Confirmed problem on my Dell Inspiron 1545. This is using Karmic Beta with
updates to 10/16/09.
Under jaunty I was able to work around this issue partially with the following
Xorg.conf option:
Option "MigrationHeuristic" "Greedy"
However, this is no longer used by the intel driver.
lspci -vvnn
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
Subsystem: Dell Device [1028:02aa]
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 30
Region 0: Memory at f6c00000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at efe8 [size=8]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller [8086:2a43] (rev 07)
Subsystem: Dell Device [1028:02aa]
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 f6b00000 (64-bit, non-prefetchable) [size=1M]
Capabilities: <access denied>
--
[i965gm] Firefox scrolls slow in Gmail when "chat" or "tasks" window is open
https://bugs.launchpad.net/bugs/379124
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