Xen users - Jun 2009 - Xen 3.4.0 and Linux Kernel 2.6.29.5: Success, but...

Hi all,

my Xen 3.3.1 (64bit) and Linux 2.6.26 (64bit, Debian Lenny) worked well and
stable as long as I ran Linux domU''s only. Unfortunately I have to run
a Windows (Server 2008, 64bit) domU that causes physical server reboots after
some minutes up to some days (GPLPV 0.10.0.69 installed) depending on (I/O?)
activity. Thus I decided to upgrade to Xen 3.4.0 and Linux 2.6.29.5. The error
message

	Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

drove me nuts until I have reviewed the Linux config and found that some Xen
options have to be build into the kernel instead of modules.

Finally I got Xen 3.4.0 and Linux 2.6.29.5 (dom0) running. I have tested to run
domU''s with 2.6.29.5 but that throws error messages (see attached logs)
although it seems to run (can anybody tell what those error message mean and if
they are critical?). Anyway, for now it is okay to run 2.6.26.

Next step: Configure HVM, setup W2k8 (installation was corrupted somehow).
Reboot: okay, system comes up. Installing GPLPV 0.10.0.69: System reboots during
boot without an error message or shows the BSOD with stop code 0x0000005C or
0x0000007B. Upgraded to Xen 3.4.1-rc3 but it looks like this GPLPV version is
simply not compatible with Xen 3.4.

Just for the records: I took the patches for kernel 2.6.29.5 from

	http://code.google.com/p/gentoo-xen-kernel/downloads/list

By the way, I would really appreciate it if the nasty 2.6.18 dependency would be
dropped by whatever (pv_ops, dom0 integration into the mainstream kernel, or
"official" patches against recent kernels).

Next is to test PCI passthrough because Xen 3.3 broke it. But that''s
something for one of the next weekends...

Anybody having the same experience or knows how to make W2k8 run fast and stable
in a domU?

Kind regards,

Stephan



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