Re: [libvirt-users] gentoo linux, problem starting vm´s when cache=none

hello mailinglist, on gentoo system with qemu-1.6.1, libvirt 1.1.4, libvirt-glib-0.1.7, virt-manager 0.10.0-r1 when i set on virtual machine "cache=none" in the disk-menu, the machine faults to start with: << Fehler beim Starten der Domain: Interner Fehler: Prozess während der Verbindungsaufnahme zum Monitor beendet :qemu-system-x86_64: -drive file=/raid6/virtual/debian-kaspersky.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,aio=native: could not open disk image /raid6/virtual/debian-kaspersky.img: Invalid argument Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 100, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 122, in tmpcb callback(*args, **kwargs) File "/usr/share/virt-manager/virtManager/domain.py", line 1210, in startup self._backend.create() File "/usr/lib64/python2.7/site-packages/libvirt.py", line 708, in create if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self) libvirtError: Interner Fehler: Prozess während der Verbindungsaufnahme zum Monitor beendet :qemu-system-x86_64: -drive file=/raid6/virtual/debian-kaspersky.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,aio=native: could not open disk image /raid6/virtual/debian-kaspersky.img: Invalid argument >> when i switch back to cache=default, the machine start like a charm. any ideas why? i cant find anything in logs, only this "invalid argument".