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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] virtio-serial-pci very expensive during live migration |
Date: | Thu, 08 May 2014 18:02:14 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 |
Il 08/05/2014 17:57, Chris Friesen ha scritto:
The fact remains that qemu crashes when I apply the patch. I also tried patching it as below in virtio_pci_vmstate_change(). That would allow the VM to boot, but it would crash when I tried to do a live migration.Can you give us your command line and a backtrace?For the backtrace, you mean with a core file? Or is there a better way?
You can attach gdb to the qemu process, and run "thread apply all bt" when QEMU crashes.
Paolo
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