Re: [Qemu-devel] qmp problems with --enable-kvm

[Luiz Capitulino]

On Thu, 22 Nov 2012 12:41:31 +0000
Dietmar Maurer <address@hidden> wrote:

> I use the following qmp commands (file cmds.txt) for testing:
> 
> --------- cmds.txt start--------
> {"execute":"qmp_capabilities", "arguments":{}}
> {"execute":"migrate", "arguments":{ "uri":"exec:cat >/dev/null"}}
> {"execute":"query-migrate", "arguments":{}}
> --------- cmds.txt end--------
> 
> and the following command line to start qemu:
> 
> #  ./x86_64-softmmu/qemu-system-x86_64 -chardev 
> socket,id=qmp,path=/tmp/test.qmp,server,nowait -mon chardev=qmp,mode=control  
> --enable-kvm
> 
> I then execute the qmp commands with:
> 
> # cat cmds.txt | socat - /tmp/test.qmp 
> {"QMP": {"version": {"qemu": {"micro": 90, "minor": 2, "major": 1}, 
> "package": ""}, "capabilities": []}}
> {"return": {}}
> {"return": {}}
> {"timestamp": {"seconds": 1353587785, "microseconds": 134907}, "event": 
> "STOP"}
> {"return": {"status": "completed", "downtime": 8, "ram": {"total": 143065088, 
> "remaining": 0, "transferred": 772035, "duplicate": 34755, 
> "dirty-pages-rate": 0, "normal-bytes": 737280, "normal": 180}}}
> 
> so far so good.
> 
> But if I execute that again I get an error:
> 
> # cat cmds.txt | socat - /tmp/test.qmp 
> {"error": {"class": "CommandNotFound", "desc": "The command qmp_capabilities 
> has not been found"}}
> {"return": {}}
> {"return": {"expected-downtime": 0, "status": "active", "total-time": 33, 
> "ram": {"total": 143065088, "remaining": 8937472, "transferred": 495481, 
> "duplicate": 67388, "dirty-pages-rate": 0, "normal-bytes": 1200128, "normal": 
> 293}}}
> 
> 
> The interesting thing is that it works perfectly without --enable-kvm. 

Can you please try the following patch?

 https://lists.gnu.org/archive/html/qemu-devel/2012-11/msg00174.html