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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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