linux-kernel - Re: "do_IRQ: 0.89 No irq handler for vector (irq -1)"

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Message-ID: <alpine.LFD.2.00.1010081414130.13094@localhost6.localdomain6>
Date:	Fri, 8 Oct 2010 14:15:29 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Chris Wilson <chris@...is-wilson.co.uk>
cc:	Dave Airlie <airlied@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: "do_IRQ: 0.89 No irq handler for vector (irq -1)"

On Fri, 8 Oct 2010, Chris Wilson wrote:

> On Thu, 7 Oct 2010 23:35:43 +0200 (CEST), Thomas Gleixner <tglx@...utronix.de> wrote:
> > The first test worked fine. But after I added some debugging I got
> > another weird corruption this time on the first unload:
> > 
> > Oct  7 23:21:24 ionos kernel: Console: switching to colour VGA+ 80x25
> > Oct  7 23:21:31 ionos kernel: drm: unregistered panic notifier
> > Oct  7 23:21:31 ionos kernel: vga_switcheroo: disabled
> > Oct  7 23:21:31 ionos kernel: [drm:drm_mm_takedown] *ERROR* Memory manager not clean. Delaying takedown
> > 
> > That one scares me :)
> 
> That was a leak of the object handles which should have been fixed in
> .36-rc2

Emphasis on should. That's rc7
 
> The other horrible crashes look like the set of unload fixes that Daniel
> Vetter supplied for .36-rc3 but we postponed to .37.

Well, then you better prevent the removal of the module until it's fixed.

Thanks,

	tglx


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