[Xen-devel] live migration hvm guest with pv drivers for ia32/pae status report

["Zhao, Fan" <fan.zhao@xxxxxxxxx>]

Hi Keir,
Thanks for your reply, I haven't verified the 1) issue because r14861 is still 
in the staging tree, and I will test it after it has been in xen-unstable. 
I did some further test for hvm guest with pv drivers on pae platform live 
migration w/ r14854 since I believe s/r hvm guest with pv drivers is stable 
from my previous test. 
The detail report is:
1) live migrate ia32 up hvm guest with vbd while doing kernel build for many 
times -- pass
2) live migrate ia32 up hvm guest with vnif while scping files from another 
machine from many times -- pass
3) live migrate ia32 smp hvm guest with vbd while doing kernel build for many 
times -- pass
4) live migrate ia32 smp hvm guest with vnif while scping files from another 
machine from many times -- fail
   After several times' live migration, it is possible that the guest is still 
alive on the original machine, and there is a domain whose state is -bp--- on 
the dest machine, and I also met the failure that the scp is stalled after 
several times live migration in other conditions. BTW, I found that the scp 
speed is very slow(about 3MB/s) for me after vnif is inserted, not sure if the 
live migration failure relates with this. Logs are attached.

Best regards,
Fan


-----Original Message-----
From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx] 
Sent: 2007年4月16日 18:45
To: Zhao, Fan; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] save/restore quality status report w/ r14854

On 16/4/07 08:19, "Zhao, Fan" <fan.zhao@xxxxxxxxx> wrote:

>   1) save ia32e hvm guest with pv drivers has problem, the guest is 512M, but
> xm save command does not return, the guest is still alive and xm dmesg shows:
> 　　　　(XEN) hvm.c:754:d4 HVM vcpu 4:0 bad hypercall 29.
>     And s/r an hvm guest without pv drivers is okay.

Hopefully fixed by r14861. Dexuan's fix for PV guest destroy is also checked
in, as r14860.

>   2) sdl guest will be restored as vnc one.

We don't usually test with sdl enabled, so I won't be able to fix this one
myself.

 -- Keir

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