On Fri, 29 Jun 2007 18:39:51 +0200, Michael Wood <michael@frogfoot.com> wrote:
> I think understand more or less what this means, but am unsure of how to
> debug it. I think OpenWRT is using the vanilla kernel, but maybe I'm
> missing something. Is this because I'm not using the kernel from
> linux-mips.org?
It is not vanilla kernel. squashfs is not merged mainline yet.
> Unhandled kernel unaligned access[#1]:
> Cpu 0
> $ 0 : 00000000 10008400 69725020 94001b90
> $ 4 : 94003200 7265746e 00000002 00000000
> $ 8 : 94016338 940162b0 94016228 940161a0
> $12 : 94e5653c 943a0000 943a0000 94e5659c
> $16 : 94001b80 00000000 94003200 00000002
> $20 : 00000000 00000000 00000000 00000000
> $24 : 00000000 9410b8a0
> $28 : 943e4000 943e5ec0 00000000 94175e40
> Hi : 00000003
> Lo : 00000002
> epc : 941742bc drain_freelist+0x6c/0xf8 Not tainted
> ra : 94175e40 cache_reap+0xc0/0x124
> Status: 10008402 KERNEL EXL
> Cause : 10800010
> BadVA : 7265746e
> PrId : 00018448
...
> 0xffffffff941742bc <drain_freelist+108>: lw v1,0(a1)
The value of a1 (0x7265746e) is not a kernel address and I do not
think drain_freelist use such an address. So it would not be an
"unaligned access" problem. I support it would be some sort of memory
corruption.
---
Atsushi Nemoto
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