pxc Dec 8, 2012 @ 8:43pm
Issue Report: X Crash with KWin Compositing
The problem is this: whenever I *disable* KWin compositing when Steam is _already running_, the X session crashes.

Here is my system information:
Processor Information:
Vendor: AuthenticAMD
Speed: 3113 Mhz
4 logical processors
4 physical processors
HyperThreading: Unsupported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Supported
SSE41: Unsupported
SSE42: Unsupported

Network Information:
Network Speed:

Operating System Version:
"Gentoo Base System release 2.2" (64 bit)
Kernel Name: Linux
Kernel Version: 3.6.0-sabayon
X Server vendor: The X.Org Foundation
X Server release: 11204000

Video Card:
Driver: ATI Technologies Inc. AMD Radeon HD 7800 Series

Driver Version: 4.2.11931 Compatibility Profile Context
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 59 Hz
VendorID Not Detected
DeviceID Not Detected
Number of Monitors: 2
Number of Video Cards Not Detected
Primary Display Resolution: 1920 x 1200
Desktop Resolution: 3600 x 1200
Primary Display Size: 23.35" x 14.61" (27.52" diag)
59.3cm x 37.1cm (69.9cm diag)
Primary VRAM Not Detected

Sound card:
Audio device: USB Mixer

Memory:
RAM: 12013 Mb

Miscellaneous:
UI Language: English
LANG: en_US.UTF-8
Microphone: Not set
Total Hard Disk Space Available: 109149 Mb
Largest Free Hard Disk Block: 14553 Mb

Installed software:

Recent Failure Reports:
Sun Dec 9 04:14:17 2012 GMT: file ''/tmp/dumps/assert_20121208211408_1.dmp'', upload yes: ''CrashID=bp-04cef67f-aa97-4837-bdad-634972121208''
Sun Dec 9 04:41:26 2012 GMT: file ''/tmp/dumps/assert_20121208214124_1.dmp'', upload no: ''HTTP response code said error''

The graphics card is a Radeon HD 7870, and the AMD driver version is 12.10 (12.11 has other problems on my system, and doesn't seem worth using).
Showing 1-3 of 3 comments
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lordheavy Dec 9, 2012 @ 11:24am 
If xserver crash, then it's a driver bug, not a steam bug
RussianNeuroMancer Dec 9, 2012 @ 5:31pm 
Originally posted by pxc:
12.11 has other problems on my system, and doesn't seem worth using
What kind of problems exactly? I ask because if now there is some bug that you have in 12.10 (xserver crash) but doesn't have in 12.11, it's better to report 12.11 issues to AMD.

http://emailcustomercare.amd.com/
http://www.amd.com/us/LinuxCrewSurvey
http://ati.cchtml.com/
(attach /usr/share/fglrx/atigetsysteminfo.sh report)
Last edited by RussianNeuroMancer; Dec 9, 2012 @ 5:31pm
pxc Dec 9, 2012 @ 6:10pm 
I know an X server crash is an fglrx bug and not a Steam bug, but I thought it might be useful to post here anyway, as the Linux driver teams of the major graphics cards are apparently working closely with Valve, and people who know something about Steam might be able to help my identify where the bug lies by where it interacts with the fglrx driver.

Still, a bug report with the AMD guys would be more appropriate.

RussianNeuroMancer: I'm not sure (i'll check momentarily), but I believe the driver problem exists within 12.11 as well. The problem I have with 12.11_beta11 is that it renders many (but not all) of the walls in TF2 transparent. I'm not sure what other problems it may have — I switched when I noticed that, because gaming-related improvements were supposedly the whole point for me. I'll swap drivers again and post back in a few minutes.

(Strangely, I couldn't reproduce the bug just now, toggling compositing a few times.)
Last edited by pxc; Dec 9, 2012 @ 6:11pm
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