Bug 769941

Summary: Mesa upgrade causes bad font rendering
Product: [Fedora] Fedora Reporter: Pavel Šimerda (pavlix) <psimerda>
Component: mesaAssignee: Adam Jackson <ajax>
Status: CLOSED WORKSFORME QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 16CC: ajax, mcepl, mcepl
Target Milestone: ---   
Target Release: ---   
Hardware: i686   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-12-23 21:17:43 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
Information about the update that caused the symptoms to disappear none

Description Pavel Šimerda (pavlix) 2011-12-22 19:43:50 UTC 
Description of problem:

Some sizes of various fonts in various applications have blank spots
in glyphs.

Version-Release number of selected component (if applicable):

mesa-*-7.11.2-1.fc16

How reproducible:

Always

Steps to Reproduce:
1. Open gnome-terminal, firefox or another application where you can change font size
2. Change font sizes between smaller and bigger sizes.
3. Observe artifacts in glyphs.
  
Actual results:

Some font sizes (the common ones) have artifacts, blank spots.

Expected results:

Fully rendered glyphs.

Additional info:

'yum downgrade' downgrades the packages to mesa-*-7.11-8.fc16.i686

mesa-*-7.11-8.fc16.i686 works without problem.

lspci:

00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
Comment 1 Matěj Cepl 2011-12-23 07:29:10 UTC 
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 add drm.debug=0x04 to the kernel command line, restart computer, and attach

* your X server config file (/etc/X11/xorg.conf, if available),
* X server log file (/var/log/Xorg.*.log*; check with grep Backtrace /var/log/Xorg* which logs might be the most interesting ones, send us at least Xorg.0.log)
* output of the dmesg command, and
* system log (/var/log/messages)

to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above.

We will review this issue again once you've had a chance to attach this information.

Thanks in advance.
Comment 2 Pavel Šimerda (pavlix) 2011-12-23 21:14:55 UTC 
Created attachment 549386 [details]
Information about the update that caused the symptoms to disappear
Comment 3 Pavel Šimerda (pavlix) 2011-12-23 21:17:43 UTC 
After last update (in attachment above) the symptoms disappeared. Cannot reproduce any more.