From owner-freebsd-stable  Fri May 12 16:11:16 2000
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Message-ID: <391C8F8B.A5766D2E@we.lc.ehu.es>
Date: Sat, 13 May 2000 01:11:07 +0200
From: "Jose M. Alcaide" <jose@we.lc.ehu.es>
Organization: Universidad del Pais Vasco - Dpto. de Electricidad y Electronica
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To: stable@FreeBSD.ORG
Subject: Re: [FIXED] trap 12 in in_delayed_cksum() (netinet/ip_output.c)
References: <391839A7.C0AC0D71@we.lc.ehu.es>
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"Jose M. Alcaide" wrote:
> 
> After I cvsupped and made the world yesterday, one of my 4.0-STABLE
> systems panics with a trap 12 while there is high network activity.
> I can reproduce the panic, for example, doing a ping -f to the system
> while trying to connect via ssh from another machine. Also, the
> network file transfers are slow and frequently get blocked for several
> seconds, especially when using scp (and eventually panic the system).
> 
> [...]

The panic was caused by a bug in sys/dev/vx/if_vx.c, triggered by
the new delayed checksum code.

Bug found and fixed in if_vx.c v1.26 (HEAD) and v1.25.2.1 (RELENG_4)
by Jonathan Lemon.

-- JMA


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