[libvirt] kqemu

[Zvi Dubitzky]

Hi
I could not get an answer from the users list . Maybe here someone can 
give some advice .

we have a Linux 64 bit system with qemu 0.9.1-10 ( uname -a  = 
2.6.26-2-amd64)  installed . kvm is included and loaded to memory .
Still when we create a VM  we sometimes get the following error message:

libvir: QEMU error : internal error unable to start guest: You do not have 

enough space in '/dev/shm' for the 499 MB of QEMU virtual RAM.
To have more space available provided you have enough RAM and swap, do as 
root:
mount -o remount,size=515m /dev/shm
Or disable the accelerator module with -no-kqemu

After we do the mount (as advised)  we can create the VM . Does the error 
mean that kvm is 
not active ? It seems that kqemu is an old way to do the duties of kvm e.g 
supply memory to VMs via /dev/shm . Is there a way to avoid that error ? I 
guess the  -no-kqemu should be 
to qemu but we do not have control over the invokation of qemu by libvirt.

thanks 

Zvi Dubitzky 
Email:dubi at il.ibm.com