On Tue, 2007-03-06 at 12:46 +0200, Michael S. Tsirkin wrote: > > Quoting Ingo Molnar : > > Subject: Re: [5/6] 2.6.21-rc2: known regressions > > > > > > * Michael S. Tsirkin wrote: > > > > > > Quoting Linus Torvalds : > > > > > > > > Ok, it does indeed solve the problem for me. > > > > > > Not yet for me unfortunately, although this seems to help. > > > Is this the patch I should have applied? > > > http://lkml.org/lkml/2007/3/5/445 > > > > > > With this applied, on resume I get *some* screen output soon after > > > resume (e.g. with s2ram I get several characters on VGA, X starts > > > drawing some windows) but then the crescent symbol starts blinking > > > again and the system hangs. > > > > could you try this via s2ram on a text console, to see whether the > > kernel spits out any warning before it locks up? > > Yes, that's what I did. Unfortunately only a couple of characters were > shown before it locked up. > > I still need to check what does this do in the NO_HZ configuration. > > BTW, Ingo, can you suspend/resume any number of times with this patch? well I could at least two times in a row in my minimalistic setup (config attached) however using the full kernel config it still hangs ... (config also attached in case you watn to compare it). Soeren -- Sometimes, there's a moment as you're waking, when you become aware of the real world around you, but you're still dreaming.