Re: [libvirt-users] qemu-monitor-command
Hi Michal,
Thanks for testing that for me.
When I try to run the latter command which was:
virsh qemu-monitor-command Shawn '{"execute":"pmemsave",
"arguments":
{"val":0, "size":536870912,
"filename":"/tmp/testimage.dump"}}'
I get:
Unknown command: '{\"execute\":\"pmemsave\",'
Any ideas?
My versions are:
Compiled against library: libvir 0.9.2
Using library: libvir 0.9.2
Using API: QEMU 0.9.2
Running hypervisor: QEMU 0.14.1
-----Original Message-----
From: Michal Privoznik [mailto:mprivozn@redhat.com]
Sent: Wednesday, March 21, 2012 3:21 AM
To: Shawn Davis
Cc: libvirt-users(a)redhat.com
Subject: Re: [libvirt-users] qemu-monitor-command
On 21.03.2012 04:43, Shawn Davis wrote:
I understood what was said by the way about the permissions. I
temporarily switched off SElinux. I think I just may not be entering
the command correctly. If I put home/testa/image.dump I get Could not
open
'image.dump'
If I put /home/testa/image.dump I get Invalid char in expression from
the first slash. Can someone who has gotten this to work please tell
me how they typed out the entire command in full detail? I don't
really care where it saves it, I just need the dump of the memory.
If qemu is running under non-root user I wouldn't expect it to be able to
access $HOME.
I have tried this with various forms of the path:
sudo virsh qemu-monitor-command --hmp Shawn 'pmemsave 0 536870912
image.dump'
Although I must admit this doesn't play nice. I can get two different
results:
virsh # qemu-monitor-command --hmp f16 "pmemsave 0 1024 /tmp/dummy.img"
invalid char in expression
virsh # qemu-monitor-command f16 '{"execute":"pmemsave",
"arguments":
{"val":0, "size":1024,
"filename":"/tmp/dummy.img"}}'
{"return":{},"id":"libvirt-12"}
In the latter case image is successfully created. But I am not sure whose
bug is it - libvirt or qemu.
Michal