Date: Fri, 22 Oct 2010 16:49:06 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: repeating crashes with 8.1 Message-ID: <i9s892$spp$1@dough.gmane.org> In-Reply-To: <201010221425.o9MEPcWC094867@lava.sentex.ca> References: <m2zku7cqt5.wl%randy@psg.com> <m2y69rcqjc.wl%randy@psg.com> <201010221416.o9MEGSa0094817@lava.sentex.ca> <m2tykeb9ac.wl%randy@psg.com> <201010221425.o9MEPcWC094867@lava.sentex.ca>
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On 10/22/10 16:25, Mike Tancsa wrote: > At 10:18 AM 10/22/2010, Randy Bush wrote: >> > Do you know how this panic is triggered ? Are you able to >> > create it on demand ? >> >> no i do not. bring server up and it'll happen in half an hour. >> >> and the server was happy for two months. so i am thinking hardware. > > Perhaps. The reason I ask is that I had a box go down last night with > the same set of errors. The box has a number of ipv6 routes, but its > next hop was down and the problems started soon after. So I wonder if it > has something to do with that. Do you have ipv6 on this box and are all > the next hop addresses correct / reachable ? > > Oct 22 02:06:02 i4 kernel: em1: discard frame w/o packet header > Oct 22 02:06:10 i4 kernel: em2: discard frame w/o packet header > Oct 22 02:06:21 i4 kernel: em1: discard frame w/o packet header FWIW I had a series of crashes with those characteristics which I suspected were IPv6 or 6to4-related on 8.0-RELEASE and 8-STABLE which eventually made me give up on IPv6 - it was crashing too often (couple of times a week). I have at least a couple of threads on this on freebsd-net@ (without resolution).
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