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

[D. Sen]

Hi Jan,

Thanks. I have a 2.6.13 kernel built with realtime preemption and its 
totally stable. Is this a bug with the 2.6.14 kernel then?

Cheers,
DS

Jan Girlich wrote:
> 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