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

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Message-ID: <20120409101210.6837aee5@jbarnes-desktop>
Date:	Mon, 9 Apr 2012 10:12:10 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Jiri Slaby <jslaby@...e.cz>, Jiri Slaby <jirislaby@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	dri-devel@...ts.freedesktop.org, airlied@...ux.ie
Subject: Re: i915_driver_irq_handler: irq 42: nobody cared [generic IRQ
 handling broken?]

On Sat, 7 Apr 2012 00:40:28 +0200 (CEST)
Thomas Gleixner <tglx@...utronix.de> wrote:
> 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?

-- 
Jesse Barnes, Intel Open Source Technology Center

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