Date: Mon, 17 Nov 2014 21:25:24 +1030 From: Andrew McDonnell <bugs@andrewmcdonnell.net> To: freebsd-bugs@freebsd.org Cc: mamamtum@gmail.com Subject: Re: FreeBSD amd64 randomly reboots under high load (KVM) Message-ID: <5469D41C.2030004@andrewmcdonnell.net>
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Hi Matthew > Hello, > > I'm experiencing strange behaviour with any FreeBSD 64bit running under KVM > Qemu. When machine is under high load for example compiling from ports, > after a random time it will get rebooted with no piece of information in > logs or what so ever. In this case I'm unable to get any kernel > panic/traces (kdb is enabled). On the KVM side also there are no error > logs. > > This is confirmed on FreeBSD amd64 8.4; 9.0; 9.1; 9.2-RC and 10-Current. > > Anyone experienced such behaviour on 64bits or mayby have a clue how can I > debug this? This exactly is happening to me now. My host is a Debian Wheezy AMD64 running Qemu kvm 2.0.0+dfsg-4~bpo70+1 My guest is FreeBSD 10 FreeBSD 10.0-RELEASE (GENERIC) #0 r260789 And part way through make world via freebsd-wifi-build/build/bin/build I am experiencing spontaneous reboots. My kvm command line is: kvm --enable-kvm -localtime -m 1536 -smp 2 -k en-us -hda freebsd.qcow2 \ -soundhw sb16 -net nic -net user,hostfwd=tcp::62222-:22 -monitor stdio I built this VM and a build of world kernel install etc. completed without problems yesterday. But today when I repeated after a clean I am experiencing the problem. I am wondering whether having accidentally killed the guest corrupted to disk somehow, but the problem keeps happening even after running fsck on / > > With kind regards, > Matthew HTH, Andrew -- http://blog.oldcomputerjunk.net https://au.linkedin.com/in/amcdonnell https://github.com/andymc73 Twitter: @pastcompute GPG: http://www.andrewmcdonnell.net/gpg.html
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