Bug#435040: xserver-xorg-video-ati: switching VT from console to X freezes computer with X22 (Radeon Mobility M6 LY)

[Michel Dänzer <daenzer@debian.org>]

On Mon, 2007-08-06 at 11:43 +0300, Kari Pahula wrote:
> On Mon, Aug 06, 2007 at 10:14:35AM +0200, Michel Dänzer wrote:
> > Does explicitly loading the "int10" module in the xorg.conf section
> > "Module" work around it?
> 
> Yeah, that seemed to fix it.  This is what I see in the log after
> switching the VT to X:
> 
> (II) Open ACPI successful (/var/run/acpid.socket)
> (WW) RADEON(0): zero MEMSIZE, probably at D3cold. Re-POSTing via int10.
> (II) RADEON(0): Primary V_BIOS segment is: 0xc000
> (II) Configured Mouse: ps2EnableDataReporting: succeeded

So apparently the driver doesn't make sure the module is loaded before
calling its function.


> There's a delay of more than 15 seconds (mostly calling FBIOPUTCMAP
> ioctl and gettimeofday, apparently) after the V_BIOS entry and before
> X is usable, but at least the VT switches without any screen freezes
> with int10.  But those delays are a separate issue altogether.

Does not using Option "UseFBDev" make any difference for this?


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer