Re: Dual-core system will not create NTP peers

2008-02-21 Thread Stephen Olander-Waters
On Wed, 2008-02-20 at 22:16 -0600, Moshe Yudkowsky wrote:
 I have discovered the source of the problem: the file 
 /etc/default/adjtimex had a TICK value of 9750. That's 2.5% less than 
 the standard value of 1 and accounts exactly for the clock skew I 
 observed.

Oh, I wish I'd remembered that file. I had that problem way back in 2003
when I switched from an old K7 system to a dual Opteron. I used the same
hard drive and everything. I didn't reinstall. The old value was very
different from the new value.

Something to keep in mind when upgrading a motherboard.
-s



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Re: Dual-core system will not create NTP peers

2008-02-21 Thread Moshe Yudkowsky

Stephen Olander-Waters wrote:

On Wed, 2008-02-20 at 22:16 -0600, Moshe Yudkowsky wrote:
I have discovered the source of the problem: the file 
/etc/default/adjtimex had a TICK value of 9750. That's 2.5% less than 
the standard value of 1 and accounts exactly for the clock skew I 
observed.


Oh, I wish I'd remembered that file. I had that problem way back in 2003
when I switched from an old K7 system to a dual Opteron. I used the same
hard drive and everything. I didn't reinstall. The old value was very
different from the new value.

Something to keep in mind when upgrading a motherboard.


In this case, I built a system from scratch, using 1's and 0's made out 
of flint, and it's a mystery where that TICK value came from.


--
Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
 It's not just a mistake -- it's an adventure!
-- Babs Bunny


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Re: john and multicore

2008-02-21 Thread Mr. P|pex

Hans-J. Ullrich ha scritto:

Hi all,

I just tried to run famous john password cracker on my multicore system. I 
discovered, that john is using only one of my two cpus (100 percent). The 
other one seem to work for other tasks (0 - 20 percent). 



So, must I compile john in another way ?

Must I start john in another way ?

Must the source code of john be written in another way ?


Hi
usually to use multi-processor system it's necessary that the source is 
written to do it.


bye


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Re: john and multicore

2008-02-21 Thread Jaime Ochoa Malagón
Certainly, but if john is eable to run from another point (i.e another
dictionary) is posible to run a second instance of the program from
another point and really do parallel process...

On 2/21/08, Mr. P|pex [EMAIL PROTECTED] wrote:
 Hans-J. Ullrich ha scritto:
  Hi all,
 
  I just tried to run famous john password cracker on my multicore system. I
  discovered, that john is using only one of my two cpus (100 percent). The
  other one seem to work for other tasks (0 - 20 percent).
 
 
  So, must I compile john in another way ?
 
  Must I start john in another way ?
 
  Must the source code of john be written in another way ?

 Hi
 usually to use multi-processor system it's necessary that the source is
 written to do it.

 bye


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-- 
Perhaps the depth of
love can be calibrated by the number of different selves that are
actively involved in a given relationship.

Carl Sagan (Contact)

Jaime Ochoa Malagón
Integrated Technology
Tel: (55) 52 54 26 10



Re: john and multicore

2008-02-21 Thread Douglas A. Tutty
On Thu, Feb 21, 2008 at 01:02:36PM -0600, Jaime Ochoa Malag?n wrote:
 On 2/21/08, Mr. P|pex [EMAIL PROTECTED] wrote:
  Hans-J. Ullrich ha scritto:
   I just tried to run famous john password cracker on my multicore 
   system. I
   discovered, that john is using only one of my two cpus (100 percent). The
   other one seem to work for other tasks (0 - 20 percent).
  
   So, must I compile john in another way ?
  
   Must I start john in another way ?
  
   Must the source code of john be written in another way ?
 
  usually to use multi-processor system it's necessary that the source is
  written to do it.

 Certainly, but if john is eable to run from another point (i.e another
 dictionary) is posible to run a second instance of the program from
 another point and really do parallel process...

Well sure, but if its not written to do that, they you have to rewrite
it to do so.  You have access to the source.  Go for it.

Doug.


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