Re: [linux-pm] Suspend regression, hang after matroxfb

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* Rafael J. Wysocki (rjw@xxxxxxx) wrote:
> On Friday 30 January 2009, Eric Sesterhenn wrote:
> > * Rafael J. Wysocki (rjw@xxxxxxx) wrote:
> > > On Friday 30 January 2009, Eric Sesterhenn wrote:
> > > > * Rafael J. Wysocki (rjw@xxxxxxx) wrote:
> > > > > On Friday 30 January 2009, Eric Sesterhenn wrote:
> > > > > > * Rafael J. Wysocki (rjw@xxxxxxx) wrote:
> > > > > > > On Thursday 29 January 2009, Eric Sesterhenn wrote:
> > > > > > > > hi,
> > > > > > > > 
> > > > > > > > on this box standby worked with 2.6.28, but is broken with 2.6.29-rc3.
> > > > > > > > 
> > > > > > > > Dmesg of startup
> > > > > > > > http://www.cccmz.de/~snakebyte/200.log
> > > > > > > > .config
> > > > > > > > http://www.cccmz.de/~snakebyte/config_200
> > > > > > > > 
> > > > > > > > When testing the devices 
> > > > > > > > 
> > > > > > > > root@computer-desktop:/sys/power# echo devices > pm_test 
> > > > > > > 
> > > > > > > What happens if you replace 'devices' with 'core' ?
> > > > > > 
> > > > > > no change, it hangs after matroxfb
> > > > > > 
> > > > > > root@computer-desktop:/sys/power# echo core > pm_test 
> > > > > > root@computer-desktop:/sys/power# echo standby > state
> > > > > > 
> > > > > [--snip--]
> > > > > > 
> > > > > > > If the same, what happens without the matroxfb driver?
> > > > > > 
> > > > > > It gets a bit further, suspend seems to complete,
> > > > > > but hangs during resume
> > > > > 
> > > > > Please check if the appended patch helps.
> > > > 
> > > > It does help in both cases (with matroxfb enabled and disabled)
> > > > thanks.
> > > 
> > > What machine is that?
> > 
> > I mean the driver enabled in .config.
> > 
> > box is one of my kernel testgrounds running ubuntu intrepid,
> > for .config and dmesg see the links above
> 
> Ah, so this is just a desktop.  OK, thanks.
> 
> I have prepared a final fix that I'd like to push for merging.  Can you please
> test it (it won't apply cleanly to the current -git, but should be easy to fix
> up)?

works for me, thanks

Eric
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