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Message-ID: <CACRpkdZXhJn241n8wMU8yUFwL7mpWrV3hP6C-_r_P1GGWgd_Og@mail.gmail.com>
Date: Tue, 27 Mar 2012 09:07:22 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Alessandro Rubini <rubini@...dd.com>
Cc: linux-kernel@...r.kernel.org,
Giancarlo Asnaghi <giancarlo.asnaghi@...com>,
Alan Cox <alan@...ux.intel.com>, gregkh@...uxfoundation.org,
linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] amba-pl011: fix panic introduced by "clear pending interrupts"
On Mon, Mar 26, 2012 at 10:32 PM, Alessandro Rubini <rubini@...dd.com> wrote:
> patch 9b96fba, currently in linux-next, clears interrupts using
> uap->port.membase that has not been assigned. My x86 system,
> that uses a pci-to-amba bridge, panics with a message like:
>
> BUG: unable to handle kernel NULL pointer dereference at 00000038
> IP: [<c12c85ed>] pl011_probe+0x119/0x303
>
> Signed-off-by: Alessandro Rubini <rubini@...dd.com>
> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@...com>
Yep I know, already sent the remedy, just waiting for Greg to pick it up:
http://marc.info/?l=linux-serial&m=133235774423240&w=2
But thanks for the quick attention :-)
Yours,
Linus Walleij
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