I have 2 servers, both were installed with Debian 6.0.2 stable(squeeze).
I took the xen-4.1.1.tar.gz and the very latest xen/stable-2.6.32.x from
jeremys git.
For dom0 .config i used one that was derived from the ones suggested on
the pvops wiki page. It has worked fine before.
For domU i use 3 different kernels, a 2.6.39 one, that is running fine
on ~80 paravirtualized guests in my production envrionment.
Also the lastest 3.0.3 and 3.1-rc2 from the kernel.org git.
The config was updated for them via make oldconfig at different times.
3.0.3 has explicitly has DEBUG symbols in it, the others dont.
I made damn sure my two test servers where as close to identical as they
can possbily get.
Everything installed by make install-xen and make install-tools is
binary identical.
The kernels have been copied over via scp. (scp /boot/*2.6.32.45* ...)
It all boils down to this:
BUG: unable to handle kernel paging request at ...
This happens when i migrate one of my 3 test virtual machines
(testvm-2.6 testvm-3.0 and testvm-3.1) from host1 to host2.
host1 is called xenturio1, host2 is called tarballerina.
config-2.6.32.45-xen0:
http://pastebin.com/DLC3BcCF
config-2.6.39-xenU:
http://pastebin.com/r5KBpumE
config-3.0.3-xenU:
http://pastebin.com/DDjrYANv
config-3.1-rc2-xenU+:
http://pastebin.com/tWbt16yR
sytem information on host1 and host2:
http://pastebin.com/zs89a1rQ
(cpuinfo, xl info, uname -a, md5sums of xen and kernel)
Here come the logs:
testvm-2.6@host1 to host2:
xl console:
http://pastebin.com/mUKugaYu
vm-state after migration "r-----"
xenctx:
http://pastebin.com/viQzfwT1
testvm-3.0@host1 to host2:
xl console:
http://pastebin.com/iswQFN2a
vm-state after migration "r-----"
xenctx:
http://pastebin.com/8VdSUrYd
testvm-3.1@host1 to host2:
xl console:
did not produce any output
vm-state after migration "---sc-"
xenctx: http://pastebin.com/ymT0Rxhz
xl-testvm.*.log output after killing them:
http://pastebin.com/0L4905ft
testvm-2.6@host2 to host1:
xl console:
http://pastebin.com/nNqUeJNR
vm-state after migration "-b----"
xenctx:
http://pastebin.com/gfAVWe2v
testvm-3.0@host2 to host1:
xl console:
did not produce any output
vm-state after migration "-b----"
xenctx:
http://pastebin.com/nPiTTLEz
testvm-3.1@host2 to host1:
xl console:
http://pastebin.com/3tqB4Zet
vm-state after migration "-b----"
xenctx:
http://pastebin.com/bBtxePmr
xl-testvm.*.log output after killing them:
http://pastebin.com/3i4XzFsv
Local migration works (migrate to localhost).
I first encountered this on servers running 4.2 where one of 3 hosts
could not migrate machines that have been created on it.
As usual: input is greatly appreciated.
If you want me to try any other kernel .config entries or want some
different output tell me what exactly you would like to see and i will
provides them a.s.a.p.
If you are running xen4.1.1 with 2.6.32-jeremy kernels and you dont
experience this problem, i would like to have your dom0 and domU .config
files so i can test them.
With best regards
--
Andreas Olsowski
smime.p7s
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