I am running 2.6.23.1 with kvm built from that tree as a module. My system is running Debian/testing on a Tyan board with two dual-core Opteron 2216 processors; each socket has 4G of RAM. I have attached the serial console dump including a bunch of output from SysRq (gzipped, because it was 300k otherwise). I have ran multiple passes of memtest, and I can build the kernel with -j8, but when I run kvm the host freezes. A bit about the system: quark# cat /proc/version Linux version 2.6.23.1 (root@quark) (gcc version 4.2.1 (Debian 4.2.1-4)) #5 SMP Fri Oct 19 14:10:30 EDT 2007 quark# kvm --help QEMU PC emulator version 0.9.0, Copyright (c) 2003-2007 Fabrice Bellard My kvm is started as follows; the guest is a 64bit version of RHEL5 (redhatized 2.6.18 kernel). kvm -m 512 -vnc quark:12 -k en-us -usbdevice tablet -serial vc -k en-us -boot c -hda rhel5.img -net nic,vlan=0 -net user,vlan=0 -redir tcp:2222::22 -redir tcp:8080::8080 -redir udp:8080::8080 I added --no-acpi with no improvement. I also tried running with taskset -c 0 with no improvement. Once the system is booted, I attached using vnc, then I ssh in and ran 'svn update'... and the host machine froze. The last messages I on my serial console are: kvm: unhandled rdmsr: 0x417 kvm: unhandled rdmsr: 0xc0000400 kvm: unhandled rdmsr: 0xc0000401 kvm: unhandled rdmsr: 0xc0000402 kvm: unhandled rdmsr: 0xc0000403 kvm: unhandled rdmsr: 0xc0000404 kvm: unhandled rdmsr: 0xc0000405 kvm: unhandled rdmsr: 0xc0000406 kvm: unhandled rdmsr: 0xc0000407 And then freeze. As this is pretty easy to reproduce, I am quite happy to run any patches or configurations that people come up with :) I noticed that linus merged a bunch of KVM changes last week. I will try those out next. Thanks in advance for looking at this. -Bart -- WebSig: http://www.jukie.net/~bart/sig/
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system-info.gz
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serial-console-dump.gz
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config-2.6.23.1.gz
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