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Old 06-27-2010, 06:19 PM
"David C. Rankin"
 
Default Last Updates w/kernel 2.6.33.4-1 -> 2.6.34-2 broke radeon driver for RS690M cards

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.


When I updated to the 2.6.33 kernel (2.6.33.4-1), I was ecstatic. The radeon
driver was working the best I had ever seen it. Heat control was much better and
frame rate had almost quadrupedaled and compiz worked great. IIRC, I even
posted here giving kudos to the devs on how good it was working. With the update
to 2.6.34-2, it is worse than ever before. Specifically, compiz will no longer
run -- it just whitescreens. (usually a problem with the driver NOT being
loaded). However, in this casee, all of the radeon modules are loaded:


[01:10 alchemy:/home/david] # lsmod | grep rad
radeon 790145 2
ttm 45713 1 radeon
drm_kms_helper 23740 1 radeon
drm 162265 4 radeon,ttm,drm_kms_helper
i2c_algo_bit 5071 1 radeon
i2c_core 18364 5 radeon,i2c_piix4,drm_kms_helper,drm,i2c_algo_bit

The biggest problem with the new packages is HEAT. We are now back to the point
where the heat generated by the gpu and driver makes it uncomfortable to rest
your palms on the palm-rest to type.


I don't know where to start looking. The Xorg.0.log isn't that remarkable at
all. The only things that stand out are:


[ 36.790] (II) UnloadModule: "fbdev"
[ 36.790] (EE) Failed to load module "fbdev" (module does not exist, 0)

** from earlier discussions, this is no big deal IIRC

[ 37.526] is imortant (WW) RADEON(0): Direct rendering disabled
[ 37.526] (II) RADEON(0): Acceleration disabled

** this doesn't look good. I guess it means no DRI -- why is the question? I
know DRI is important to compiz and I'm fairly sure dri was working with the
last kernel/radeon driver combination. The difference between the setup with
2.6.33 and 2.6.34 is day and night.


Also, the color in thunderbird has gone green -- literally. My normal dark gray
message background is now green. I guess this is somehow related to the driver
issue. The full Xorg.0.log and a screenshot of green tbird are here:


http://www.3111skyline.com/dl/bugs/Archlinux/Xorg.0.log

http://www.3111skyline.com/dl/bugs/Archlinux/green-tbird.jpg

I'm not sure where to start with this problem, with the xf86-video-ati package
or with the kernel? What say the gurus?





--
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

--
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

--
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
 
Old 06-28-2010, 09:35 AM
Paul Ezvan
 
Default Last Updates w/kernel 2.6.33.4-1 -> 2.6.34-2 broke radeon driver for RS690M cards

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 ?

Paul
 

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