Issue 182: Corrupted graphic on NVIDIA GTX580 with Chameleon-2.1svn-r1518 - Chameleon open source boot loader project.

Reported by Nori Norhakim, Sep 16, 2011

Issue Summary: Corrupted Graphic
Issue Description: Random huge artifacts or sometimes, black screen 
with just audio in the background. Also, random displayed graphic 
tear-up (I can hardly see a thing actually, just random pieces)
Platform Overview: 
1) Processor: INTEL i870
2) Motherboard: INTEL DP55KG
3) RAM: 8GB RAM
4) GPU: NVIDIA GTX580
GPU Device ID: 108010de
Mac OS Version: 10.7.1
Chameleon version tested with ISSUE: r1518
Last known Chameleon version tested WORKING: r1242

Bug re-produced on:
1) Installed 10.7.1 (clean) with Chameleon r1518
2) Applied changes to kext the following Device ID: 108010de
3) Launched Starcraft 2 (or any other GPU intensive app)

Also tested with the following configuration:
1) GraphicsEnabler=Yes/Graphics Mode=1920x1080x32
2) GraphicsEnabler=Yes ONLY

Additional notes:
1) Corruption went away as soon as I quit any app that causes it. No 
hangs/KPs/reboots and such.

Comment 1 by Cosmosis Jones, Sep 16, 2011

attched bdmesg and ioreg from both versions of chameleon

Status: Accepted
Owner: azimutz

Comment 2 by Nori Norhakim, Sep 16, 2011

Updates:

I've tried to reproduce the issue with Chameleon build in between 
stated last known working version (r1242) and the version that 
causes the issue (r1518)

Test results:
Highest version that works before the issue occurs is r1516

Only the most recent build (r1518) have this issue. I'm not sure of 
the changes committed to this build but I hope this helps.

Cheers.

Comment 3 by Cosmosis Jones, Sep 16, 2011

please attach bdmesg and ioreg dumps from both versions of chameleon

Comment 4 by Cosmosis Jones, May 8, 2012

Status: Invalid