Re: [Xen-devel] a ton of kernel issues

[Alessandro Salvatori <sandr8@xxxxxxxxx>]

George,

> pv_ops is still have some issues with memory limits, but any
> new kernel (3.0+) will boot normal and operates with very
> minor glitches. Older pv_ops (f.e. debian 2.6.32) have some
> more major issues.

what glitches should one expect with 3.0+, and having the choice,
would it be better to go with 3.1 or even 3.2?

thank you!
-Alessandro-
 Here i am, A young man,
 A crashing computer program,
 Here is a pen, write out my name...

(from: The Servant - Orchestra)



On Tue, Dec 13, 2011 at 01:09, George Shuklin <george.shuklin@xxxxxxxxx> wrote:
> Use suse and Centos5 (not 6) kernels. They works right with xen better then
> others. OpenSUSE release pretty offten, so they have at least 2.6.34, 2.6.37
> and 3.1. Or you can use old centos 2.6.18.
>
> All those kernels is '-xen', not vanilla. pv_ops is still have some issues
> with memory limits, but any new kernel (3.0+) will boot normal and operates
> with very minor glitches. Older pv_ops (f.e. debian 2.6.32) have some more
> major issues.
>
>
> On 13.12.2011 01:44, Tim Evers wrote:
>>
>> Hi folks,
>>
>> please forgive me if I'm not 100% right on this list but I'm going mad
>> about the current xen development as far as the pv_ops kernel are
>> involved. I've been using Xen since 3.0 in various productive setups
>> without any serious problems for years now.
>>
>> And now, since the support for the "patched" distro-kernel like debian 5
>> run out I'm trying to setup a working xen+pv_ops kernel with regard to
>> cpu and ram hotplug and live migration. Nothing special I thought but
>> hell I'm totally lost: After testing two month now dozens of
>> combinations I was not able to find a single kernel / xen combination
>> which supports the abovementioned features. Some crash after hotplug on
>> a migrated domu, some crash right at the migration and some crash right
>> at the start if vcpu_avail>  vcpus.
>>
>> I've tested
>>
>> xen-4.0
>> xen-4.1
>>
>> debian 6 32 and 64 bit (2.6.32-x kernel)
>> ubuntu lucid 32 and 64 bit kernels including karmic, natty and even
>> oneric backports
>>
>> I've put some questions on the users mailinglist, wrote bug reports but
>> today after two month work on this I'm as stuck as one can get.
>>
>> Is it possible that there is not a single working xen+pv_ops setup out
>> there which matches my needs? I can't believe it.
>>
>> I appreciate _any_ hint!
>>
>> Regards
>>
>> Tim
>>
>> http://lists.xen.org/archives/html/xen-users/2011-11/msg00553.html
>> http://lists.xen.org/archives/html/xen-users/2011-11/msg00523.html
>> http://lists.xen.org/archives/html/xen-users/2011-11/msg00295.html
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/893177
>>
>> _______________________________________________
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>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>
>
>
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