Problem still exists in latest Hardy. I have attached a full backtrace
that I collected with GDB over the network, not sure if it will be
useful. There is also a second backtrace included that shows what
happens after I try to start up Xorg after the crash.
I noticed a message in the Xorg log:
(EE) intel(0): Cannot support DRI with frame buffer width > 2048
So I reduced my virtual resolution to 2048x1824, and this is sufficient to
prevent the crash. This is not enough resolution, however, to fit two screens
side-by-side. Is the 2048 limitation in the hardware or the driver?
lspci has this to say about my video card:
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller (rev 03) (prog-if 00 [VGA
controller])
Subsystem: Lenovo ThinkPad T60/R60 series
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 20
Region 0: Memory at ee100000 (32-bit, non-prefetchable) [size=512K]
Region 1: I/O ports at 1800 [size=8]
Region 2: Memory at d0000000 (32-bit, prefetchable) [size=256M]
Region 3: Memory at ee200000 (32-bit, non-prefetchable) [size=256K]
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable-
Address: 00000000 Data: 0000
Capabilities: [d0] 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-
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML
Express Integrated Graphics Controller (rev 03)
Subsystem: Lenovo ThinkPad T60/R60 series
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Region 0: Memory at ee180000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [d0] 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-
** Attachment added: "Xorg_rotate_crash"
http://launchpadlibrarian.net/13288015/Xorg_rotate_crash
--
xorg lockup when screen is rotated (i945gm)
https://bugs.launchpad.net/bugs/174745
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