Re: [Xen-users] Re: Xenified linux kernel

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Jan 06, 2010 at 01:22:55PM +0000, Andrew Lyon wrote:
> On Wed, Jan 6, 2010 at 1:18 PM, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:
> > On Wed, Jan 6, 2010 at 1:16 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> >> On Wed, Jan 06, 2010 at 11:38:36AM +0000, Andrew Lyon wrote:
> >>> On Wed, Jan 6, 2010 at 10:05 AM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:
> >>> > On Wed, Jan 6, 2010 at 4:56 PM, Andrew Lyon <andrew.lyon@xxxxxxxxx> 
> >>> > wrote:
> >>> >> I have just tested migration of a 64 bit pv domU and had no problem
> >>> >> reconnecting the console afterwards, I moved it 10 times to be sure
> >>> >> that it works reliably.
> >>> >>
> >>> >> I will test 32 bit pv domU once I have upgraded the kernel im my test 
> >>> >> domU.
> >>> >
> >>> > Weird. Could you send me your .config? At least this will help me
> >>> > pinpoint whether the problem is in my config or something else.
> >>> >
> >>> > --
> >>> > Fajar
> >>> >
> >>>
> >>> 32 bit domU also migrates successfully, I have attached the Xen and
> >>> kernel config files for both 32 and 64 bit pv domU, and also the 64
> >>> bit dom0 config for my Xen server.
> >>>
> >>> I had not setup a migration capable environment before so I simply
> >>> used file backed disks stored on a nfs server, this seems to work but
> >>> occasionally a domU will crash during startup complaining that it
> >>> cannot mount the root filesystem, I found that when this happens
> >>> starting the domain with -p and then unpausing it after a couple of
> >>> seconds will enable it to start, but once started I was able to
> >>> complete several migrations while processes were running in the domU
> >>> and it caused no problems.
> >>>
> >>
> >> Did you try tap:aio: disks instead of file: ?
> >>
> >> -- Pasi
> >>
> >>
> >
> > No, I will give that a try.
> >
> > Andy
> >
> 
> tap:aio behaves the same.
> 

Ok.. anything in "xm log", "xm dmesg" or dom0 "dmesg" ?

-- Pasi


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