http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1328
------- Comment #4 from bruno.plantier@xxxxxxxxxxxxxxxx 2008-10-28 03:21
-------
I have the same bug here and i confirm your walkaround is working.
One strange bahviour is that, after doing one successfull migration (with your
walkaround or with an offline- instead of a live- migration ) all the further
migration on this domU will be fine.
(In reply to comment #3)
> Hi Tom,
>
> I got it!
> We havet to set "cpu" entry in /etc/xen/<Domain> to assign certain CPUs to one
> VPU.
> It can be also set with "xm vcpu-pin" from command line.
> You can check its status using "xm vcpu-list".
>
> This is my configuration;
> -----------------------------------------------------------------
> name = "dom-ua1"
> uuid = "94d0f9b4-08f6-448c-8c9b-91ca999a5f4b"
> maxmem = 2048
> memory = 2048
> vcpus = 1 # the number of vcpu is "1"
> cpus = "0" # assigned cpus is allocated at "0"
> bootloader = "/usr/bin/pygrub"
> on_poweroff = "destroy"
> on_reboot = "restart"
> on_crash = "restart"
> vfb = [ "type=vnc,vncunused=1,keymap=ja" ]
> disk = [ "phy:/dev/sdf1,xvda,w","tap:aio:/dev/sdf3,/dev/sdf,w!", ]
> vif = [ "ip=192.168.201.146/24,mac=00:16:3e:13:32:27,bridge=xenbr0",
> "ip=192.168.101.146/24,mac=00:16:3e:13:32:28,bridge=xenbr1",
> "ip=192.168.102.146/24,mac=00:16:3e:13:32:29,bridge=xenbr2",
> "ip=192.168.16.146/22,mac=00:16:3e:13:32:30,bridge=xenbr3", ]
> -----------------------------------------------------------------
>
> !!! NOTICE !!! :)
>
> The live migration would work fine the above setting.
> but if you call "xm vcpu-list" after migration,
> you would find that the status of cpu is changed like "any cpu".
> It seems that the live migration can not take over this configuration for now.
> It might be improved with the latest version, I hope.
> So, you had better to reset the cpu status with "xm vcpu-pin" after migration,
> if not, the return migration would fail.
>
> If you can confirm that this configuration can work fine,
> close this buggzila, please.
>
> Thanks!
>
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