Re: [Xen-users] ubuntu kernels 2.6.39+ don't boot as hvm domU

[Todd Deshane <todd.deshane@xxxxxxx>]

On Fri, Jun 10, 2011 at 1:20 PM, Heiko Wundram <modelnine@xxxxxxxxxxxxx> wrote:
> Am 06.06.2011 17:00, schrieb Mark Dokter:
>>
>> On 6/6/11 4:32 PM, Martins Lazdans wrote:
>>>
>>> Try to wait at that point for some time. It should return to init
>>> console. Maybe init is trying to boot non-existing/misconfigured device.
>>>
>>
>> I left it over night, but there was still nothing. No change at the
>> console (serial, vnc) and no ping response.
>> I also tried the xen_emul_unplug=never kernel parameter because I
>> thought there might be an issue with the xen pv-hvm drivers, but that
>> wasn't the case.
>> I did not change anything but the kernel image with the result that
>> 2.6.38 boots and 2.6.39 or 3.0rc1 do not.
>
> Just to follow up on this: gentoo-patched 2.6.39 (and 2.6.39-r1) have the
> same behaviour, i.e. I can't get them to boot as PV-on-HVM-kernels with a
> configuration that works for 2.6.38.
>

Can you try with 3.0-rc2 or later? There were some fixes added.

Also, there were some VGA patches that didn't make it into 3.0

but that are in:
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/2.6.39.x

http://xen.markmail.org/search/?q=konrad+date%3A201106+vga#query:konrad%20date%3A201106%20vga+page:1+mid:cxe4dhs7mleuo2x5+state:results

Failing those. Please post the logs to the xen-devel mailing list with
the details of the problem including the kernel details.

Don't be afraid to post to xen-devel, but do read:
http://wiki.xensource.com/xenwiki/AskingXenDevelQuestions

Thanks,
Todd

> The result I'm seeing is that the genkernel-generated ramdisk starts
> scanning for modules, but when reaching either uhci_ucd (to scan for), or
> dm-mirror/dm-snapshot (when usb is disabled), freezes at that point.
>
> In the Dom0 I can see one CPU core of the DomU fully pegged, but other than
> that, the system becomes completely unresponsive.
>
> If there's interest in the config, I can post that.
>
> For now, I've stuck with 2.6.38.
>
> --
> --- Heiko.
>
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>



-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html
http://runningxen.com/

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