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Old 05-06-2011, 05:50 PM   #1
OR13
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Angry Display is very slow and Xorg consuming CPU like crazy after upgrading to Fedora 14


Hello.

Recently, I've upgraded my Fedora 13 system to Fedora 14.
All is well but one - quite important - thing.

The display is UNBELIEVABLY slow, and the xorg process (/usr/bin/Xorg :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-G4lWjL/database -nolisten tcp vt1) consumes up to 99% of the CPU when trying to do very simple things like scrolling page in Firefox.

My video card is an intel i915 built-in card.
I know for years that support for this hardware is not... perfect, but I've been working on this machine for 7 yrs w/o having the problem above, so I know it's possible...

I've seen this thread that seems to be related, but couldn't understand the solution offered there, and the given link is broken :\

I'm attaching my xorg.conf (/etc/X11/xorg.conf), output of lsmod and output of lspci.

Code:
# lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
Code:
# lsmod | grep i915
i915                  242432  3 
drm_kms_helper         22278  1 i915
drm                   139248  3 i915,drm_kms_helper
i2c_algo_bit            4197  1 i915
i2c_core               21552  9 saa7134,v4l2_common,videodev,tveeprom,i2c_i801,i915,drm_kms_helper,drm,i2c_algo_bit
video                  17730  1 i915

This is driving me absolutely crazy,
so I would really appreciate any attempt to help.

Thanks!
Attached Files
File Type: txt xorg.conf.txt (2.5 KB, 3 views)
 
Old 05-07-2011, 02:18 PM   #2
RockDoctor
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I've got revision 3 of the 82845G controller on my Shuttle running F14 - no problem running without an xorg.conf file. I see you've got a few extra goodies enabled in your xorg.conf file; what happens if you comment out the options for Card0?
 
Old 05-08-2011, 02:46 PM   #3
OR13
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Commenting out all Card0 options makes a very small difference, I'm not even sure if for the better of for the worse :/

I must add: deleting xorg.conf altogether made things a LITTLE better, but still there is a lot of improvement in need.

Last edited by OR13; 05-08-2011 at 02:58 PM. Reason: addition
 
Old 05-09-2011, 10:48 AM   #4
RockDoctor
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I guess I'd try partially reverting the xorg upgrade starting with xorg-x11-drv-intel and xorg-x11-server-Xorg and any dependencies. Not fun, but might be worth the effort. I know it's not advisable to mix packages from different releases, but I've done it before with varying results. Just be prepared for a totally borked X - I prepare by keeping local copies of all rpm packages I've downgraded so that I can boot into text mode and upgrade to something that will work (however poorly) without having to go online.
 
Old 05-09-2011, 12:56 PM   #5
PTrenholme
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You might check to see if your F14 turned on compriz. That can be quite a resource hog. Oh, also check the amount of memory you BIOS is letting the 915 chip use. (On this decade old system I'm using [ATI video, not Intel], the BIOS was letting the display system use 64M. I got a vast improvement when I upped it to 256M - the max the BIOS would allow.)

Also, I got better performance with the XFCE desktop than either GNOME or KDE could provide. You might try moving to XFCE4 to see if it satisfies your needs.
 
Old 05-13-2011, 12:26 PM   #6
OR13
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Thank you both for your replies,
and special thanks to PTrenholme -
your advice of boosting AGP Aperture Size to 256MB made my user experience MUCH MUCH better.

Thank you, and I hope this will help others as well
 
Old 05-13-2011, 01:48 PM   #7
John VV
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a upgrade ????
just HOW did you go about that ?
Did you use the recommended "preupgrade" ( assuming your /boot partition is 500meg + )
or did you use the install dvd and select "upgrade an existing install "
-- if a clean new install then ignore below -- still the BEST way to "upgrade"

fedora 14 removed and used some different programs .
So i am guessing that there are more than the normal 3 to 6 fedora 13 rpms still installed
That there are still some "orphaned" fedora 13 programs .

Did you install "yum-utility" ??
and run the package clean up ?

to see just what of fedora 13 is still installed on fedora 13 run
Code:
rpm -qa | grep fc13

Last edited by John VV; 05-13-2011 at 01:54 PM.
 
  


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