Date: Tue, 15 Dec 2009 16:09:27 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: Stability problems with 7-stable (after 7.1 -> 7.2 -> 7-stable) Message-ID: <hg88r8$apk$1@ger.gmane.org> In-Reply-To: <20091215153543.2686145v583um280@webmail.leidinger.net> References: <20091215153543.2686145v583um280@webmail.leidinger.net>
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Alexander Leidinger wrote: > Hi, > > please CC me on replies. > > I have a system which was at 7.1-pX. After the update to 7.2-p5 it > started to exhibit deadlocks after some minutes of uptime. > > With 7.1 (generic kernel) it was running fine, with 7.2 generic the > problems started directly. > > The system is now at 7-stable with a custom kernel > (http://www.Leidinger.net/test/ALCATRAZ), basically generic without > unneeded drivers plus witness/invariants/sw-watchdog. > > The system is an AMD Dual Core with NVidia MCP61 chipset > (http://www.Leidinger.net/test/dmesg.alcatraz), 2 GB RAM, 2 harddisks > and FreeBSD 32bit install. Some generic things to try: - did you monitor the system with something (top or systat -vm) to see if there is something unusual, like interrupt storms? - no physical access is a problem; If you do manage it, I'd say try running single user for some time with systat -vm just to see what happens. I would not trust ZFS in 7-stable since it lags a bit behind patches done to 8 but 7.2 should be fine - at least I don't have any such problems with it (though no AMD boxes to test them with it). If you haven't updated your ZFS pools, I'd suggest reverting back to 7.1, then building or downloading an 8.0 kernel and try it with 7.1 userland (reboot -k ...) simply to see if it helps.
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