[Xen-devel] [BUG] xm create with an invalid kernel, get a generic domain and RAM occupied

["Christopher S. Aker" <caker@xxxxxxxxxxxx>]

2.0.5 stable tools

I know this is unusual, but if you start a domain with an invalid kernel 
(/bin/true,
or a mis-configured kernel, doesn't matter), xend errors out, but creates a
generically named domain and occupies the memory.

# xm info | grep free
free_memory            : 861

# cat foo.conf
kernel = "/bin/true"
name = "badkerneltest"

# xm create -f foo.conf -c
Using config file "foo.conf".
Error: Error creating domain: (9, 'Bad file descriptor')

# xm info | grep free
free_memory            : 765

# xm list
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0           0      123    0  r----  18173.9
Domain-64         64       96    3  --p--      0.0

==> /var/log/xend.log <==
[2005-04-02 13:26:45 xend] ERROR (SrvBase:162) op=create: Error creating 
domain: (0,
'Error')
Traceback (most recent call last):
  File "/usr/lib/python/xen/xend/server/SrvBase.py", line 107, in _perform
    val = op_method(op, req)
  File "/usr/lib/python/xen/xend/server/SrvDomainDir.py", line 71, in op_create
    raise XendError("Error creating domain: " + str(ex))
XendError: Error creating domain: (0, 'Error')

It seems like xm/xend tries to continue allocating the domain, when it should 
error
out completely.

-Chris


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