netdev
[Top] [All Lists]

Re: 2.6.11 on AMD64 traps

To: netdev@xxxxxxxxxxx
Subject: Re: 2.6.11 on AMD64 traps
From: Michal Vanco <vanco@xxxxxxxx>
Date: Wed, 9 Mar 2005 21:24:34 +0100
Cc: Patrick McHardy <kaber@xxxxxxxxx>, Andre Tomt <andre@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>
In-reply-to: <422F525F.90404@trash.net>
Organization: Satro, s.r.o.
References: <200503081900.18686.vanco@satro.sk> <422DF07D.7010908@tomt.net> <422F525F.90404@trash.net>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: KMail/1.7.2
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 VanÄo
Network Engineer
SATRO s.r.o.
e-mail: vanco@xxxxxxxx

Attachment: pgpy1yFMalPpn.pgp
Description: PGP signature

<Prev in Thread] Current Thread [Next in Thread>