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

Michael S. Tsirkin
2007-03-06T12:23:58Z

> Quoting Ingo Molnar <mingo@elte.hu>:
> Subject: Re: [5/6] 2.6.21-rc2: known regressions
>
>
> * Michael S. Tsirkin <mst@mellanox.co.il> wrote:
>
> > > > 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?
>
> yeah, i can now suspend/resume an arbitrary number of times, vga,
> network, SATA all works fine after that. (i tried it 5 times)
>
> i also have the patch below applied - but i dont think it should make a
> difference to your case. (maybe it does though)

Nope, system hangs on resume with or without this patch applied.

> I've attached my config as well.

Haven't tried that yet.

--
MST