Re: twl4030 irq crashes

From: Thomas Gleixner
Date: Wed Oct 06 2010 - 18:59:39 EST


On Thu, 7 Oct 2010, Grazvydas Ignotas wrote:

> Hello,
>
> I've pulled today's (20101006) linux-next and twl4030 started crashing
> on certain interrupts. twl4030 irq code hasn't changed so it's
> probably genirq's fault:
>
> [ 0.889739] Unable to handle kernel NULL pointer dereference at
> virtual address 00000000
> [ 0.898193] pgd = c0004000
> [ 0.901000] [00000000] *pgd=00000000
> [ 0.904754] Internal error: Oops: 80000005 [#1]
> [ 0.909484] last sysfs file:
> [ 0.912567] Modules linked in:
> [ 0.915771] CPU: 0 Not tainted
> (2.6.36-rc6-next-20101006-00001-g766a681-dirty #205)
> [ 0.924133] PC is at 0x0
> [ 0.926788] LR is at handle_edge_irq+0x84/0x14c

Can you please decode that line with

addr2line -e vmlinux c0077244

Thanks,

tglx
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