I have a this bug on my Lenovo T400 laptop with Intel graphics.
This issue is reproducible by running:
strace gedit
lshw output:
*-display:0 UNCLAIMED
description: VGA compatible controller
product: Mobile 4 Series Chipset Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: p...@0000:00:02.0
version: 07
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list
configuration: latency=0
lspci output:
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
Subsystem: Lenovo Device 20e4
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 2297
Region 0: Memory at fa000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 1800 [size=8]
Capabilities: <access denied>
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
Subsystem: Lenovo Device 20e4
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Region 0: Memory at f4100000 (64-bit, non-prefetchable) [size=1M]
Capabilities: <access denied>
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[i965 X3100] X freezes/crashes randomly, only mouse pointer still functional
https://bugs.launchpad.net/bugs/345119
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