Re: [5/6] 2.6.21-rc2: known regressions

From: Michael S. Tsirkin
Date: Tue Mar 06 2007 - 05:49:44 EST


> Quoting Ingo Molnar <mingo@xxxxxxx>:
> Subject: Re: [5/6] 2.6.21-rc2: known regressions
>
>
> * Michael S. Tsirkin <mst@xxxxxxxxxxxxxx> wrote:
>
> > > Quoting Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>:
> > >
> > > 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?

--
MST
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