Created attachment 403709 [details]
xend.log from source host

Description of problem:
Migrating a VM to a remote host will make the guest crash, if another guest with the same name exists on the remote host.

Version-Release number of selected component (if applicable):
xen-3.0.3-105.el5
kernel-xen-2.6.18-194.el5

How reproducible:
Always

Steps to Reproduce:
1. Prepare two hosts with shared storage
2. Start a VM named 'vm' in the destination host
3. Start another VM which is also named as 'vm', try to migrate the VM to the destination host:
# xm li
Name                                      ID Mem(MiB) VCPUs State   Time(s)
Domain-0                                   0     1833     4 r-----  16876.5
test2                                     28     1023     1 -b----    553.7
vm                                       125      511     4 -b----      7.8

# xm migrate vm -l 10.66.70.157
Error: /usr/lib64/xen/bin/xc_save 24 125 0 0 1 failed
Usage: xm migrate <Domain> <Host>

Migrate a domain to another machine.

Options:

-h, --help           Print this help.
-l, --live           Use live migration.
-p=portnum, --port=portnum
                     Use specified port for migration.
-r=MBIT, --resource=MBIT
                     Set level of resource usage for migration.

# xm li
Name                                      ID Mem(MiB) VCPUs State   Time(s)
Domain-0                                   0     1833     4 r-----  16886.0
test2                                     28     1023     1 -b----    553.8
vm                                       126      512     1 ----c-      0.4

  
Actual results:
The VM crashed when migration failed.


Expected results:
VM should not crash even migration failed.

Additional info: