Re: Oops: 2.6.11-mm3 -- NULL pointer -- EIP is ati2c_add_driver+0xa2/0xd0

[Andrew Morton]

Miles Lane <miles.lane@xxxxxxxxx> wrote:
>
> I2c /dev/ entries driver
> Unable to handle kernel NULL pointer dereference at virtual address 00000000

Miles, does 2.6.12-rc1-mm1 fix this?

Thanks.

>  Printing eip:
> C028bbc2
> *pde = 00000000
> Oops: 0000 [#1]
> PREEMPT
> Modules linked in:
> CPU:     0
> EIP:     0060:[<c028bbc2>]   Not tainted VLI
> EFLAGS:  00010282   (2.6.11-mm3)
> EIP is at i2c_add_driver+0xa2/0xd0
> Eax: 00000000   ebx: 00000000   ecx: 00000000   edx: f7e99504
> Esi: c03f5260   edi: 00000000   ebp: f7c21fa4   esp: f7c21f90
> Ds: 007b   es: 007b   ss: 0068
> Process swapper (pid: 1, threadinfo=f7c20000 task=c17fca40)
> Stack: f7c00540 c03f5264 00000000 00000000 00000000 f7c21fbc c0480695 c03f5260
>        c03724f8 c03f5140 c048d204 f7c21fd8 c04668ab c01002d0 00000000 00000000
>        c01002d0 00000000 f7c21fec c0100302 0000007b 0000007b ffffffff 00000000
> Call Trace:
>  [<c010404f>] show_stack+0x7f/0xa0
>  [<c01041ea>] show_registers+0x15a/0x1c0
>  [<c01043e0>] die+0xf0/0x190
>  [<c011450b>] do_page_fault+0x31b/0x670
>  [<c0103c83>] error_code+0x2b/0x30
>  [<c0480695>] i2c_dev_init+0x55/0xa0
>  [<c04668ab>] do_initcalls+0x2b/0xc0
>  [<c0100302>] init+0x32/0x130
>  [<c0101351>] kernel_thread_helper+0x5/0x14
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