[ltp] ! (Re: New ATI Driver) - Mixed luck (words of caution)

[Jan Girlich]

Moin,

D. Sen wrote:
> Having used the new ATI driver for the last three days, I would urge 
> caution on its use. Its failings has forced me to go back to using the 
> open source radeon driver.
> 
> The fglrx driver did seem to work in that it provided DRI as well as 
> ACPI suspend/resume to disk. However, every second suspend/resume cycle 
> caused the following types of error to be posted on the syslog (posted 
> below).
> 
> [...]
> 
> Nov 20 22:52:03 localhost kernel: ------------[ cut here ]------------
> Nov 20 22:52:03 localhost kernel: kernel BUG at 
> drivers/block/ll_rw_blk.c:3034!
> Nov 20 22:52:03 localhost kernel: invalid operand: 0000 [#1]
> Nov 20 22:52:03 localhost kernel: PREEMPT

This is a problem with preemtible kernel. Recompile your kernel with 
deactivated realtime preemption and it should work. I had the same 
problem with an Intel Extreme Graphics 2 chipset.

I don't think it's caused by the ATI driver.

Bye
Jan