Re: 2.6.18-rc4-mm1 - time moving at 3x speed!

[Helge Hafting <helge.hafting@aitel.hist.no>]

Andi Kleen wrote:
> On Friday 18 August 2006 01:15, john stultz wrote:
>   
>> On Fri, 2006-08-18 at 00:44 +0200, Helge Hafting wrote:
>>     
>>> I got 2.6.18-rc4-mm1 going, and it appears that system
>>> moves at about 3x normal speed.  A software clock need 3
>>> seconds to advance 10 seconds, for example.
>>>
>>> Everything else seems faster too, the keyboard autorepeat,
>>> delay loops in games, and so on.
>>>
>>> Guess I could live with this, if it'd also compile
>>> 3x faster. :-/
>>>
>>> This is a x86-64 kernel, with the jiffies hotfix applied.
>>>       
>> Sounds like the same issue Gregorie Favre is dealing with.
>>
>> Please send full dmesg output.
>>
>> Does 2.6.18-rc4, or 2.6.18-rc3-mm2 have this issue
>>     
>
> FWIW i looked through the x86-64 patch changes between
> rc3-mm2 and rc4-mm1 and I can't find anything that would be remotely
> related to the timer.
>
> If it's confirmed to have regressed in this time it would require a binary 
> search to track down I think.
>   
I have narrowed it down.  2.6.18-rc4 does not have the 3x time
problem,  while mm1 have it.  mm1 without the hotfix jiffies
patch is just as bad.

Helge Hafting