Red Hat Bugzilla – Bug 484273
Fonts are not shown correctly with i915 driver.
Last modified: 2009-12-18 02:49:27 EST
Description of problem:
Fonts in the graph area in xmgrace are shown with black boxes surrounding them, and are difficult to read. Occasionally resizing the axes will fix some of the text, or make it worse by rewriting new text over the old text without clearing the background. This seems to only occur on machines with recent integrated Intel graphics cards using the i915 driver, as reported by lsmod. The program is otherwise usable. No data is required to view the bug, it will be obvious immediately upon starting xmgrace.
Version-Release number of selected component (if applicable):
Occurs 100% of the time on the appropriate hardware.
Steps to Reproduce:
1. Procure video hardware using the i915 video driver.
2. Install Fedora Core 10
3. sudo yum install grace
Fonts in the graph are difficult to read.
The fonts should be clear.
Screen shot and hardware parameters of at least two individuals experiencing this problem are available here:
Mistake above, the Version-Release should be:
Version-Release number of selected component (if applicable):
I am trying to replicate the problem. The question is that I don't have any machine here with an intel graphics card. :-(
Without further evidence I suspect that this a bug on the i915 driver.
So for the moment this a note of "work in progress"...
Would it be helpful if I submitted a bug report for the i915 driver? (I don't know if I would do that here or somewhere else, like kernel.org.) Or would it be helpful to test other motif apps? The only two I have and am aware of are OpenDX and Nedit, and in neither of them have I observed this issue. Is there maybe another app I could test?
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, if available) 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 (if you have one) 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.
I am also facing the same problem. i don't have any xorg.conf so grace is not biased to i915
Yes, and could we get the files I asked for from both of you, please?
Created attachment 333628 [details]
Xorg log with no xorg.conf
I'm hitting the same problem.
Created attachment 333633 [details]
/var/log/Xorg.0.log file when no xorg.conf exist
May I request to increase the priority of this bug as we people in research fied depends heavily on xmgrace and also many of my friends hesitating to fc10 because of this problem.
Created attachment 333778 [details]
I have attached my Xorg.log files in the gzipped tar archive. I have no xorg.conf file.
I have the Intel i915 graphic card, and I confirm the same problem. Did someone tryed to investigate if the problem presists even in Fedora 11 ? I will supply later my xorg.0.log file.
Created attachment 333992 [details]
My xorg log file in a standard configuration
Created attachment 333993 [details]
Grace at start
This is how Grace appears when it starts: the fonts corruption is evident.
OK, I can attest that this problem does not show up with other cards. I have tested ATI, nvidia and Sis. That explains why I have not noticed the problem. :-(
I am changing this to xorg-x11-drv-intel since this only happen with intel cards.
I do experience the same kind of problems with a Q965 (Intel) graphic card by using gnome. In addition using KDE, it just aborts.
Switching to versa driver fixes the gnome issue but not the KDE one.
On a x86_64 with Intel graphics no problem.
00:02.0 VGA compatible controller: Intel Corporation 82Q963/Q965 Integrated Graphics Controller (rev 02)
Linux ntmastellone.cira.it 188.8.131.52-170.2.5.fc10.x86_64 #1 SMP Wed Jan 21 01:33:24 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
I have a similar problem, though I'm using a different card and it happens only on certain characters in thunderbird/firefox
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
(In reply to comment #17)
> I have a similar problem, though I'm using a different card and it happens only
> on certain characters in thunderbird/firefox
> 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
> 943/940GML Express Integrated Graphics Controller (rev 03)
Ah yes, and I should mention I'm using the same kernel drivers and I'm using the intel driver for xorg, with no configuration file.
And this is on Fedora 11, interestingly, I didn't see the problem in F10
Finally came across the patch to fix this, please apply it and commit to a new release for F11. I have tested it and it does indeed fix the problem.
Its a relatively minor patch and fixes a reasonably serious issue.
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