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

[Kari Pahula <kaol@debian.org>]

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


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.

Thanks.