Date: Tue, 21 Apr 2009 12:11:32 -0400 From: Mike Tancsa <mike@sentex.net> To: Ruslan Ermilov <ru@FreeBSD.org> Cc: Robert Watson <rwatson@FreeBSD.org>, freebsd-stable@FreeBSD.org, John Baldwin <jhb@FreeBSD.org> Subject: Re: RELENG_7 crash Message-ID: <200904211610.n3LGAYll090970@lava.sentex.ca> In-Reply-To: <20090421153112.GA47589@edoofus.dev.vega.ru> References: <200904210524.n3L5O9YS086865@lava.sentex.ca> <200904211111.57295.jhb@freebsd.org> <200904211519.n3LFJFsk090691@lava.sentex.ca> <20090421153112.GA47589@edoofus.dev.vega.ru>
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At 11:31 AM 4/21/2009, Ruslan Ermilov wrote:
>:
>: Note that these changes simply close races around use of ifindex_table,
>: and make no attempt to solve the probem of disappearing ifnets. Further
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>: refinement of this work, including with respect to ifindex_table
>: resizing, is still required.
>:
>: In a future change, the ifnet lock should be converted from a mutex to an
>: rwlock in order to reduce contention.
Hi,
Thanks for the info! In the mean, time, apart from
disabling snmpwalking, is there anything I can do to mitigate
triggering this bug ? The box runs ospf/zebra for routing daemons and
mpd53 for l2tp LNS termination.
---Mike
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