On 12/16 11:55, Martin Kletzander wrote: > On Tue, Dec 15, 2015 at 09:47:41PM +0100, David Caro wrote: > > > >Hi everyone! > > > >It's the first time I send a message to this list, I hope it's not the last :) > > > >So my issue is that when booting a disk image generated with virt-builder [1] > >it takes more than 5 minutes, waiting in the boot screen that says: > > > >" > >Booting from disk... > >press any key to continue. > >" > > > >The press any key message shows up to 5 times. The issue is that it stays in > >that screen for more than 5 min. > > > >If I attach a serial pty device, then it takes ~5 seconds to go through that > >screen (same messages, just show faster). > > > > This sounds like a bug. If that is the case, then it could be QEMU's > problem, for that I would suggest asking on qemu-discuss: > > https://lists.nongnu.org/mailman/listinfo/qemu-discuss > > If, however, that is expected, for some reason, then virt-builder could > add the pty itself. For that I would ask on libguestfs ML: > > https://www.redhat.com/mailman/listinfo/libguestfs > > I would add those lists to Cc, but cross-posting through 3 lists does > not sound like a great idea. But the chance that someone from qemu and > libguestfs will have a look at this is quite low here I guess. > virt-builder does not create domain xmls, it just creates the disk image so I suppose that I should handle that after > > >I don't want to have to create a pty device each time I want to spin up a vm > >(if there's a way to tell libvirt to do that for me that would be ok too). > > > > You could use virt-xml from the virt-tools (installed as part of > virt-manager, I believe) to do that: > > virt-xml fedora23 --add-device --serial pty This will prove very helpful not just in this case :) > > >Is there any workaround I can do to avoid having to create a pty and still get > >fast boot? > > > > > >The xml of the slow vm: > > > ><domain type='kvm'> > > <name>fedora23</name> > > <memory unit='MiB'>2048</memory> > > <vcpu>1</vcpu> > > <cpu mode='host-passthrough'> > > <topology sockets='1' cores='1' threads='1'/> > > </cpu> > > <os> > > <type arch='x86_64' machine='pc'>hvm</type> > > <boot dev='hd'/> > > <bootmenu enable='yes' timeout='3000'/> > > This should mean that qemu will wait in the boot menu for 3 seconds and > then it continue booting from hard drive first. Can you try removing > this form the XML (using virsh edit for example) or just set enable to > "no"? Just to see whether it's misbehaving as well. I started without it, then added it with different values but got the same outcome in any case. > > If contacting the qemu mailing list, I suggest attaching the command > line htat's used for qemu to run. Will do thanks for the help! > > > </os> > > <features> > > <acpi/> > > <apic/> > > <pae/> > > </features> > > <devices> > > <emulator>/usr/libexec/qemu-kvm</emulator> > > <disk type='file' device='disk'> > > <driver name='qemu' type='qcow2'/> > > <source file='/tmp/fedora-23.qcow2'/> > > <target dev='sda' bus='virtio'/> > > </disk> > > <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0' keymap='en-us'/> > > <channel type='unix'> > > <source mode='bind'/> > > <target type='virtio' name='org.qemu.guest_agent.0'/> > > </channel> > > </devices> > ></domain> > > > > > >The same with this device boots fast: > > > > <serial type='pty'> > > <source path='/dev/pts/12'/> > > <target port='0'/> > > <alias name='serial0'/> > > </serial> > > > > > >The libvirt/qemu/kvm versions I'm using: > > > >ipxe-roms-qemu-20150407-3.gitdc795b9f.fc23.noarch > >libvirt-1.2.18.1-2.fc23.x86_64 > >libvirt-client-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-config-network-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-config-nwfilter-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-interface-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-libxl-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-lxc-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-network-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-nodedev-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-nwfilter-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-qemu-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-secret-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-storage-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-uml-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-vbox-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-driver-xen-1.2.18.1-2.fc23.x86_64 > >libvirt-daemon-kvm-1.2.18.1-2.fc23.x86_64 > >libvirt-gconfig-0.2.2-1.fc23.x86_64 > >libvirt-glib-0.2.2-1.fc23.x86_64 > >libvirt-gobject-0.2.2-1.fc23.x86_64 > >libvirt-python-1.2.18-1.fc23.x86_64 > >qemu-common-2.4.1-1.fc23.x86_64 > >qemu-guest-agent-2.4.1-1.fc23.x86_64 > >qemu-img-2.4.1-1.fc23.x86_64 > >qemu-kvm-2.4.1-1.fc23.x86_64 > >qemu-system-x86-2.4.1-1.fc23.x86_64 > > > > > >Thanks!! > > > > > >[1] The image was created with the command: > > $ virt-builder --format=qcow2 fedora-23 > > > > > >-- > >David Caro > > > >Red Hat S.L. > >Continuous Integration Engineer - EMEA ENG Virtualization R&D > > > >Tel.: +420 532 294 605 > >Email: dcaro@xxxxxxxxxx > >IRC: dcaro|dcaroest@{freenode|oftc|redhat} > >Web: www.redhat.com > >RHT Global #: 82-62605 > > > > >_______________________________________________ > >libvirt-users mailing list > >libvirt-users@xxxxxxxxxx > >https://www.redhat.com/mailman/listinfo/libvirt-users -- David Caro Red Hat S.L. Continuous Integration Engineer - EMEA ENG Virtualization R&D Tel.: +420 532 294 605 Email: dcaro@xxxxxxxxxx IRC: dcaro|dcaroest@{freenode|oftc|redhat} Web: www.redhat.com RHT Global #: 82-62605
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