[arch-general] Last Updates w/kernel 2.6.33.4-1 -> 2.6.34-2 broke radeon driver for RS690M cards

[宇钟]

On Tue, Jun 29, 2010 at 1:15 PM, David C. Rankin
<drankinatty at suddenlinkmail.com> wrote:
> On 06/28/2010 04:44 AM, Damien Churchill wrote:
>>
>> On 28 June 2010 10:35, Paul Ezvan<paul at ezvan.fr>  wrote:
>>>
>>> Le dimanche 27 juin 2010 à 13:19 -0500, David C. Rankin a écrit :
>>>>
>>>> Guys,
>>>>
>>>>       Just updated my laptop's spare drive and something in the last set
>>>> up updates,
>>>> which included the kernel, really affected the radeon driver badly. It's
>>>> almost
>>>> like I am back running in framebuffer mode. I'm not quite sure where to
>>>> start
>>>> troubleshooting as I am not familiar at all with the changes kms
>>>> introduced into
>>>> the radeon driver soup, but I suspect that may be where the problem
>>>> lies. I have
>>>> no xorg.conf, so if there are config issues, it's with the default
>>>> config.
>>>>
>>> [...]
>>>>
>>>> [    37.526] is imortant (WW) RADEON(0): Direct rendering disabled
>>>> [    37.526] (II) RADEON(0): Acceleration disabled
>>>>
>>>
>>> Last time I had this problem with a radeon card, it was because of a
>>> missing firmware (R700rlc in my case). Maybe you should search in this
>>> direction ?
>>>
>>
>> The linux-firmware package now contains all the required firmware for
>> drivers now, IIRC.
>>
>
> Thanks Paul, Damien & C. Anthony:
>
>        At least we have narrowed it down some. I'll look for some stray
> firmware, but for the past 1.5 years with the same laptop, I have never
> needed any additional firmware for this ATI x1200 card (RS690M chip). I
> don't put it past being a problem with the firmware in the kernel or
> somewhere in the new packages.
>
>        As part of the troubleshooting, I will probably need to downgrade to
> the last set of packages and kernel. What's the best way to downgrade the
> kernel? Is this a 'pacman -Sf' issue or a 'pacman -Uf' issue?  I still have
> the old kernel packages on my box that I can reinstall locally if that
> changes the equation any.
>
>        Thanks for any help you can give.
>
>
> --
> David C. Rankin, J.D.,P.E.
> Rankin Law Firm, PLLC
> 510 Ochiltree Street
> Nacogdoches, Texas 75961
> Telephone: (936) 715-9333
> Facsimile: (936) 715-9339
> www.rankinlawfirm.com
>
So do i!BUMP