The same problem.
motherboard: GA-M68SM-S2 (GeForce 7025 / nForce 630a / Socket AM2) CPU: AMD Athlon 64 X2 4000+
Graphics card: Asus GeForce 9600GSO 384MB DDR3 192bit PCI-E (185 driver)
Ubuntu 9.10 64bit
uname -a Linux smopi 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x86_64 GNU/Linux
The same problem.
motherboard: GA-M68SM-S2 (GeForce 7025 / nForce 630a / Socket AM2)
CPU: AMD Athlon 64 X2 4000+
Graphics card: Asus GeForce 9600GSO 384MB DDR3 192bit PCI-E (185 driver)
Ubuntu 9.10 64bit
uname -a
Linux smopi 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x86_64 GNU/Linux