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[Xen-devel] Re: Bugs in 2.6.31.12-pvops

To: Carsten Schiers <carsten@xxxxxxxxxx>
Subject: [Xen-devel] Re: Bugs in 2.6.31.12-pvops
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Fri, 02 Apr 2010 11:11:49 -0700
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On 04/02/2010 06:11 AM, Carsten Schiers wrote:
Hi,

honestly, I am a bit unsure, whether what I do is correct. I hg cloned
current xen-4.0-testing,
which will build the 2.6.31-12 kernel out of the box. I build that
kernel and let in run on my
Xen 3.4.1 hypervisor. config was what approximately comes with default
values, because I have
not a lot of knowledge with configs.

Kernel started with one WARNING message:

[    0.000999] WARNING: at
/usr/src/xen/xen-4.0-testing.hg/linux-2.6-pvops.git/arch/x86/kernel/apic
/apic.c:247 native_apic_write_dummy+0x2d/0x39()
[    0.000999] Modules linked in:
[    0.000999] Pid: 0, comm: swapper Not tainted 2.6.31.12pvops-686 #4
[    0.000999] Call Trace:
[    0.000999]  [<c1038129>] ? native_apic_write_dummy+0x2d/0x39

That's just a spurious warning; you can safely ignore it.

BTW: Can someone please tell me how to test xen/stable-2.6.32.x? Is that
by changing in the mk.linux-2.6-pvops xen/master
into 2.6.32.x?

Which one should I use for testing?

Use xen/stable-2.6.32.x.  You can easily switch to it by doing:

$ cd linux-2.6-pvops.git
$ git checkout xen/stable-2.6.32.x
$ git pull

and rebuild. It will probably ask you some config questions to update your config for the new kernel; choose the defaults unless there's something you specifically want to change. Use "git pull" to update subsequently.

    J

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