Using 2.4.2 handels the following case fine: Section "ServerLayout" Identifier "MainLayout" Screen "IntelDualScreen" ..some input devices.. EndSection Section "Screen" Identifier "IntelDualScreen" Monitor "IBMdual" Device "inteldualdrv" DefaultDepth 16 SubSection "Display" Depth 16 Virtual 2800 1600 EndSubSection EndSection Section "Device" Identifier "inteldualdrv" Driver "intel" Option "monitor-HDMI-2" "HP2035dual" Option "monitor-HDMI-1" "IBMdual" EndSection Section "Monitor" Identifier "HP2035dual" Option "Position" "1200 0" Option "Rotate" "left" EndSection Section "Monitor" Identifier "IBMdual" Option "Rotate" "left" EndSection FYI: I run both monitors at 1600x1200 (rotate that'd be 1200x1600). Under 2.4.2 this works ok, except for the strange Virtual definition. Reducing either value results in overlapping screens. 2800 seems to come from some sort of 1200+1600. I have no clue why. The second problem is the upgrade to 2.6.2. 2.6.2 fails to accelerate and every screen update takes half a second. What puzzles me is that I toyed around with xorg.conf a bit (reducing it to a single screen xorg.conf), and the moment I put Rotate "left" in there, acceleration fails. So, I'd call that a regression from 2.4.2. Here are these two cases http://clemens.endorphin.org/debugX11/ - I guess the Xorg.log files won't be of any help, because if you diff them there is no additional error message: DRI fails in boths cases (fails=swrendering). DRI doesn't fail with 2.4.2 btw. I would greatly appreciate any insights into this. I also appologize for the rather unmaintained state of my Xorg.conf.
I guess we'd better start from the single display problem with rotation. I'm meeting rotation issue with tiling on (bug#20265). Does setting tiling off works for you?
Thanks for the reply. No, Tiling does not change the overall problem. I also tried with a single screen. Not even regular rotation works for me in an acceptable way. I made a video of the problem http://www.youtube.com/watch?v=SIFGgrYkqXM
Just a quick note: The Dma initialization problem worried me, so I upgrade to 2.6.29-rc7 and indeed it fixed the Dma initialization problem. According to the log DRI seems work. But rotation acceleration doesn't seem to be related to DRI in any way. :/ Btw I also tried with xf86-video-intel-2.6.3. No changes to the situation. Can someone confirm the slowdown with a simple "xrandr -o left"?
Same problem here with my tablet PC equipped with Intel 965GM. In any rotated state (90, 180, 270 degrees) not just 3D acceleration, but whole desktop is awfully slow: moving windows, scrolling pdf's, web-pages, etc. Screen refresh rate seems to be about 2 - 5 herz. I have noticed this bug after just another update of XOrg packages. About my system... I'm using openSUSE 11.1 with XOrg repository: xorg-x11-driver-video-7.4-74.3 Model: Mesa DRI Intel(R) 965GM 20090316 2009Q1 RC1 Driver: 2.0 Mesa 7.4-rc1 (I don't know how to convert openSUSE package numbers to actual xf86-video-intel version. If you know how, please let me know.)
Jesse - as you are the one that this bug is assigned to - can you confirm the problem with a simple xrandr -o left?
No I haven't tried reproducing this yet, but I've heard of similar problems on ATI, which would indicate a server problem...
There is no server version change between my tests for 2.4.x and 2.6.x.
With all due respect, this is not just a minor functionality regression. 2.6.x is completely unusable for me. One month passed and my question for a single "xrandr -o left" is still unanswered. This "works-for-you?" check takes 10 seconds. Please Jesse, take time for this very simple check. It would at least help me to figure out whether this is a configuration problem or not. Could http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=e964d4e53af3a47de6d09c884be1cc0044d03bea or http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=087f72e1f5d7d11b8795ba80a842874f5a9bb01d be related?
(In reply to comment #8) > With all due respect, this is not just a minor functionality regression. 2.6.x > is completely unusable for me. > > One month passed and my question for a single "xrandr -o left" is still > unanswered. This "works-for-you?" check takes 10 seconds. Please Jesse, take > time for this very simple check. It would at least help me to figure out > whether this is a configuration problem or not. Sorry Clemens, 10min * 50+ bugs assigned to me is nearly 10 hours of time, I have to prioritize. I'll dig into this one when I can... Last time I tried rotation (yesterday) I didn't notice any huge slowdown, but I didn't push it very hard either. > Could > http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=e964d4e53af3a47de6d09c884be1cc0044d03bea It's definitely possible that some of the tiling related changes are to blame here. Also have you tried using UXA as your accelmethod?
I tried UXA today. It was a somewhat mixed experience. First, UXA seems to strongly dislike failing mtrr allocations from kernel drm (The reason for these allocation failures seems to come from overlap in mtrr ranges as I have 4GB of memory). However, I removed a memory brick to try and UXA started to work on a single screen. Even xrandr -o left gave me a somewhat slugish but much better acceleration. However, putting 'Option "Rotate" "Left"' into xorg.conf made my X fail to draw any picture. Further, dual screen doesn't work for me at all. Neither rotated nor normal. (Framebuffer console cloning worked however) I do not plan to persue this bug any further. I will switch graphic chipsets, sorry.
Gordon, since Clemens won't pursue this further you can close this unless your team can reproduce (I can't).
> Gordon, since Clemens won't pursue this further you can close this unless your team can reproduce (I can't). Does this mean, that rotated display refresh rate and acceleration in your system is the same as in normal position? After a couple of updates from openSUSE XOrg repository My Intel GM965 system is still extremely slow in rotated state. From Xorg.0.log: Loading /usr/lib64/xorg/modules//drivers/intel_drv.so Module intel: vendor="X.Org Foundation" compiled for 1.6.0, module version = 2.6.99 Tried these options, none of them helped. Option "AccelMethod" "UXA" Option "Tiling" "No" What should I do? Should I open bug report for GM965? As I understand this one is for Q45.
Jesse, I can't reproduce this either.
Andrey, yes it's working fine for me (though I usually use xrandr --output LVDS --rotate right/left/normal instead of xrandr -o). If you're still seeing issues with the 2.7.0 release and rotation, please try to collect profiling information (using sysprof or oprofile) so we can see where the CPU might be spending time. Thanks.
Oh and open a separate bug from this one.
> If you're still seeing issues with the 2.7.0 release and rotation, please try > to collect profiling information (using sysprof or oprofile) so we can see > where the CPU might be spending time. Thanks. Yes, still seeing this problem with 2.7.0. Bug already opened: https://bugs.freedesktop.org/show_bug.cgi?id=21570 At the moment I don't know anything about system profiling. Just a link to some sort of FAQ or manual, how to do it for X.Org will be enough. Thanks!
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