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[Qemu-devel] [Bug 1037675] Re: Guest Kernel Panic if using "-cpu host" i
From: |
Michael Tokarev |
Subject: |
[Qemu-devel] [Bug 1037675] Re: Guest Kernel Panic if using "-cpu host" in qemu-kvm 1.1.1 |
Date: |
Thu, 16 Aug 2012 19:21:08 -0000 |
First of all, your kernel panic screenshot is incomplete: it lacks the
most important information which were scrolled off the (virtual) screen.
Please enable serial console and capture whole OOPs in a text form.
Second, it isn't clear whenever this is HOST kernel panic or GUEST
kernel panic. I assume it is guest.
Third, you nevrer said which guest (kernel) it is.
And forth, gentoo is very well known for breaking qemu-kvm by their
"hardened" patches. Disable the hardening and retry.
/mjt
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https://bugs.launchpad.net/bugs/1037675
Title:
Guest Kernel Panic if using "-cpu host" in qemu-kvm 1.1.1
Status in QEMU:
New
Bug description:
After Upgrading to qemu-kvm-1.1.1-r1 from version 1.0.1-r1 my virtual
machines (running gentoo linux) panic at intel_pmu_init. (detailed
information including stacktrace are in the uploaded screenshot). When
i remove the "-cpu host" option, the system starts normally.
the command line from whicht the system is bootet:
qemu-kvm -vnc :7 -usbdevice tablet -daemonize -m 256 -drive
file=/data/virtual_machines/wgs-l08.img,if=virtio -boot c -k de -net
nic,model=virtio,macaddr=12:12:00:12:34:63,vlan=0 -net
tap,ifname=qtap6,script=no,downscript=no,vlan=0 -smp 2 -enable-kvm
-cpu host -monitor unix:/var/run/qemu-
kvm/wgs-l08.monitor,server,nowait
also reported on gentoo bug tracker (with some more details of the
host): https://bugs.gentoo.org/show_bug.cgi?id=431640
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