Re: [Xen-users] xm save fails with Error when writing to state file (5):

[fess <fess-xenlists@xxxxxxxx>]

My appologies, for not figuring this out earlier.

The problem was I ran out of diskspace, on the filesystem I was trying 
to save to.
[ the error messages sure helped obfuscate the problem. ]

Anyhow, problem solved.

On May 8, 2006, at 10:41 PM, fess wrote:

> Help,  I'm trying to get save/restore working, and I keep running into 
> troubles.
> I don't know where to look next.
>
> first I had to get to xen-3.0.2 in order to enable CONFIG_HOTPLUG_CPU 
> guess x86_64 didn't have it yet
> Then I had one success, with one domU,  save, restore,  etc. 
> [w/debian]  Then I attempted  with another domU,
> [w/centos and 7G of ram.]  and it failed.   Since then I haven't been 
> able to save any domU.
> xm save just fails, and leaves the domU in shutdown state.
>
> [root ~]# xm list
> Name                              ID Mem(MiB) VCPUs State  Time(s)
> Domain-0                           0      251     1 r-----    28.2
> old_herbie                         3      768     2 -b----     0.7
> [root ~]# xm save old_herbie old_herbie.xensav
> Error: /usr/lib64/xen/bin/xc_save 10 16 3 0 0 0 failed
> [root@herbieII ~]# xm list
> Name                              ID Mem(MiB) VCPUs State  Time(s)
> Domain-0                           0      251     1 r-----    32.0
> old_herbie                         3      768     1 ---s--     0.8
>
> Xend.log says this:
>
>
> [2006-05-08 22:28:41 xend] DEBUG (XendCheckpoint:80) [xc_save]: 
> /usr/lib64/xen/bin/xc_save 10 16 3 0 0 0
> [2006-05-08 22:28:41 xend] DEBUG (XendCheckpoint:200) suspend
> [2006-05-08 22:28:41 xend] DEBUG (XendCheckpoint:83) In 
> saveInputHandler suspend
> [2006-05-08 22:28:41 xend] DEBUG (XendCheckpoint:85) Suspending 3 ...
> [2006-05-08 22:28:41 xend.XendDomainInfo] DEBUG (XendDomainInfo:877) 
> XendDomainInfo.handleShutdownWatch
> [2006-05-08 22:28:41 xend.XendDomainInfo] DEBUG (XendDomainInfo:877) 
> XendDomainInfo.handleShutdownWatch
> [2006-05-08 22:28:42 xend.XendDomainInfo] INFO (XendDomainInfo:836) 
> Domain has shutdown: name=migrating-old_herbie id=3 reason=suspend.
> [2006-05-08 22:28:42 xend] INFO (XendCheckpoint:88) Domain 3 suspended.
> [2006-05-08 22:28:42 xend] DEBUG (XendCheckpoint:91) Written done
> [2006-05-08 22:28:42 xend] ERROR (XendCheckpoint:227) Had 0 
> unexplained entries in p2m table
> [2006-05-08 22:28:57 xend] ERROR (XendCheckpoint:227) Saving memory 
> pages: iter 1  95%Error when writing to state file (5): 0
> [2006-05-08 22:28:57 xend] ERROR (XendCheckpoint:227) Save exit rc=1
> [2006-05-08 22:28:57 xend] ERROR (XendCheckpoint:99) Save failed on 
> domain old_herbie (3).
> Traceback (most recent call last):
>   File "/usr/lib64/python/xen/xend/XendCheckpoint.py", line 93, in save
>     forkHelper(cmd, fd, saveInputHandler, False)
>   File "/usr/lib64/python/xen/xend/XendCheckpoint.py", line 218, in 
> forkHelper
>     raise XendError("%s failed" % string.join(cmd))
> XendError: /usr/lib64/xen/bin/xc_save 10 16 3 0 0 0 failed
> [2006-05-08 22:29:23 xend.XendDomainInfo] INFO (XendDomainInfo:836) 
> Domain has shutdown: name=old_herbie id=3 reason=suspend.
> Any help would be much appreciated, I don't know where to go from here.
>
>
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