Hi Greg,
On Mon, Mar 19, 2012 at 04:52, Greg Ungerer <[email protected]> wrote:
> On 19/03/12 06:03, Geert Uytterhoeven wrote:
>> Given that a1 is zero, and d1 is 64, it looks like it's the movesl at
>> 5e14 that caused the problem:
>>
>>>> 5e14: 0e91 2800 movesl %d2,%a1@
>>>> 5e18: 2400 movel %d0,%d2
>>>> 5e1a: 608c bras 5da8<berr_040cleanup+0x144>
>>
>>
>> This corresponds to
>>
>> case BA_SIZE_LONG:
>> res = put_user(wbd, (int __user *)wba);
>>
>> in do_040writeback1(). So wba is zero. Oops...
>
> Did this work properly in 3.2?
Actually I had booted the same kernel image just after I compiled it 2 weeks
ago, and at that time I didn't get the oops.
> If so can you git bisect it to find a problem patch?
Will retry to see whether it's (sort-of) reproducible...
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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