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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 14:49:10 +0200 |
User-agent: | Thunderbird 2.0.0.23 (X11/20090817) |
Avi Kivity wrote:
nx was disabled on one of the nodes. i will retry the case later today and send info register output.On 06/08/2010 02:31 PM, Avi Kivity wrote:On 06/08/2010 02:29 PM, Avi Kivity wrote:On 06/08/2010 12:13 PM, Peter Lieven wrote:sorry, the subject should read 2.6.35-rc2 Peter Lieven wrote:Hi,I freshly installed kernel 2.6.35-rc2 using userspace qemu-kvm 0.12.4.When I live migrate a 32-bit opensuse-11.2 VM, the incoming VM shows the following error after the mem transfer has finished: kvm: unhandled exit 80000022 kvm: kvm_run returned -22 cmdline:/usr/bin/qemu-kvm-0.12.4 -net none -drive format=host_device,file=/dev/mapper/iqn.2001-05.com.equallogic:0-8a0906-e1861b105-4cb000e7e8c4bf3b-opensuse-11-2-i586,if=ide,boot=on,cache=none,aio=native -m 1024 -monitor tcp:0:4003,server,nowait -vnc :3 -name 'opensuse-11.2-i586' -boot order=dc,menu=on -k de -incoming tcp:172.21.55.20:5003 -pidfile /var/run/qemu/vm-154.pid -mem-path /hugepages -mem-prealloc -rtc base=utc -usb -usbdevice tablet -cpu qemu64,model_id='Intel(R) Xeon(R) CPU E5430 @ 2.66GHz'Migrating the same VM worked with 2.6.34 kvm module.Please provide you host /proc/cpuinfo.Also, after migration fails, the output of 'info registers' in the monitor.And finally, perhaps you have NX disabled in the bios of one of the machines?What does 'dmesg | grep NX' show on both hosts?
what is the recommended value for nx (and why)? and why was it working with 2.6.34 and is not with 2.6.35-rc2? -- Mit freundlichen Grüßen/Kind Regards Peter Lieven .......................................................................................................... KAMP Netzwerkdienste GmbH Vestische Str. 89-91 | 46117 Oberhausen Tel: +49 (0) 208.89 402-50 | Fax: +49 (0) 208.89 402-40 mailto:address@hidden | http://www.kamp.de Geschäftsführer: Heiner Lante | Michael Lante Amtsgericht Duisburg | HRB Nr. 12154 USt-Id-Nr.: DE 120607556.........................................................................................................
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