Re: 2.6.29-rc breaks STD using Intel 945

[Rafael J. Wysocki]

On Sunday 08 March 2009, Rolf Eike Beer wrote:
> Sitsofe Wheeler wrote:
> > On Wed, Mar 04, 2009 at 08:20:56PM +0100, Rolf Eike Beer wrote:
> > > I tested several snapshots post 2.6.28 and all of them show one severe
> > > problem: resume from disk is not always successful. Only about 50% of the
> > > resume attempts work, in the other cases I just get a completely black
> > > screen, can't switch to text console or anything. What I often get is a
> > > line like this in the logs directly before suspend:
> >
> > Does this happen when X hasn't been started and you suspend to disk then
> > resume?
> 
> I tested several times without X, with X running only in backgroud (i.e. me 
> initiating the suspend from console) and from xdm only. Never it froze. That 
> leads me to the conclusion that it is probably related to composite. I'm 
> using KDE 4.2.

That's most probably correct.

> Here is the corresponding section from Xorg.conf:
> 
> Section "Device"
>   BoardName    "945 GM"
>   BusID        "0:2:0"
>   Driver       "intel"
>   Identifier   "Device[0]"
>   Option       "NoDDC"
>   Option       "usevnc" "no"
>   VendorName   "Intel"
>   Option      "ExaNoComposite" "false"
>   Option      "MigrationHeuristic" "greedy"
> EndSection

It may be related to freedesktop bug at
https://bugs.freedesktop.org/show_bug.cgi?id=17638

Thanks,
Rafael
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