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Thread: 2.6.20-r2 is slow!?
2.6.20-r2 is slow!?
user name
 2007-05-01 10:02:44 

  


  

    Just installed 2.6.20-r2, and find it particularly slow - slow to boot, slow to operate (high cpu), while 2.6.18-r6 is quick, with low cpu useage.

Any ideas, please? (e.g. there was a configuration option a few releases ago that snuck in and slowed things down; I've forgotten which it was :-( )


(Same kernel  configurations; had to update udev from 104-r12 to 109-r1 to keep from crashing during the boot process; replaced firehol with shorewall 3.4.2, which works on 2.6.18-r6 just fine, but fails on 2.6.20-r2

. Did not upgrade gradm, as it's likely I'll stay with '18)

TIA


  

  
  
   
     
    

  

    Re:  2.6.20-r2 is slow!?
  


  

     user name

     2007-05-01 10:07:45
  


  

    

  


  

    don't know about being slow but iptables had major changes in 2.6.20.x so you probably will have to go through those manually. I can give you my config for iptables if you need help getting it working.


On 5/1/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com">7v5w7go9ub0ogmail.com> wrote:

Just installed 2.6.20-r2, and find it particularly slow - slow to boot, slow to operate (high cpu), while 2.6.18-r6 is quick, with low cpu useage.

Any ideas, please? (e.g. there was a configuration option a few releases ago that snuck in and slowed things down; I've forgotten which it was :-( )


(Same kernel  configurations; had to update udev from 104-r12 to 109-r1 to keep from crashing during the boot process; replaced firehol with shorewall&nbsp;3.4.2, which works on 2.6.18-r6 just fine, but fails on 2.6.20-r2


. Did not upgrade gradm, as it's likely I'll stay with '18)

TIA





-- 
Caleb Cushing

  

  
  
   
     
    

  

    Re:  2.6.20-r2 is slow!?
  


  

     user name

     2007-05-02 12:19:00
  


  

    

  


  

    Thank You!! ; for the quick response.

Yes.... please do let me see your config file. ; I've been thinking of doing this for a while, and now is a good time.

Are you running 2.6.20x?&nbsp; If yes, is it as responsive as '18x ?


TIA

On 5/1/07, Caleb Cushing < xenoterracidegmail.com">xenoterracidegmail.com> wrote:

don't know about being slow but iptables had major changes in 2.6.20.x so you probably will have to go through those manually. I can give you my config for iptables if you need help getting it working.




On 5/1/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">7v5w7go9ub0ogmail.com> wrote:


Just installed 2.6.20-r2, and find it particularly slow - slow to boot, slow to operate (high cpu), while 2.6.18-r6 is quick, with low cpu useage.

Any ideas, please? (e.g. there was a configuration option a few releases ago that snuck in and slowed things down; I've forgotten which it was :-( )


(Same kernel  configurations; had to update udev from 104-r12 to 109-r1 to keep from crashing during the boot process; replaced firehol with shorewall&nbsp;3.4.2, which works on 2.6.18-r6 just fine, but fails on 2.6.20-r2



. Did not upgrade gradm, as it's likely I'll stay with '18)

TIA





-- 
Caleb Cushing




  

  
  
   
     
    

  

    Re:  2.6.20-r2 is slow!?
  


  

     user name

     2007-05-02 14:32:10
  


  

    

  


  

    I've attached the config, and I haven't noticed any issues with slowness I'm running 2.6.20 on 3 boxes, but not hardened. so it could be a hardened patch. I just know iptables had major changes.


On 5/2/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com">7v5w7go9ub0ogmail.com> wrote:

Thank You!! ; for the quick response.

Yes.... please do let me see your config file. ; I've been thinking of doing this for a while, and now is a good time.

Are you running 2.6.20x?&nbsp; If yes, is it as responsive as '18x ?


TIA

On 5/1/07, Caleb Cushing < xenoterracidegmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
xenoterracidegmail.com> wrote:

don't know about being slow but iptables had major changes in 2.6.20.x so you probably will have to go through those manually. I can give you my config for iptables if you need help getting it working.




On 5/1/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">7v5w7go9ub0ogmail.com> wrote:



Just installed 2.6.20-r2, and find it particularly slow - slow to boot, slow to operate (high cpu), while 2.6.18-r6 is quick, with low cpu useage.

Any ideas, please? (e.g. there was a configuration option a few releases ago that snuck in and slowed things down; I've forgotten which it was :-( )


(Same kernel  configurations; had to update udev from 104-r12 to 109-r1 to keep from crashing during the boot process; replaced firehol with shorewall&nbsp;3.4.2, which works on 2.6.18-r6 just fine, but fails on 2.6.20-r2




. Did not upgrade gradm, as it's likely I'll stay with '18)

TIA





-- 
Caleb Cushing







-- 
Caleb Cushing



  

  
  
   
     
    
 
        
    

    
    

  

    Re:  2.6.20-r2 is slow!?
  


  

     user name

     2007-05-03 14:54:44
  


  

    

  


  

    Thanks again for the quick reply! It'll be interesting to compare
configs. I have begun the "boolean reduction compilation" process:
deactivating half of the grsec/pax stuff; testing; reactivating that

half and deactivating the remaining half; etc. :-(

Also looking at 2.6.21 ......

Could you also attach your iptables rules? I presume you're doing a
pretty straight forward FW (e.g. allow outgoing; drop or block

incoming; check for tcp flags; log martians; etc.)


On 5/2/07, Caleb Cushing < xenoterracidegmail.com">xenoterracidegmail.com

> wrote:
I've attached the config, and I haven't noticed any issues with slowness I'm running 
2.6.20 on 3 boxes, but not hardened. so it could be a hardened patch. I just know iptables had major changes.



On 5/2/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">7v5w7go9ub0ogmail.com> wrote:


Thank You!! ; for the quick response.

Yes.... please do let me see your config file. ; I've been thinking of doing this for a while, and now is a good time.

Are you running 2.6.20x?&nbsp; If yes, is it as responsive as '18x ?


TIA

On 5/1/07, Caleb Cushing < xenoterracidegmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">

xenoterracidegmail.com> wrote:

don't know about being slow but iptables had major changes in 2.6.20.x so you probably will have to go through those manually. I can give you my config for iptables if you need help getting it working.




On 5/1/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">7v5w7go9ub0ogmail.com> wrote:




Just installed 2.6.20-r2, and find it particularly slow - slow to boot, slow to operate (high cpu), while 2.6.18-r6 is quick, with low cpu useage.

Any ideas, please? (e.g. there was a configuration option a few releases ago that snuck in and slowed things down; I've forgotten which it was :-( )


(Same kernel  configurations; had to update udev from 104-r12 to 109-r1 to keep from crashing during the boot process; replaced firehol with shorewall&nbsp;3.4.2, which works on 2.6.18-r6 just fine, but fails on 2.6.20-r2





. Did not upgrade gradm, as it's likely I'll stay with '18)

TIA





-- 
Caleb Cushing







-- 
Caleb Cushing




  

  
  
   
     
    

  

    Re:  2.6.20-r2 is slow!?
  


  

     user name

     2007-05-03 19:28:26
  


  

    

  


  

    http://slave-network.org/firewall.txt

On 5/3/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com">
7v5w7go9ub0ogmail.com> wrote:
Thanks again for the quick reply! It'll be interesting to compare

configs. I have begun the "boolean reduction compilation" process:
deactivating half of the grsec/pax stuff; testing; reactivating that

half and deactivating the remaining half; etc. :-(

Also looking at 2.6.21 ......

Could you also attach your iptables rules? I presume you're doing a
pretty straight forward FW (e.g. allow outgoing; drop or block

incoming; check for tcp flags; log martians; etc.)



On 5/2/07, Caleb Cushing < xenoterracidegmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
xenoterracidegmail.com

> wrote:
I've attached the config, and I haven't noticed any issues with slowness I'm running 
2.6.20 on 3 boxes, but not hardened. so it could be a hardened patch. I just know iptables had major changes.



On 5/2/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">7v5w7go9ub0ogmail.com> wrote:



Thank You!! ; for the quick response.

Yes.... please do let me see your config file. ; I've been thinking of doing this for a while, and now is a good time.

Are you running 2.6.20x?&nbsp; If yes, is it as responsive as '18x ?


TIA

On 5/1/07, Caleb Cushing < xenoterracidegmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">


xenoterracidegmail.com> wrote:

don't know about being slow but iptables had major changes in 2.6.20.x so you probably will have to go through those manually. I can give you my config for iptables if you need help getting it working.




On 5/1/07, 7v5w7go9ub0o < 7v5w7go9ub0ogmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">7v5w7go9ub0ogmail.com> wrote:





Just installed 2.6.20-r2, and find it particularly slow - slow to boot, slow to operate (high cpu), while 2.6.18-r6 is quick, with low cpu useage.

Any ideas, please? (e.g. there was a configuration option a few releases ago that snuck in and slowed things down; I've forgotten which it was :-( )


(Same kernel  configurations; had to update udev from 104-r12 to 109-r1 to keep from crashing during the boot process; replaced firehol with shorewall&nbsp;3.4.2, which works on 2.6.18-r6 just fine, but fails on 2.6.20-r2






. Did not upgrade gradm, as it's likely I'll stay with '18)

TIA





-- 
Caleb Cushing







-- 
Caleb Cushing







-- 
Caleb Cushing

  

  
  
   
     
    

  

    Re:  2.6.20-r2 is slow!?
  


  

     country flaguser name
Spain		
     2007-05-04 02:16:28
  


  

    
El Thu, 3 May 2007 20:28:26 -0400
"Caleb Cushing" <xenoterracidegmail.com> escribió:

> http://slave-ne
twork.org/firewall.txt

Mine here, just in case you want to look at it:

http://www.fl
uzo.org/~javi/firewall.txt

There are some vars written in spanish, but its context is
self-explanatory.

-- 
echo "dpefsAgmv{p/psh" | perl -pe
's/(.)/chr(ord($1)-1)/ge'
GnuPG key ID 0x6D2FF8B5  pgp.rediris.es
http://www.fluzo.org/
--
gentoo-hardenedgentoo.org mailing list




  


  

    
  

  
  
   
     
    

  

     Re: 2.6.20-r2 is slow!?
  


  

     country flaguser name
United States		
     2007-05-04 07:58:59
  


  

    
On Fri, 4 May 2007 09:16:28 +0200
Javier Barrio <coder-EYqyydz9ICHYtjvyW6yDsgpublic.gmane.org> wrote:

> El Thu, 3 May 2007 20:28:26 -0400
> "Caleb Cushing"
> <xenoterracide-Re5JQEeQqe8AvxtiuMwx3wpublic.gmane.org> escribió:
> 
> > http://slave-ne
twork.org/firewall.txt
> 
> Mine here, just in case you want to look at it:
> 
> http://www.fl
uzo.org/~javi/firewall.txt
> 
> There are some vars written in spanish, but its context
is
> self-explanatory.
> 

Indeed!  Thank you Sir.

(You running the '20x hardened kernel? If so, any issues?)
--
gentoo-hardenedgentoo.org mailing list




  


  

    
  

  
  
   
     
    

  

    Re:  Re: 2.6.20-r2 is slow!?
  


  

     country flaguser name
Spain		
     2007-05-04 08:35:39
  


  

    
> Indeed!  Thank you Sir.
> 
> (You running the '20x hardened kernel? If so, any
issues?)

That machine is a sparc, so most of the stuff does not work
the same
way. No issues, though.

-- 
echo "dpefsAgmv{p/psh" | perl -pe
's/(.)/chr(ord($1)-1)/ge'
GnuPG key ID 0x6D2FF8B5  pgp.rediris.es
http://www.fluzo.org/
-- 
gentoo-hardenedgentoo.org mailing list




  


  

    
  

  
  
   
     
    

  

    Re:  2.6.20-r2 is slow!?
  


  

     country flaguser name
United States		
     2007-05-04 10:58:03
  


  

    
I just updated to test this as well on a test server.  So
far I don't 
notice anything out of the ordinary.  Can you give me some
idea of what 
seems slow?  What sort of services are you interacting with?
 I've 
attached my related configs.

Thanks,
Brian

7v5w7go9ub0o wrote:
> Just installed 2.6.20-r2, and find it particularly slow
- slow to boot, 
> slow to operate (high cpu), while 2.6.18-r6 is quick,
with low cpu useage.
> 
> Any ideas, please? (e.g. there was a configuration
option a few releases 
> ago that snuck in and slowed things down; I've
forgotten which it was :-( )
> 
> (Same kernel  configurations; had to update udev from
104-r12 to 109-r1 
> to keep from crashing during the boot process; replaced
firehol with 
> shorewall 3.4.2, which works on 2.6.18-r6 just fine,
but fails on 
> 2.6.20-r2 . Did not upgrade gradm, as it's likely I'll
stay with '18)
> 
> TIA



  


  

    
  

  
  
   
     
    
 
        
    

    
    






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