Re: 2.5.59-mm8

Dave Hansen
2003-02-04T09:07:58Z

Martin J. Bligh wrote:
>>http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.59/2.5.59-mm8/
>

> Booted to login prompt, then immediately oopsed
> (16-way NUMA-Q, mm6 worked fine). At a wild guess, I'd suspect
> irq_balance stuff.
>
> Unable to handle kernel NULL pointer dereference at virtual address 0000013c
> printing eip:
> c01ed768
> *pde = 2ecb7001
> *pte = 00000000
> Oops: 0002
> CPU: 2
> EIP: 0060:[<c01ed768>] Not tainted
> EFLAGS: 00010046
> EIP is at isp1020_intr_handler+0x1f8/0x330
> eax: 00000000 ebx: ef67f080 ecx: 00000000 edx: 00000000
> esi: 00000000 edi: 00000003 ebp: ef6c589c esp: f0199efc
> ds: 007b es: 007b ss: 0068
> Process swapper (pid: 0, threadinfo=f0198000 task=f019cc40)
> Stack: ef67f080 c02c7fe0 0360db40 f0199f40 00000003 ef6c5800 00000086
> f0199f7c
> 00000013 c01ed556 00000013 ef6c5800 f0199f7c f01ef7e0 24000001
> c010b7c5
> 00000013 ef6c5800 f0199f7c c02c3a60 00000260 00000013 f01ef7e0
> c010b9bd
> Call Trace:
> [<c01ed556>] do_isp1020_intr_handler+0x36/0x50
> [<c010b7c5>] handle_IRQ_event+0x45/0x70
> [<c010b9bd>] do_IRQ+0x8d/0x100
> [<c0107080>] default_idle+0x0/0x50
> [<c0107080>] default_idle+0x0/0x50
> [<c010a070>] common_interrupt+0x18/0x20
> [<c0107080>] default_idle+0x0/0x50
> [<c0107080>] default_idle+0x0/0x50
> [<c01070aa>] default_idle+0x2a/0x50
> [<c010714a>] cpu_idle+0x3a/0x50
> [<c0120294>] printk+0x164/0x1a0

This didn't include 4k/irqstack stuff did it? That is in the path that
those patches touch.

--
Dave Hansen
haveblue@us.ibm.com