Date: Wed, 23 Feb 2005 19:50:47 +0300 (MSK) From: Maxim Konovalov <maxim@macomnet.ru> To: Robert Watson <rwatson@freebsd.org> Cc: current@freebsd.org Subject: Re: Kernel profiling on a dual xeon with HTT leads to wedge? Message-ID: <20050223194943.M94267@mp2.macomnet.net> In-Reply-To: <Pine.NEB.3.96L.1050223131645.68237L-100000@fledge.watson.org> References: <Pine.NEB.3.96L.1050223131645.68237L-100000@fledge.watson.org>
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On Wed, 23 Feb 2005, 13:20-0000, Robert Watson wrote: > > I tried to turn on high precision kernel profiling on a dual Xeon box with > HTT (so four logical processors) at work today. Unfortunately, whenever I > do so, it seems to wedge hard within a few seconds. I can typically hit > enter on the serial console maybe 4-6 times before it hangs pretty solidly > (serial break doesn't work). I don't remember having this problem before, > but when I backed the kernel out fo Feb 7, Jan 1, Dec 1, and Nov 1 the > problem remained. I'm wondering if maybe I had HTT off on the box > previously, but can't turn it off remotely currently so can't try that > now. Does anyone else have kernel profilng working with >2 > physical/logical processors? Doesn't work for me even on RELENG_4 dual xeon/htt box. -- Maxim Konovalov
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