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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] [PATCH 0/3] add "core dump"-like capability |
Date: | Thu, 09 Jul 2009 08:42:53 -0500 |
User-agent: | Thunderbird 2.0.0.21 (X11/20090320) |
Paolo Bonzini wrote:
Unlike for example xen, KVM virtualized guests do not have a method to generate something like a core file. While kdump could help in the case of a crash, it does not cater for non-Linux operating systems and does not help with dumping the state live, while the machine is running.
Actually, you can use gdb to dump a core from a running guest. Just do: (gdb) gcore filenameBut really, live migration gives you all the state you need. Why not just introduce a third-party program that you could live migrate to via exec?
Regards, Anthony Liguori
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