Date: Thu, 18 Aug 2005 01:55:09 +0200 From: Palle Girgensohn <girgen@FreeBSD.org> To: Rutger Bevaart <rutger.bevaart@illian.net>, freebsd-smp@freebsd.org Subject: Re: FreeBSD unstable on Dell 1750 using SMP? Message-ID: <54A5EA8AE63A943A718F6AF2@palle.girgensohn.se> In-Reply-To: <24434.193.172.18.3.1121433324.squirrel@193.172.18.3> References: <24434.193.172.18.3.1121433324.squirrel@193.172.18.3>
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--On fredag, juli 15, 2005 15.15.24 +0200 Rutger Bevaart <rutger.bevaart@illian.net> wrote: > > hello list, > > For the past year we've been running several Dell PowerEdge 1750 servers > on FreeBSD 4.10, 4.11 and 5.3. All these machines have dual Xeons running > with HT enabled. This install has proven to be unstable in that the > machine will reboot between 3 days and 170 days without apparant reason. > No log is written. Other machines we have with a single CPU (HT enabled) > do not experience this problem. > > As it is present in both 4.x and 5.x and googling the last year has not > revealed similar experience I'm consulting this list. As all of these > machines are productions machines that have a continuous load (not heavly > load, but a light average - some peaks) it's not easy to experiment with > HT setting etc. I dislike driving to the datacenter for locked systems > with fubarred kernels ;-) > > The only error i've ever seen just before a reboot is "bge0: discard frame > w/o packet header" on the 5.3 machine. Late comment while browsing the list for tips... No good clues, I'm afraid, but we have a 2850, and it is far from stable, crashing within hours when running SMP, often but not always under high load. Single CPU works like a charm. This is very annoying, to say the least. See my posts on amd64@ around June 15. FreeBSD 5.4p1 (amd64). Dell 2850 with dual Xeon CPUS, EM64T. /Palle
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