Description of problem: after closing the lcd on my thinkpad x40, the screen does not restore backlight. Version-Release number of selected component (if applicable): 2.6.29.3-155.fc11.i586 How reproducible: always Steps to Reproduce: 1.close the lcd 2.wait about 30 seconds 3.open the lcd Actual results: screen remains black Expected results: screen restores brightness Additional info: same thing happens either i'm on ac power or on battery, if the system has actually started or it's just prompting for the decrypt partitions password at the begining. worked fine (more or less) with f10.
lspci -vv: 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) (prog-if 00 [VGA controller]) Subsystem: IBM Device 0557 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 16 Region 0: Memory at e0000000 (32-bit, prefetchable) [size=128M] Region 1: Memory at d0000000 (32-bit, non-prefetchable) [size=512K] Region 2: I/O ports at 1800 [size=8] Expansion ROM at <unassigned> [disabled] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915
with 2.6.29.4-162 (wich i understand that it disables kms for some intel chipsets) i no longer have this problem, but i (still?) have the bug https://bugzilla.redhat.com/show_bug.cgi?id=489907