Thomas Cataldo wrote:
On Sat, Apr 26, 2008 at 10:08 AM, Avi Kivity <[EMAIL PROTECTED]> wrote:
That strikes me as unlikely (though a valid scenario).
An alternative explanation is that we're seeing a nonpae guest, so each page
can be shadowed in two different roles (two quadrants for a pte page) or
even four (for a pgd page).
Thomas, are you running a 32-bit nonpae guest?
We reproduiced this on a production machine, running with :
[...]
kvm is version 66.
The offending guest was a 32bit winXp (don't know if this uses pae or
not) with 384mo of ram. we use tap networking and vnc access. The vms
on this server are qcow2 files stored lvm (this might be relevant as
lots of vfs calls are in the traces) :
/dev/mapper/volGroupe-VMs on /mnt/machines_virtuelles type ext3 (rw)
/dev/mapper/volGroupe-VMs_snapshots on /mnt/VMs_snapshots type ext3 (rw)
The command line used to start the vms looks like this :
/usr/bin/kvm -m 256 -hda /home/tom/kvm/root/root_vm.qcow2 -no-acpi
-net nic,model=e1000,macaddr=52:54:10:00:00:02 -net
tap,script=/etc/qemu-kvm.ifup,downscript=/etc/qemu-kvm.ifdown
-daemonize -monitor telnet:localhost:9002,server,nowait -vnc :2 -k fr
I attached our dmesg output with all the warnings we grabbed.
From the trace it looks like a nonpae guest (paging32_...). Anyway
this was fixed in kvm-68.
--
error compiling committee.c: too many arguments to function
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