Re: [Qemu-discuss] gentoo linux, vanilla 3.10.23, libvirt 1.1.4, libvirt-glibc 0.1.7 , qemu 1.6.0-r1 problem with cache =none

[Fam Zheng]

On 2013年12月12日 16:01, Marko Weber | 8000 wrote:
> 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

Direct IO is unavailable on your xfs fs, which can be tested with:

$ strace dd of=/raid6/virtual/foo.tmp oflag=direct

You'll see open() with O_DIRECT failed and returning EINVAL if I'm right.

If so, xfs mailing list might be able to help.

Fam