Bug 749003

Summary: graphics corruption with FirePro 2260
Product: [Fedora] Fedora Reporter: Matthew Woehlke <mwoehlke.floss>
Component: xorg-x11-drv-atiAssignee: Jérôme Glisse <jglisse>
Status: CLOSED WONTFIX QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 14CC: xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard: [cat:rendering]
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: 738790 Environment:
Last Closed: 2012-08-16 13:33:01 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
example corruption
none
more interesting example none

Description Matthew Woehlke 2011-10-25 19:58:11 UTC 
Created attachment 530168 [details]
example corruption

Description of problem:
Portions of the display (often window shadows) occasionally becomes corrupted.

Version-Release number of selected component (if applicable):
F14 latest packages (except currently running kernel) as of Oct 25, 2011
xorg-x11-drv-ati-6.13.1-0.4.20100705git37b348059.fc14.x86_64
xorg-x11-server-Xorg-1.9.5-2.fc14.x86_64
mesa-dri-drivers-7.9-5.fc14.x86_64
kernel-2.6.35.14-95.fc14.x86_64
kdebase-workspace-4.6.5-5.fc14.x86_64
(not sure what else to provide; please ask)

How reproducible:
Sometimes... not reliable, but usually seen at least once a week.

Steps to Reproduce:
Don't know.
  
Additional info:
Corruption appears visually identical (if not nearly as severe) as that mentioned in bug 738790; possibly the same issue?

Types of corruption seen:
- certain font glyphs become random pixels (but correct color)
- pixmaps (background fills, icons, window shadow/glow tiles) corrupted with random pixels; sometimes from the same image but as if row stride is off... often only part of the image is corrupted, usually in large horizontal or vertical stripes

Small example attached (when I took this, only a small area of my task bar was being affected, and it subsequently went away).
Comment 1 Matthew Woehlke 2011-11-01 19:41:23 UTC 
Created attachment 531188 [details]
more interesting example

Here is a more interesting example... looks like initializing pixmaps with transparent is instead initializing them with a random (including alpha channel) solid color.
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