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[Qemu-devel] [Bug 1159605] Re: run command hangs using "-M none"
From: |
Shehbaz Jaffer |
Subject: |
[Qemu-devel] [Bug 1159605] Re: run command hangs using "-M none" |
Date: |
Mon, 25 Mar 2013 08:29:02 -0000 |
Hi,
Please see notes about all the commands that you are mentioning in the
bug :
1. 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
starts a dumb qemu monitor interface. You can see that by removing the
-nographic option and using the command as follows:
qemu-system-x86_64 -enable-kvm -S -no-user-config -nodefaults -machine
none,kernel_irqchip=on -monitor
unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait
-pidfile /var/lib/libvirt/qemu/capabilities.pidfile
2. 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
same as first. except that you are giving memory paramter as -M none. It
defaults to 128 MB memory.
3. 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
This command will not work as kernel_irqchip and M are two different options:
1. kernel_irqchip is a -machine paramter (check qemu-system-x86_64 -help).
2. -M is the memory parameter, where you specify how much memory has to be used
by your VM.
Hence you should get the following warning like I get when I run your command:
Supported machines are:
none empty machine
pc Standard PC (i440FX + PIIX, 1996) (alias of pc-i440fx-1.4)
pc-i440fx-1.4 Standard PC (i440FX + PIIX, 1996) (default)
pc-1.3 Standard PC
pc-1.2 Standard PC
pc-1.1 Standard PC
pc-1.0 Standard PC
pc-0.15 Standard PC
pc-0.14 Standard PC
pc-0.13 Standard PC
pc-0.12 Standard PC
pc-0.11 Standard PC, qemu 0.11
pc-0.10 Standard PC, qemu 0.10
isapc ISA-only PC
q35 Standard PC (Q35 + ICH9, 2009) (alias of pc-q35-1.4)
pc-q35-1.4 Standard PC (Q35 + ICH9, 2009)
4. the 4th command would also give you a error. Please see help to
clearify where you should be using ',' and '-' as delimiters. Rest
assured, the argument passing of qemu is done using optarg() which is a
pretty stable function.
--
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https://bugs.launchpad.net/bugs/1159605
Title:
run command hangs using "-M none"
Status in QEMU:
New
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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