From: Thomas Jarosch <thomas.jarosch@intra2net.com>
To: linux-pci@vger.kernel.org
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
linux-kernel@vger.kernel.org,
Charlie Suffin <charlie.suffin@stratus.com>,
stable@kernel.org
Subject: Re: [PATCH] pci: Add quirk for still enabled interrupts on Intel Sandy Bridge GPUs
Date: Tue, 10 Jan 2012 11:45:52 +0100 [thread overview]
Message-ID: <201201101145.52640.thomas.jarosch@intra2net.com> (raw)
In-Reply-To: <4EDFD5BB.1050906@intra2net.com>
On Wednesday, 7. December 2011 22:08:11 Thomas Jarosch wrote:
> Some BIOS implementations leave the Intel GPU interrupts enabled,
> even though no one is handling them (f.e. i915 driver is never loaded).
> Additionally the interrupt destination is not set up properly
> and the interrupt ends up -somewhere-.
>
> These spurious interrupts are "sticky" and the kernel disables
> the (shared) interrupt line after 100.000+ generated interrupts.
>
> Fix it by disabling the still enabled interrupts.
> This resolves crashes often seen on monitor unplug.
Happy new year 2012!
Any news on the status of this patch?
Cheers,
Thomas
next prev parent reply other threads:[~2012-01-10 10:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-07 21:08 [PATCH] pci: Add quirk for still enabled interrupts on Intel Sandy Bridge GPUs Thomas Jarosch
2011-12-07 21:30 ` Jesse Barnes
2011-12-08 8:27 ` Thomas Jarosch
2012-01-10 10:45 ` Thomas Jarosch [this message]
2012-01-27 17:28 ` Jesse Barnes
2012-01-31 8:20 ` Thomas Jarosch
2012-02-10 19:45 ` Jesse Barnes
2012-04-25 15:22 ` Thomas Jarosch
2012-04-25 15:23 ` Drew Weaver
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