Red Hat Bugzilla – Bug 467190
Xserver version 1.5.0 sluggish performance
Last modified: 2018-04-11 04:55:51 EDT
Created attachment 320536 [details]
Xserver log file
Description of problem:
After upgrading to Xserver version 1.5.0 I noticed its performance is sluggish compared to version 1.4.99. There is also entry in xorg mailing list about this problem: http://lists.freedesktop.org/archives/xorg/2008-September/038500.html. It seems that the solution is to upgrade to version 1.5.1. Can someone confirm that this solution works, and if it works is there a chance that version 1.5.1 hits fedora updates repositories?
Version-Release number of selected component (if applicable):
xorg-x11-server-Xorg.i386 version 1.5.0-2.fc9
Just use version 1.5.0 and compare its performance to version 1.4.99
Steps to Reproduce:
Performance as good as it was with version 1.4.99
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and let X11 autodetect your display and video card? Attach to this bug /var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Could you please try to reboot the whole system with adding nomodeset to the
kernel command line, please? Does the performance improve? Could we get
/var/log/Xorg.*.log from such exercise as well, please?
In case it does improves with nomodeset, it looks like a duplicate of bug 467506.
Created attachment 320738 [details]
my manually modified xorg.conf
Created attachment 320789 [details]
Xserver log file with automatically created xorg.conf
Adding nomodeset to kernel command line didn't improve performance. But deleting the xorg.conf and rebooting Xserver did. Now desktop feels faster and snappier. But it is still noticable slower compared to Xserver 1.4.99 with EXA acceleration turned on. EXA acceleration is essential to me because I use ati X1650pro graphic card which only supports textured Xv, which only works if EXA acceleration is turned on, and I watch a lot of videos on my fedora box. All this sounds like the problem mentioned in xorg mailing list, but I could be wrong.
I've added nomodeset and my machine fails to boot properly, I get GRUB and then nothing more. I have ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500] rev 0
I've also tried xorg-x11-server 1.5.2 packages from koji:
Linux localhost.localdomain 126.96.36.199-30.rc1.fc10.i686 #1 SMP Mon Oct 20 01:35:32 EDT 2008 i686 i686 i386 GNU/Linux
Sorry, I was incorrect in stating the behavior with nomodeset. When I try nomodeset I do not get a prompt for my LUKs password. It boots fine up to that point.
Created attachment 321025 [details]
Xorg.0.log ATI Mobility 7500
Created attachment 321026 [details]
xorg.conf ATI Mobility 7500
(In reply to comment #8)
> Sorry, I was incorrect in stating the behavior with nomodeset. When I try
> nomodeset I do not get a prompt for my LUKs password. It boots fine up to that
Have you tried typing it blindly? It is just messed in middle of the screen full of text.
Typing the password blindly just echos it back to my screen. I also get the oops described in RHBZ 469119 when using the nomodeset option.
This seems to go somewhere to the kernel-lang. Can we get /var/log/messages and /var/log/dmesg attached to this bug report, please?
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