From: Ben Skeggs <bskeggs@redhat.com>
To: Tim Gardner <tim.gardner@canonical.com>
Cc: airlied@linux.ie, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
Seth Forshee <seth.forshee@canonical.com>
Subject: Re: 3.4-rc7 backlight regression on Dell XPS M1710
Date: Thu, 17 May 2012 10:30:52 +1000 [thread overview]
Message-ID: <1337214652.22052.1.camel@nisroch> (raw)
In-Reply-To: <4FB3EF1C.5040804@canonical.com>
Am Mittwoch, den 16.05.2012, 12:17 -0600 schrieb Tim Gardner:
> commit b99da31ed8521eb78d5d6930f3128f8ecdb75fae causes the backlight in
> my Dell XPS M1710 to stop working. Symptoms are dim display and won't
> respond to key brightness events. I bisected and confirmed that
> reverting this single patch on top of 3.4-rc7 fixes the problem.
That commit is correct, it may have uncovered a bug elsewhere though.
Cheers,
Ben.
>
> 01:00.0 VGA compatible controller [0300]: nVidia Corporation G71
> [GeForce Go 7900 GS] [10de:0298] (rev a1)
> Subsystem: Dell Device [1028:019b]
> 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, Cache Line Size: 64 bytes
> Interrupt: pin A routed to IRQ 16
> Region 0: Memory at ed000000 (32-bit, non-prefetchable) [size=16M]
> Region 1: Memory at d0000000 (64-bit, prefetchable) [size=256M]
> Region 3: Memory at ee000000 (64-bit, non-prefetchable) [size=16M]
> Region 5: I/O ports at ef00 [size=128]
> Expansion ROM at efe00000 [disabled] [size=128K]
> Capabilities: <access denied>
> Kernel driver in use: nouveau
> Kernel modules: nouveau, nvidiafb
>
> rtg
next prev parent reply other threads:[~2012-05-17 0:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-16 18:17 3.4-rc7 backlight regression on Dell XPS M1710 Tim Gardner
2012-05-17 0:30 ` Ben Skeggs [this message]
2012-05-17 6:20 ` Ben Skeggs
2012-05-17 14:41 ` Tim Gardner
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