FWIW: with Radeon I see the same crash with Modesetting enabled:
Chipset: "ATI Radeon Mobility 9200 (M9+) 5C63 (AGP)" (ChipID = 0x5c63) Linux xxx 2.6.32-5-powerpc #1 Wed Jan 12 04:47:03 UTC 2011 ppc ppc ppc GNU/Linux
FWIW: with Radeon I see the same crash with Modesetting enabled:
Chipset: "ATI Radeon Mobility 9200 (M9+) 5C63 (AGP)" (ChipID = 0x5c63)
Linux xxx 2.6.32-5-powerpc #1 Wed Jan 12 04:47:03 UTC 2011 ppc ppc ppc GNU/Linux