Date: Thu, 28 Feb 2008 22:21:22 +1100 From: "Dale Shaw" <dale.shaw@gmail.com> To: freebsd-questions@freebsd.org Subject: FreeBSD 6.0-REL, system lockup, recovers when keyboard pressed Message-ID: <3329cbb40802280321o646e802bk97da4279adb3c525@mail.gmail.com>
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Hi all, I'm sorry if this is a FAQ. I searched but couldn't find a direct match yada yada.. I have a vanilla 6.0-RELEASE system running a bunch of network management type tools like RANCID, nfcapd, cacti and so on. After a few days of normal operation, the system (locked away in a data centre) falls off the network. Can't SSH to it, can't ping it. No ARP -- gone! I have no OOB access to this machine (it's a test box/play pen). Strangely, when I drive out and visit the machine (a HP DL320) in person and press enter a couple of times on the keyboard, it springs back to life like nothing ever happened. I literally see (for example) log entries dated "Feb 07" immediately followed by entries dated "Feb 28". Some processes lose the plot and need to be restarted, but others just continue on their merry way. In my searching I have found a couple of references to dodgy keyboard drivers, problems with systems on KVM switches (like this one is), and power management issues. Any clues? Unfortunately tracking -STABLE is not really an option for me on this box, but I'm more than happy to update and build a new kernel on a once-off basis if someone says it's a known bug/problem sorted out in a post-6.0-RELEASE fix. cheers, Dale
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