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From: | Peter Lieven |
Subject: | [Qemu-devel] Re: Live Migration of 32-bit Linux guest broken since 2.6.35-rc2 |
Date: | Tue, 08 Jun 2010 14:59:12 +0200 |
User-agent: | Thunderbird 2.0.0.23 (X11/20090817) |
Avi Kivity wrote:
mhh, i am at the moment back to 2.6.34. here i do not see the nx flag in the guestOn 06/08/2010 03:49 PM, Peter Lieven wrote:And finally, perhaps you have NX disabled in the bios of one of the machines?What does 'dmesg | grep NX' show on both hosts?nx was disabled on one of the nodes.That explains the problem.i will retry the case later today and send info register output. what is the recommended value for nx (and why)?Enabled (so you get no-execute memory protection).
of both 32-bit and 64-bit linux.
and why was it working with 2.6.34 and is not with 2.6.35-rc2?We fixed a different bug. But you shouldn't live migrate from a machine with nx to a machine without nx, unless you use -cpu ...,-nx on both nodes.
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