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suspend-to-disk doesn't work with DRI on albook with ATI Radeon 9600


Since upgrading to Xorg 7.0 I have 3D accelerated graphics working with
DRI and the r300 driver. But this breaks suspend-to-disk. The computer
resumes, but X does not restart. I have to kill the X server and restart
it manually. 

If I disable DRI (by not loading the X module) suspend-to-disk works
just as with xorg 6.8 (where AFAIK the r300 driver did not work and DRI
was disabled by default).

Suspend-to-RAM works even with DRI enabled.

Is there a way to make X handle suspend-to-disk even if DRI is enabled
or is this just not (yet) supported? Anything I could do to further
debug the problem?


Hardware/Software information:
$ lspci
0000:00:10.0 VGA compatible controller: ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]

$ cat /proc/cpuinfo
processor       : 0
cpu             : 7447A, altivec supported
clock           : 1666.666000MHz
revision        : 0.5 (pvr 8003 0105)
bogomips        : 33.15
timebase        : 8320000
platform        : PowerMac
machine         : PowerBook5,8
motherboard     : PowerBook5,8 MacRISC3 Power Macintosh
detected as     : 287 (PowerBook G4 15")
pmac flags      : 00000019
L2 cache        : 512K unified
pmac-generation : NewWorld

$ uname -r

xserver-xorg-video-ati Version: 1: (Debian Package)

Ever tried. Ever failed. No matter.
Try again. Fail again. Fail better.
~ Samuel Beckett ~

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