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From: Michal Vanco <vanco@satro.sk>
To: netdev@oss.sgi.com
Cc: Patrick McHardy <kaber@trash.net>, Andre Tomt <andre@tomt.net>,
	linux-kernel@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: 2.6.11 on AMD64 traps
Date: Wed, 9 Mar 2005 21:24:34 +0100	[thread overview]
Message-ID: <200503092124.35190.vanco@satro.sk> (raw)
In-Reply-To: <422F525F.90404@trash.net>

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On Wednesday 09 March 2005 20:45, Patrick McHardy wrote:
> > Michal Vanco wrote:
> >> I see this problem running 2.6.11 on dual AMD64:
> >>
> >> Running quagga routing daemon (ospf+bgp) and issuing "netstat -rn |wc
> >> -l" command
> >> while quagga tries to load more than 154000 routes from its bgp
> >> neighbours causes this trap:
>
> This patch should fix it. The crash is caused by stale pointers,
> the pointers in fib_iter_state are not reloaded after seq->stop()
> followed by seq->start(pos > 0).

Well. Trap vanished after applying this patch, but another weird thing occurs:

# ip route show | wc -l
156033
# date; time ip route show > /dev/null; date; time netstat -rn > /dev/null
Wed Mar  9 22:15:21 CET 2005

real    0m0.656s
user    0m0.415s
sys     0m0.242s
Wed Mar  9 22:15:22 CET 2005

real    6m41.472s
user    0m1.261s
sys     6m40.143s

regards,
-- 
Ing. Michal Vančo
Network Engineer
SATRO s.r.o.
e-mail: vanco@satro.sk

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  reply	other threads:[~2005-03-09 20:24 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200503081900.18686.vanco@satro.sk>
2005-03-08 18:35 ` 2.6.11 on AMD64 traps Andre Tomt
2005-03-09 19:45   ` Patrick McHardy
2005-03-09 20:24     ` Michal Vanco [this message]
2005-03-09 20:34       ` Patrick McHardy
2005-03-09 20:42         ` Michal Vanco
2005-03-09 21:05           ` Patrick McHardy
2005-03-09 21:17             ` Michal Vanco
2005-03-09 23:27               ` Patrick McHardy
2005-03-09 23:50                 ` Michal Vanco
2005-03-09 23:57                   ` Patrick McHardy
2005-03-10  0:43                     ` David S. Miller
2005-03-11  2:20     ` David S. Miller

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