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SubjectRe: BUG in i2c_detach_client
Hi Andrew,

> 2.6.12-rc5-mm1 didn't crash.
>
> kernel BUG at include/linux/list.h:166!
> invalid operand: 0000 [#1]
> PREEMPT
> CPU: 0
> EIP: 0060:[<c0319cd4>] Not tainted VLI
> EFLAGS: 00010a83 (2.6.12-rc6-mm1)
> EIP is at i2c_detach_client+0xb4/0x110
> eax: dfc0bcc0 ebx: c15fc26c ecx: c15fc264 edx: c04378d0
> esi: c15fc14c edi: c0437720 ebp: 00000000 esp: dff81f10
> ds: 007b es: 007b ss: 0068
> Process swapper (pid: 1, threadinfo=dff80000 task=c14dca00)
> Stack: dfff6110 dfc0bdb4 00000286 00000286 c15fc26c c15fc14c c15fc160
> ffffffed
> c031d512 c15fc160 c03edac1 c15fc26c 00000000 0000002d 00000001
> 0000002d c0437720 00000000 c0437c5c 00000001 00000000 c031b100
> 00000000 00000000
> Call Trace:
> [<c031d512>] asb100_detect+0x442/0x520
> [<c031b100>] i2c_detect+0x240/0x380
> [<c031d0d0>] asb100_detect+0x0/0x520
> [<c0319889>] i2c_add_driver+0x89/0xc0

I suspect you didn't "make oldconfig" before compiling 2.6.12-rc6-mm1.
You should have CONFIG_HWMON=Y in .config, and I don't see it. Note that
I can't explain why it results in the BUG right above, but it must be
related.

If "make oldconfig" doesn't help, try reverting:
http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc6/2.6.12-rc6-mm1/broken-out/gregkh-i2c-hwmon-03.patch

Thanks,
--
Jean Delvare
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