Re: kernel crash in fault.c

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The PCI address you accessed doesn't seem to be within the PCI address 
window.
Check the address range setup in your systems PCI controller. Or you 
might be
facing problems in the ioremap of the PCI address. So check both the 
ioremap'ed
address and the PCI address and see if they are OK.


Nandakumar NarayanaSwamy wrote:

> Hi All,
> I am getting a kernel crash when i try to load (using insmod) my 
> driver module into the kernel.
> 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?
>
> Thanks in advance,
> Nanda.
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