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    SubjectRe: Linux 2.6.37

    On Tue 04-01-11 17:15:45, Linus Torvalds wrote:
    > We did have another revert to fix hopefullythe last "blank screen"
    > regression on intel graphics.

    It seems that there is still a regression for intel graphic cards
    backlight. One report is
    I can reproduce the problem easily by:
    xset dpms force standby; sleep 3s; xset dpms force on

    backlight doesn't get up (there is really dark picture though which
    doesn't get brighter by function keys which work normally) after dpms on
    until I close and open lid.

    The problem wasn't present in 2.6.36

    $ lspci -vv
    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: Fujitsu Limited. Device 137a
    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 f0300000 (32-bit, non-prefetchable) [size=512K]
    Region 1: I/O ports at 1800 [size=8]
    Region 2: Memory at e0000000 (32-bit, prefetchable) [size=256M]
    Region 3: Memory at f0400000 (32-bit, non-prefetchable) [size=256K]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: <access denied>
    Kernel driver in use: i915
    Michal Hocko
    L3 team
    SUSE LINUX s.r.o.
    Lihovarska 1060/12
    190 00 Praha 9
    Czech Republic

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