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MZ mismatch on migration with Stock Kernels [message #31947] Tue, 15 July 2008 19:57 Go to next message
seanfulton is currently offline  seanfulton
Messages: 105
Registered: May 2007
Senior Member
I was recently trying to migrate a VE live between two machines--one running only OpenVZ, the other running Xen and OpenVZ. Both use stock OpenVZ kernels.

The error I received was HZ mismatch, similar to what is described in this post:

http://forum.openvz.org/index.php?t=tree&goto=4825&& amp;srch=%22HZ+mismatch%22#msg_4825

I checked /proc/config.gz and sure enough, the XEN kernel is CONFIG_HZ_250=y, while the non-XEN kernel is CONFIG_HZ_1000=y.

Both of these kernels were downloaded from the OpenVZ site, same version, same everything.

I have no need to compile custom kernels would rather not. Shouldn't this setting match? Is there some reason why they aren't configured identically?

Linux web1.grand-central.net 2.6.18-53.1.19.el5.028stab053.14 #1 SMP Thu May 8 20:43:27 MSD 2008 i686 i686 i386 GNU/Linux

Linux gcn26.grand-central.net 2.6.18-53.1.19.el5.028stab053.14xen #1 SMP Thu May 8 22:01:14 MSD 2008 i686 i686 i386 GNU/Linux


sean



Re: MZ mismatch on migration with Stock Kernels [message #32009 is a reply to message #31947] Thu, 17 July 2008 09:04 Go to previous message
maratrus is currently offline  maratrus
Messages: 1495
Registered: August 2007
Location: Moscow
Senior Member
Hi,

this is a bug, could you possibly fill the bug in OpenVZ bugzilla
http://bugzilla.openvz.org/?

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