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Old 08-26-2009, 12:29 AM   #1
Poetics
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Exclamation High CPU load after upgrading to xorg 1.6.3 (-current)


I run a Slackware-current installation on a Dell Inspiron 700m laptop. Several days ago, however, I ran my usual slackpkg upgrade-all and chose to upgrade xorg-server to 1.6.3 (package list is below).

Unfortunately, this has created a situation that renders the GUI portion of this machine all but unusable -- any time the screen needs to be redrawn, the CPU spikes to 100% load (the X process itself) for the duration. This includes while opening new programs, changing focus between programs, opening or closing tabs in Firefox, moving windows, using a scrollbar, or even switching virtual desktops. In short, upgrading has caused the X system to eat up far more CPU than it ever has before.

Xorg.0.log has no additional entries that may account for this behavior, and I haven't seen anything in dmesg that looks promising (granted I don't know exactly what to look for). My xorg.conf was untouched during the upgrade (last modified date is back in early June).

I hope I'm not the only one who has had this problem, and that I will soon join the ranks of those who have solved this problem. Thank you all in advance.

Code:
root@slacktop:/var/log# slackpkg search xorg-server

The list below shows all packages with the selected pattern.

[ installed ] - xorg-server-1.6.3-i486-1
[uninstalled] - xorg-server-xephyr-1.6.3-i486-1
[ installed ] - xorg-server-xnest-1.6.3-i486-1
[ installed ] - xorg-server-xvfb-1.6.3-i486-1
Edit: If I'm not mistaken, I also upgraded my intel drivers at the same time (using slackpkg, upgrading to package xf86-video-intel-2.8.0-i486-1), but again, no change was made to my xorg.conf or other configuration files (there were no .new files at all).
 
Old 08-26-2009, 02:16 AM   #2
disturbed1
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This seems to be a somewhat common problem with Intel video drivers. One version works for model A, while another version is needed for model B. There are quite a few threads about this issue and Slackware-current here at LinuxQuestions.org, and just about every single distro as well.

Look in the extra directory for alternate intel video drivers.
Here's a link for the 32bit drivers
ftp://ftp.osuosl.org/pub/slackware/s...tel-alternate/
 
Old 08-26-2009, 09:07 AM   #3
Poetics
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Thanks much!

Now to track down which version of the drivers I used to use, and to exclude intel from upgrading
 
Old 08-26-2009, 09:18 AM   #4
bassmadrigal
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I will be monitoring this closely, because I also run a Dell 700m with plans to upgrade to 13.0 when it comes out (already running current on my VM).
 
Old 08-26-2009, 08:15 PM   #5
Poetics
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The 2.6.3 gave me the best performance, thanks for the link!

bassmadrigal, have you done anything with the video-out? I've only ever managed to clone the screen, and I was hoping I was just missing something simple to extend my display to another monitor (twinview)
 
Old 08-27-2009, 12:46 AM   #6
bassmadrigal
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I tried back with 12.0 and was unsuccessful. The most I could do was get it cloned or to only run one screen at the proper resolution (was trying with a Samsung 19" LCD @ 1280x1024). I eventually gave up because I ended up building a new desktop computer. After that, I didn't have a need to get it to work, but with my upcoming move into a larger house, I feel I may try this again, so I can get it hooked up to a TV.

I am hoping that things will be simpler with the new xorg version. Because if I remember, some of the articles I was looking at only supported newer xorgs.
 
  


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