linux-kernel - Re: i915_driver_irq_handler: irq 42: nobody cared [generic IRQ handling broken?]

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Message-ID: <CAPM=9twii0kjH7494mjyqg1di2_WttucEfSUkzmtGz3XMCXjsQ@mail.gmail.com>
Date:	Mon, 9 Apr 2012 18:52:03 +0100
From:	Dave Airlie <airlied@...il.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Jiri Slaby <jslaby@...e.cz>,
	Jiri Slaby <jirislaby@...il.com>,
	dri-devel@...ts.freedesktop.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: i915_driver_irq_handler: irq 42: nobody cared [generic IRQ
 handling broken?]

>> You know what? suspend calls free_irq() via i915_drm_freeze() ->
>> drm_irq_uninstall() and the resume code calls request_irq() again.
>> free_irq() removes the action and request_irq installs it fresh.
>
> Yeah this is a known issue with the DRM code, I thought Dave had a
> fix queued a long time ago though...  Dave?

/me doesn't remember seeing one but maybe this one?

http://lists.freedesktop.org/archives/dri-devel/2011-August/013407.html

probably fell down a hole.

Dave.
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