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Date: Mon, 29 Jul 2002 11:13:05 -0300 (BRT)
From: Rik van Riel <riel@conectiva.com.br>
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To: Nandakumar NarayanaSwamy <nanda_kn@rediffmail.com>
cc: linux-kernel@vger.kernel.org
Subject: Re: kernel crash in fault.c
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On 29 Jul 2002, Nandakumar  NarayanaSwamy wrote:

> When the kernel boots up, it identifies my device (hardware
> device) and allocates memory and fixup irq for that.
> Mean while in driver i am registering the driver using,
> pci_register_driver. When i tried to access (write a word) the
> PCI
> memory space allocated for my device, the kernel crashes saying
> "Unable to handle kernel paging request at virtual address "
> in fault.c function : do_page_fault?
>
> Can anyone throw a light on this?

Are you using bus_to_virt (or whatever that thing is called now)
to translate the bus address to a memory address or are you taking
the bus address and trying to write to that memory address ?

regards,

Rik
-- 
Bravely reimplemented by the knights who say "NIH".

http://www.surriel.com/		http://distro.conectiva.com/

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