netdev - Re: [PATCH] Re: iproute2 / tbf with large burst seems broken again

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Date:	Mon, 31 Aug 2009 11:18:42 +0300
From:	Denys Fedoryschenko <denys@...p.net.lb>
To:	David Miller <davem@...emloft.net>
Cc:	jarkao2@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH] Re: iproute2 / tbf with large burst seems broken again

On Monday 31 August 2009 08:32:39 David Miller wrote:
> From: Jarek Poplawski <jarkao2@...il.com>
> Date: Mon, 31 Aug 2009 05:30:27 +0000
>
> > Actually, I think now, after 2.6.31, this patch might be a bit too
> > late. If people hit this problem they probably should've fixed it
> > until -next already, so let's forget about this patch until there are
> > more such reports.
>
> Ok.
>
> > Btw, I guess, Denys could submit some warnings into iproute's code
> > and/or documentation, as he proposed earlier.
>
> Yeah sounds like a good idea.

2.6.31-rc8 i got dmesg flooded. First message appearing even without patch, i 
will make sure now what is a reason of that (i have HTB classes on ifb0, and 
TBF on pppX).

[  155.199923] Attempt to kill tasklet from interrupt
[  158.425096] Attempt to kill tasklet from interrupt
[  158.425176] Attempt to kill tasklet from interrupt
[  162.549083] Attempt to kill tasklet from interrupt
[  162.549159] Attempt to kill tasklet from interrupt
[  162.601892] Attempt to kill tasklet from interrupt
[  162.601968] Attempt to kill tasklet from interrupt
[  183.719070] Attempt to kill tasklet from interrupt
[  183.719146] Attempt to kill tasklet from interrupt
[  192.147105] Attempt to kill tasklet from interrupt
[  192.147181] Attempt to kill tasklet from interrupt
[  192.604718] tbf: tokens overflow; fix limits.
[  193.085459] tbf: tokens overflow; fix limits.
[  193.102169] tbf: tokens overflow; fix limits.
[  194.100395] tbf: tokens overflow; fix limits.
[  196.010286] tbf: tokens overflow; fix limits.
[  196.014330] tbf: tokens overflow; fix limits.
[  196.100723] tbf: tokens overflow; fix limits.
[  196.104619] tbf: tokens overflow; fix limits.
[  196.998374] tbf: tokens overflow; fix limits.
[  197.854766] tbf: tokens overflow; fix limits.
[  198.676258] tbf: tokens overflow; fix limits.
[  198.676564] tbf: tokens overflow; fix limits.
[  198.984620] tbf: tokens overflow; fix limits.
[  199.599671] tbf: tokens overflow; fix limits.
[  200.101338] tbf: tokens overflow; fix limits.                                                                                                                                                          
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