Re: Linux 2.6.35.3

Mark Stanovich
2010-08-23T01:56:22Z

On Sun, Aug 22, 2010 at 9:31 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 08/20/2010 09:06 PM, Mark Stanovich wrote:
>>>>
>>>> I noticed that the latest version pulled from Linus's git tree did not
>>>> have the problem.  After looking at the changes to
>>>> arch/x86/include/asm/cmpxchg_32.h, I cherry-picked two patches from
>>>> Linus's tree that seemed to make a difference, namely:
>>>>
>>>> 69309a05907546fb686b251d4ab041c26afe1e1d
>>>> 4532b305e8f0c238dd73048068ff8a6dd1380291
>>>>
>>>> Applying these patches solved the rebooting problem on 2.6.35.3
>>>>
>>>> I believe the same problem also happens for the latest stable version of
>>>> 2.6.34, but did not verify the fix worked for the 2.6.34 stable releases.
>>>>
>>>> I don't know if this is helpful, but I thought I would let you know in
>>>> case someone else is having the same problem.
>>>>
>>>> If you need any further information, just let me know.
>>>>
>>>
>>> Yes, as a matter of fact, we have been trying to root-cause this
>>> problem; please see:
>>>
>>> https://bugzilla.kernel.org/show_bug.cgi?id=16612
>>>
>>> If you could try the one-liner in there and see if it solves your
>>> problem, it would be great.
>>
>> The patch for __set_64bit on top of 2.6.35.3 solves the rebooting problem!
>>
>>
>
> By the way, I think only 69309a05907546fb686b251d4ab041c26afe1e1d should
> solve the problem.  Mark, could you try only this patch?
>

Tested 69309a05907546fb686b251d4ab041c26afe1e1d on top of 2.6.35.3 and
this does solve the rebooting problem.

- Mark