Your message dated Mon, 13 Apr 2015 13:08:47 +0200
with message-id <[email protected]>
and subject line Re: Bug#777154: Error starting domain: unable to set user and 
group to '123:138'
has caused the Debian Bug report #777154,
regarding Error starting domain: unable to set user and group to '123:138'
to be marked as done.

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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
777154: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777154
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: virt-manager
Version: 1:1.0.1-3
Severity: important

Currently I cannot mount *.iso if they are on my NFS share.
virt-manager will fail with:

Error starting domain: unable to set user and group to '123:138' on
'/media/nas/Tools/BizSpark/Windows7/virtio/virtio-win-0.1-81.iso':
Permission denied

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 91, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 127, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1355, in startup
    self._backend.create()
  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 999, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: unable to set user and group to '123:138' on
'/media/nas/Tools/BizSpark/Windows7/virtio/virtio-win-0.1-81.iso':
Permission denied

where:

$ mount
[...]
//192.168.0.32/Volume_1 on /media/nas type cifs
(rw,relatime,vers=1.0,sec=ntlm,cache=strict,username=mathieu,uid=1000,forceuid,gid=0,noforcegid,addr=192.168.0.32,unix,posixpaths,serverino,acl,rsize=1048576,wsize=65536,actimeo=1)

Of couse the solution is to copy the *.iso file in /tmp, but that is
really painful.

--- End Message ---
--- Begin Message ---
On Thu, Feb 05, 2015 at 05:30:49PM +0100, Mathieu Malaterre wrote:
> Package: virt-manager
> Version: 1:1.0.1-3
> Severity: important
> 
> Currently I cannot mount *.iso if they are on my NFS share.
> virt-manager will fail with:
> 
> Error starting domain: unable to set user and group to '123:138' on
> '/media/nas/Tools/BizSpark/Windows7/virtio/virtio-win-0.1-81.iso':
> Permission denied
> 
> Traceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/asyncjob.py", line 91, in 
> cb_wrapper
>     callback(asyncjob, *args, **kwargs)
>   File "/usr/share/virt-manager/virtManager/asyncjob.py", line 127, in tmpcb
>     callback(*args, **kwargs)
>   File "/usr/share/virt-manager/virtManager/domain.py", line 1355, in startup
>     self._backend.create()
>   File "/usr/lib/python2.7/dist-packages/libvirt.py", line 999, in create
>     if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
> libvirtError: unable to set user and group to '123:138' on
> '/media/nas/Tools/BizSpark/Windows7/virtio/virtio-win-0.1-81.iso':
> Permission denied

You can set

dynamic_ownership = 0

in qemu.conf to prevent this. Otherwise libvirt must have permissions to
ensure correct file ownership.
Cheers,
 -- Guido

--- End Message ---

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