Xen users - Apr 2011 - Natty HVM with Xen 4.1 not working anymore

Hallo everybody,
on my server (dom0) ran debian squeeze with the debian pv-ops kernel and xen
4.0.2-rc-something without any problems (even vga passthrough was working).
yesterday i updated xen to version 4.1.1-rc1-pre-something. so far
everything is still working (pci passhtrough, pv-domus..) but i noticed,
that my Ubuntu Natty HVM DomU with PV-on-HVM drivers wont come up. after
looking at the boot up screen, i saw that there are some problems while
loading the xen-platform-pci module. finally the domu says, that it is not
able to find the root filesystem/partition. keep in mind, that with xen
4.0.1 everything worked. If i select a old 2.6.35 kernel instead of the new
2.6.38 (natty default kernel) i am able to boot (without pv-on-hvm).
Any ideas?

Ben


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On Mon, Apr 11, 2011 at 08:30:51AM +0200, Benjamin Schweikert
wrote:
>    Hallo everybody,
>    on my server (dom0) ran debian squeeze with the debian pv-ops kernel and
>    xen 4.0.2-rc-something without any problems (even vga passthrough was
>    working). yesterday i updated xen to version 4.1.1-rc1-pre-something. so
>    far everything is still working (pci passhtrough, pv-domus..) but i
>    noticed, that my Ubuntu Natty HVM DomU with PV-on-HVM drivers wont come
>    up. after looking at the boot up screen, i saw that there are some
>    problems while loading the xen-platform-pci module. finally the domu
says,
>    that it is not able to find the root filesystem/partition. keep in mind,
>    that with xen 4.0.1 everything worked. If i select a old 2.6.35 kernel
>    instead of the new 2.6.38 (natty default kernel) i am able to boot
>    (without pv-on-hvm).
>    Any ideas?
> 
You should post full HVM domU kernel boot logs.. ie. set up a 
(virtual) serial console for the HVM domU and make the kernel
use the (virtual) serial port as a console to capture the logs.

-- Pasi


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