From: Thomas Gleixner <tglx@linutronix.de>
To: Dave Airlie <airlied@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: "do_IRQ: 0.89 No irq handler for vector (irq -1)"
Date: Fri, 8 Oct 2010 09:52:11 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.00.1010080941160.7653@localhost6.localdomain6> (raw)
In-Reply-To: <alpine.LFD.2.00.1010072329220.3354@localhost6.localdomain6>
On Thu, 7 Oct 2010, Thomas Gleixner wrote:
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 :)
>
> Oct 7 23:21:32 ionos kernel: BUG: unable to handle kernel paging request at 00000037362e313a
>
> We are again dereferencing a user space address.
Further debugging shows that the interrupt is torn down and the
vectors are cleared. On modprobe the irq is set up again and a
different vector is assigned.
The interrupt which comes in is going to the old vector. So something
is stale in the card.
Thanks,
tglx
next prev parent reply other threads:[~2010-10-08 7:52 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-07 8:55 "do_IRQ: 0.89 No irq handler for vector (irq -1)" Dave Airlie
2010-10-07 9:05 ` Dave Airlie
2010-10-07 20:38 ` Thomas Gleixner
2010-10-07 21:35 ` Thomas Gleixner
2010-10-08 7:52 ` Thomas Gleixner [this message]
2010-10-08 11:46 ` Dave Airlie
2010-10-11 22:48 ` Jesse Barnes
2010-10-11 23:40 ` Jesse Barnes
2010-10-12 19:01 ` Rafael J. Wysocki
2010-10-12 19:49 ` Jesse Barnes
2010-11-16 19:46 ` Florian Mickler
2010-11-16 20:11 ` Jesse Barnes
2010-11-16 20:47 ` Florian Mickler
2010-10-13 21:20 ` Jesse Barnes
2010-10-13 21:48 ` Rafael J. Wysocki
2010-10-08 11:53 ` Chris Wilson
2010-10-08 12:15 ` Thomas Gleixner
2010-10-08 12:30 ` Chris Wilson
2010-10-10 17:46 ` Maciej Rutecki
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