Description of problem:
When I use save button on screen to save a running hvm domain.
no any error messge show up, even though the save action failed.

Version-Release number of selected component (if applicable):
FC6GA
virt-manager-0.2.3-2.fc6


How reproducible:
Every time, it can be reproduced.

Steps to Reproduce:
1. Start a hvm domain
2. Select the save button and input the path where image will be located with 
virt-manager.
3. Push "save"
  
Actual results:
 Nothing show up, even though the save acction failed.
 The following log was got from the xend.log showing the save action failed
 and image was not saved. 
 -----
 [2006-10-27 14:13:43 xend 2459] DEBUG (XendCheckpoint:83)    
                      [xc_save]: /usr/lib/xen/bin/xc_save 21 6 0 0 0
 [2006-10-27 14:13:43 xend 2459] ERROR (XendCheckpoint:236) Couldn't
                      map p2m_frame_list_list (errno 14): 14
 [2006-10-27 14:13:43 xend 2459] ERROR (XendCheckpoint:236) Save exit rc=1
 [2006-10-27 14:13:43 xend 2459] ERROR (XendCheckpoint:106) Save failed
                      on domain Full_FC6GA_CD (6).
                      Traceback (most recent call last):
  -----


Expected results:
 If the save command failed, the error message should be output to user.
 
Additional info:
 For the reason why save command failed, that's a different issue from
 virt-manager, and will be reported with different bug.