I am having the same problem on an IBM ThinkPad T60 running up to date Lucid. Here is the lspci output for the video card:
01:00.0 VGA compatible controller: ATI Technologies Inc M52 [Mobility Radeon X1300]
When i added radeon.modeset=0 with the kernel options, the problem appears to have gone away, and has stayed away for about 12hrs.
I am having the same problem on an IBM ThinkPad T60 running up to date Lucid.
Here is the lspci output for the video card:
01:00.0 VGA compatible controller: ATI Technologies Inc M52 [Mobility Radeon X1300]
When i added radeon.modeset=0 with the kernel options, the problem appears to have gone away,
and has stayed away for about 12hrs.