[Qemu-devel] [Bug 1159605] Re: run command hangs using "-M none"

[Andreas Färber]

Shehbaz, you seem to be mixing up -m and -M. -M is a shorthand for
-machine, whereas -m is the memory.

Jiamswang, are you saying the second command gets fixed by adding a
comma and the first by changing -M to -machine? That sounds more like a
heisenbug (works sometimes, fails apparently randomly). Did you try
without -pidfile and using your own UNIX socket rather than libvirt's?

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https://bugs.launchpad.net/bugs/1159605

Title:
  run command hangs using "-M none"

Status in QEMU:
  Invalid

Bug description:
  when i run following command, it just hangs there

  
  qemu-system-x86_64 -enable-kvm -S -no-user-config -nodefaults -nographic 
-machine none,kernel_irqchip=on -monitor 
unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait -pidfile 
/var/lib/libvirt/qemu/capabilities.pidfile

  OR

  qemu-system-x86_64 -enable-kvm -S -no-user-config -nodefaults
  -nographic -M none -monitor
  unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait
  -pidfile /var/lib/libvirt/qemu/capabilities.pidfile

  
  but blow command just fine

  
  qemu-system-x86_64 -enable-kvm -S -no-user-config -nodefaults -nographic -M 
none,kernel_irqchip=on  -monitor 
unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait -pidfile 
/var/lib/libvirt/qemu/capabilities.pidfile

  OR

  qemu-system-x86_64 -enable-kvm -S -no-user-config -nodefaults
  -nographic -M none,  -monitor
  unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait
  -pidfile /var/lib/libvirt/qemu/capabilities.pidfile


  I installed qemu-git version on gentoo with kernel 3.8.4 
  is this a bug???

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