Date: Sat, 19 Nov 2011 19:40:25 -0600 From: "Conrad J. Sabatier" <conrads@cox.net> To: jau@iki.fi Cc: questions@freebsd.org Subject: Re: AMD64 with 9.0 PRERELEASE freezing/hanging without any messages Message-ID: <20111119194025.1ea5eec6@cox.net> In-Reply-To: <201111191054.pAJAsI9q087098@jau.iki.fi> References: <201111191054.pAJAsI9q087098@jau.iki.fi>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, 19 Nov 2011 12:54:18 +0200 (EET) jau@iki.fi (Jukka A. Ukkonen) wrote: > > Hello, > > Has anyone else noticed a similar odd behavior with AMD64 and 9.0 > prerelease (as well as RCs and betas)? Yes, I've seen a few of these myself, under both of the RCs and PRERELEASE. No idea what the cause is, though. Impossible to track down. > On my 12 core (2*4162EE) the whole system just freezes quite often > without any warning, without any messages being logged. Neither is > there any panic message from the kernel. The system just suddenly > hangs such that there is no alternative but to reboot using the > reset button. Yes, exactly the same here. Doesn't happen often, but it does happen. > At the moment I don't have any further info about the cause of the > problem, but quite often the freeze has happened when there has been > some network activity. > Does anyone have an idea how to start tracking down such a problem? > I mean anything in addition to this... > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-options.html Sorry, wish I had a clue as to how to pinpoint the cause of these hangs. There's no record anywhere of what may have gone wrong. If you find out anything, please let us know. -- Conrad J. Sabatier conrads@cox.net
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20111119194025.1ea5eec6>