Re: [PATCH] i386 CPU hotplug updated for -mm

[Zwane Mwaikambo]

On Tue, 12 Oct 2004, Nathan Lynch wrote:

> Unable to handle kernel NULL pointer dereference at virtual address 00000004
>  printing eip:
> c0145703
> *pde = 00000000
> Oops: 0000 [#1]
> PREEMPT SMP
> Modules linked in:
> CPU:    1

Ok, cpu1 took an interrupt and exploded, perhaps put a printk in 
show_regs() to say whether it was offline, an interrupt must have snuck in 
whilst it was offline.

>  [<c029f6cd>] ide_intr+0xbd/0x160
>  [<c0139d44>] handle_IRQ_event+0x34/0x70
>  [<c0139e6c>] __do_IRQ+0xec/0x170
>  [<c0108570>] do_IRQ+0x60/0xa0

Thanks,
	Zwane
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