Hi Pasi,
Ok so at this point, I've reformatted the HVM domU. The "xm save"
followed by "xm restore" operation DOES work. I suspect its because I
have no GPLPV drivers installed on this system -- even though they were
disabled on the previous domU which was having problems.
I'm updating the machine to SP2 and giving it the rest of its security
updates. After that, I'll try again and confirm that things still work.
Once I confirm 32-bit HVM domU save/restore/migrate on 64-bit dom0 does
indeed function properly, I'll try again with the GPLPV drivers. If it
seems to be an issue with the GPLPV drivers, I'll start a new thread on
xen-users and hopefully it will catch James Harper's eye.
While I did get the GPLPV drivers installed and they seemed to function
properly, I'm not sure if everything was still perfect -- the docs on
the wiki for the PV driver installation seem to be a bit old and quite
conflicting in back-to-back sentences heh. *shrug*.
Thanks for your help Pasi.
Pasi Kärkkäinen wrote:
> On Fri, Jul 31, 2009 at 10:39:42AM -0400, Joshua West wrote:
>
>> Hi Pasi,
>>
>> Regarding your questions below:
>>
>> * I am running linux-2.6.18-xen.hg (changeset 922 ... aka the latest).
>> * dom0 OS is RHEL 5.3; however I am using all custom built rpms (which
>> I wrote) for Xen 3.4.1-rc10.
>> * I haven't tried this on any kernel other than 2.6.18.8... nor do I
>> wish to.
>>
>
> Ok, so that's all good.
>
>
>> * The Windows machine has the GPLPV drivers installed, but the issue
>> occurs even with them disabled.
>>
>> I will now reformat the Windows VM and do a fresh install, just to fully
>> eliminate the possibility of GPLPV causing the issue.
>>
>>
>
> That's good to try. Also try with vcpus=1, if you had multiple vcpus for the
> HVM guest.
>
>
>> If the issue still persists with the fully redone 32-bit HVM domU on my
>> 64-bit dom0's, I will repost the thread on xen-devel.
>>
>>
>
> Yes, you should.
>
>
>> If you or anybody else needs the kernel configurations, my RPM .spec
>> files to see how things were built, or the domU saved copy itself, no
>> problem - just let me know and I'll post it on the web.
>>
>>
>
> Would be nice to take a look at those..
>
> -- Pasi
>
>
>> Thanks.
>>
>> Pasi Kärkkäinen wrote:
>>
>>> What dom0 kernel you are running?
>>>
>>> If something else than linux-2.6.18-xen.hg please try with that instead.
>>>
>>>> Also if you can reproduce this problem running linux-2.6.18-xen on dom0,
>>>> then please send an email to xen-devel about this. Keir wants to release
>>>> Xen
>>>> 3.4.1 final early next week, and this sounds like something that might be
>>>> good to check before the release.
>>>>
>>>> If this problem happens running for example Debian lenny 2.6.26-xen kernel
>>>> in dom0,
>>>> or some other 2.6.27, 2.6.29, 2.6.30 dom0 kernel then it _could_ be a bug
>>>> in
>>>> them, and not in Xen.
>>>>
>>>>
>>>>
>>> Oh, one more thing: If you are running GPLPV drivers in Windows, please try
>>> without them!
>>>
>>> -- Pasi
>>>
>>>
>>>
>> --
>> Joshua West
>> Senior Systems Engineer
>> Brandeis University
>> http://www.brandeis.edu
>>
>>
--
Joshua West
Senior Systems Engineer
Brandeis University
http://www.brandeis.edu
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