Bug 222688

Summary: Bitblit bug in trident driver
Product: [Fedora] Fedora Reporter: Matan Ziv-Av <matan>
Component: xorg-x11-drv-tridentAssignee: Adam Jackson <ajax>
Status: CLOSED RAWHIDE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 6CC: mcepl
Target Milestone: ---Keywords: Patch
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2007-01-24 19:52:37 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
Upstream patch none

Description Matan Ziv-Av 2007-01-15 18:50:06 UTC 
Description of problem:
On a Trident Cyberblade XP4M32 (toshiba R100 laptop), a bug in bitblit in
trident driver causes severe screen corruption when scrollin up.

Version-Release number of selected component (if applicable):
1.2.1-3.fc6

How reproducible:
everytime.

Steps to Reproduce:
1. Make sure acceleration enabled on trident cyberblade XP card.
2. Open a web page longer than one screen in firefox.
3. Go to end of page and scroll one line up.
  
Actual results:
Screen corruption

Expected results:
scroll up.

Additional info:
Already fixed in later versions in xorg.
One line patch fixing this problem here:
 http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-trident.git;a=commitdiff;h=1edecc1a72cf1e53a2800e2941cb3b49b9b7f97d
Comment 1 Matěj Cepl 2007-01-16 12:22:19 UTC 
Created attachment 145682 [details]
Upstream patch
Comment 2 Adam Jackson 2007-01-24 19:52:37 UTC 
Fixed in xorg-x11-drv-trident 1.2.3, thanks!