Does it work any better after Dave's last drm pull request? > > > > Nope. The symptom is slightly different, though, because now it hangs after > > turning off the screen. > > "Just" turning the screen off (like dpms force off) or turning it off > while suspending?
Turning it off while suspending. > Maybe it could be worth enabling drm.debug option and logging using > netconsole or similar... That doesn't work during suspend, unfortunately. Perhaps I'll try to use a serial console if I don't fugure out what's wrong. Rafael _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
