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Re: [Xen-users] How to patch 2.6.34-12-xen on Suse 11.3 ? ( udev 157 iss

To: michael@xxxxxxx
Subject: Re: [Xen-users] How to patch 2.6.34-12-xen on Suse 11.3 ? ( udev 157 issue) - how to build xen source (4.0.1 rc5) in opensuse 11.3
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Date: Sat, 31 Jul 2010 02:55:13 -0700 (PDT)
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, JBeulich@xxxxxxxxxx
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Why Suse's Xen 4.0 package doesn't satisfy you ?

"Kotd" kernel works fine under  4.0 :

host                   : linux-y4jf
release                : 2.6.34.1-0.0.18.cbab77c-xen
version                : #1 SMP 2010-07-29 14:00:26 +0200
machine                : x86_64
nr_cpus                : 4
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2833
hw_caps                : bfebfbff:20100800:00000000:00000940:0408e3fd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 8151
free_memory            : 141
free_cpus              : 0
max_free_memory        : 7581
max_para_memory        : 7577
max_hvm_memory         : 7551
node_to_cpu            : node0:0-3
node_to_memory         : node0:141
node_to_dma32_mem      : node0:79
max_node_id            : 0
xen_major              : 4
xen_minor              : 0
xen_extra              : .0_21091_05-6.6
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : 21091
xen_commandline        : vgamode=0x31a vgamode=0x31a
cc_compiler            : gcc version 4.5.0 20100604 [gcc-4_5-branch revision 160292] (SU
cc_compile_by          : abuild
cc_compile_domain      :
cc_compile_date        : Mon Jul  5 22:16:05 UTC 2010
xend_config_format     : 4

If you do need build 4.0.1,  XenWiki has instructions for F13 , Ubuntu 10.04 Server.
If you want 2.6.34.1 with forward ported patches aka Suse :-

http://code.google.com/u/andrew.lyon/updates


I am hesitant about build Xen from source on Suse.  It's too close MicroSoft  :)

Boris.

--- On Fri, 7/30/10, Michael Cook <michaelcook_mjc@xxxxxxxxx> wrote:

From: Michael Cook <michaelcook_mjc@xxxxxxxxx>
Subject: Re: [Xen-users] How to patch 2.6.34-12-xen on Suse 11.3 ? ( udev 157 issue) - how to build xen source (4.0.1 rc5) in opensuse 11.3
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, JBeulich@xxxxxxxxxx
Date: Friday, July 30, 2010, 5:35 PM

I have opensuse 11.3 with kotd kernel now installed on my W510 laptop.  I am trying to recompile the xen4-testing.hg source to try out 4.0.1rc5. 

I've added the c/c++ patterns and dev86 packages.  Then "make xen" works.  Calling "make tools" bombs out in two places:
a) can't find: stub-32.h header file at /usr/src/gnu/
b) can't find: /usr/include/bits/predef.h

Can anyone point me to a set of instructions for opensuse 11.3 build of XEN source?  The XEN 4.0 source wiki instructions worked fine with Ubuntu.  Not the case with opensuse. ;o(


--- On Thu, 7/29/10, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-users] How to patch 2.6.34-12-xen on Suse 11.3 ? ( udev 157 issue)
To: michael@xxxxxxx
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, JBeulich@xxxxxxxxxx
Received: Thursday, July 29, 2010, 4:06 PM


Michael,

I will update bug also. I am not a Suse's expert, but Jan Beulich  is out of office until 08/05/2010. Looks like kernel at page i mentioned bellow has Jan's patch already applied and works with udev 157 on 11.3. This page seems to be updated on daily basis. I just  downloaded current xen-kernel. Installed  Xen host from DVD and installed new kernel :-

    # rpm -ivh kernel-xen-2.6.34.1-0.0.17.fdda44d.x86_64.rpm

Grub entry would be created automatically. Reloaded system works fine:-

1. virt-install to create PV or HVM DomU
2. virt-manager  to manage PV or HVM DomU

I cannot issue any waranty until Jan will confirm , that kernel is OK with udev 157

Boris.


--- On Thu, 7/29/10, Michael Cook <michaelcook_mjc@xxxxxxxxx> wrote:

From: Michael Cook <michaelcook_mjc@xxxxxxxxx>
Subject: Re: [Xen-users] How to patch 2.6.34-12-xen on Suse 11.3 ? ( udev 157 issue)
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Date: Thursday, July 29, 2010, 2:02 PM

Hi Boris,

Does this thread address the problems I've seen in this bug-thread?  That is: hot-scripts not working issue?  How can we (the end-users) track where or when this may be included in a kernel for opensuse 11.3?

https://bugzilla.novell.com/show_bug.cgi?id=612006

FWIW I added your latest comments to this bug in case.

Mike.

--- On Thu, 7/29/10, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-users] How to patch 2.6.34-12-xen on Suse 11.3 ? ( udev 157 issue)
To: xen-users@xxxxxxxxxxxxxxxxxxx, JBeulich@xxxxxxxxxx
Received: Thursday, July 29, 2010, 9:41 AM


ftp://ftp.suse.com/pub/projects/kernel/kotd/openSUSE-11.3/x86_64/

Download kernel-xen-2.6.34.1-0.0.17.fdda44d.x86_64.rpm 
      34984 KB  07/28/2010   07:03:00 PM
and install provides kernel working with udev 157

Boris.

--- On Wed, 7/28/10, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: [Xen-users] How to patch 2.6.34-12-xen on Suse 11.3 ? ( udev 157 issue)
To: xen-users@xxxxxxxxxxxxxxxxxxx, JBeulich@xxxxxxxxxx
Date: Wednesday, July 28, 2010, 4:06 PM

> >>> On 02.07.10 at 13:14, PeanuTech <peanutdude <at> gmail.com> wrote:
> > Hi,
> >  I'm using OpenSuse 11.3 - with the latest updates from the repository. I
> >  installed a guest PV OpenSuse 11.3 - RC1, and the virtual networking doesn't
> >  work.
> >  The virt-manager application isn't managing the virtual network so I can't
> >  use that.
> >  My router's log confirms that a dhcp address was given to the guest.
> >  So I don't understand what's the problem.
>
> This likely is caused by an already fixed bug in netback caused by a
> udev upgrade done very close before RC1.
>
> Jan
>
>
I see this bug in 11.3 final with udev 157, e.g. attempt to install 11.3 PV DomU
at 11.3 Dom0 ("Hotplug scripts not working"). If patch exists and 2.6.34-12-xen
may be patched, how to proceed ?

Boris.
P.S Downgrade to 151 works for PV Guests (for me), but not for HVM.





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