netdev - Re: [Bugme-new] [Bug 15239] New: Problem with network performance after a while.

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Date:	Tue, 09 Feb 2010 08:36:17 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Paweł Staszewski <pstaszewski@...are.pl>
Cc:	David Miller <davem@...emloft.net>, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org, jeffrey.t.kirsher@...el.com,
	jesse.brandeburg@...el.com, bruce.w.allan@...el.com,
	alexander.h.duyck@...el.com, peter.p.waskiewicz.jr@...el.com,
	john.ronciak@...el.com, pstaszewski@...com.pl, stable@...nel.org
Subject: Re: [Bugme-new] [Bug 15239] New: Problem with network performance
 after a while.

Le mardi 09 février 2010 à 08:19 +0100, Paweł Staszewski a écrit :
> W dniu 2010-02-08 23:55, David Miller pisze:
> > From: Andrew Morton<akpm@...ux-foundation.org>
> > Date: Mon, 8 Feb 2010 14:15:13 -0800
> >
> >    
> >> That would be bad.  That's a regression in 2.6.33-rc, and we've
> >> backported that regression into 2.6.32.x -stable.
> >>      
> > Luckily we have a fix already. :-)
> >    
> 
> Yes - i make bugreport and after i write also here on the list
> 
> And Eric Dumazet help to solve problem with "route cache" - and locking 
> load on one cpu after information about "route cache disabled".
> 
> After his patch i don't see any errors in dmesg.
> 

OK, but this is real old bug (since 2.6.24), not a 2.6.32/2.6.33
regression...

You were just lucky not hitting it before, probably because you tried
different settings.



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