When I loaded the Desktop CD of Gutsy Tribe 2 using a Matrox Millenium G450 video card in live mode and at first login, I get corrupt graphics. I see only the left side of the panels, no entries in the System menu, and no window decorations. I know that my card isn't capable of using Compiz because there is no composite or OpenGL support for it.
Here is the output of "sudo lspci -nn -vv":
02:00.0 VGA compatible controller [0300]: Matrox Graphics, Inc. MGA G400/G450 [102b:0525] (rev 82) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc. Millennium G450 Dual Head LX [102b:0542]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (4000ns min, 8000ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 11
Region 0: Memory at f2000000 (32-bit, prefetchable) [size=32M]
Region 1: Memory at feafc000 (32-bit, non-prefetchable) [size=16K]
Region 2: Memory at fe000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at feac0000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [f0] AGP version 2.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW- AGP3- Rate=x1,x2,x4
Command: RQ=32 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW- Rate=x1
As a temporary fix, I changed all instances of "/usr/bin/compiz" in ~/.gconf/desktop/gnome/applications/window_manager/%gconf.xml to "/usr/bin/metacity"
This problem might also occur when using Gutsy with other Matrox cards.
Thank you for your bug report.
/usr/bin/compiz is a wrapper script around compiz.real which should detect whether or not your card is capable of running Compiz and use Metacity if it isn't. Clearly this detection hasn't worked for you.
Can you attach the output of the commands "glxinfo", "LIBGL_