Re: [Xen-users] how to migrate pv guest from Xen 4.1.4 -> 4.3.2

[Wei Liu <wei.liu2@xxxxxxxxxx>]

[...]
> 
> I using dd to dump the logical volume to new machine, and try to start the
> domainU, but it crash repeatedly.
> 
> # cat fc17.cfg
> name = "fc17"
> memory = 4096
> vcpus = 4
> bootloader = "pygrub"
> localtime = 0
> on_poweroff = "destroy"
> on_reboot = "restart"
> on_crash = "restart"

You can change on_crash to "preserved" to prevent it from restarting.

> vfb = [ 'type=vnc,vncdisplay=6,vnclisten=0.0.0.0,vncpasswd=password' ]
> vnc = 1
> vncunused = 0
> vncdisplay = 3
> disk = [ "phy:/dev/vg01/vg01_fc17,xvda,w" ]
> vif = [ "bridge=xenbrdum,script=vif-bridge" ]
> parallel = "none"
> serial = "none"
> 
> 
> 
> # xl create fc17.cfg

... and use 'xl create -c fc17.cfg' to connect to DomU to get some
output.

> Parsing config from fc17.cfg
> Daemon running with PID 4778

Xen seems to be quite happy about this domain. So I guess this is
something related to pygrub and guest kernel. Need to get more log.

> #
> 
> 
> 
> # xl vncviewer fc17
> fc17 is an invalid domain identifier (rc=-6)
> 
> 
> # xl list
> Name ID Mem VCPUs State Time(s)
> Domain-0 0 81244 6 r----- 1857.5
> fc17 22 0 0 --p--- 0.0
> 
> # xl list
> Name ID Mem VCPUs State Time(s)
> Domain-0 0 81244 6 r----- 1859.7
> fc17 22 4096 1 --psc- 0.4
> 
> 
> # cat qemu-dm-fc17.log
> domid: 5

I think this is a stale log file. It says domid 5 but 'xl list' says
domid is 22.


Wei.

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