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libvirtd not starting after unsuccessful GPU passthrough

After restarting my host, libvritd was running again. However, I had deleted /etc/libvirtd before purging and reinstalling qemu and virt-manager. This meant that I lost access to my default NAT ...
adamlaughlin's user avatar
0 votes

What is the difference between virtio-net-pci, virtio-net-pci-non-transitional and virtio-net-pci-transitional

Here's a brief overview from the mailing list: virtio devices can be exposed in upto three ways Legacy - follows virtio 0.9 specification. always uses PCI ID range 0x1000-0x103F Transitional - ...
GrabbenD's user avatar
  • 124
1 vote

How to place a qemu vm in background (it means that it should run between the processes but nothing should be shown on the screen)

This seems to work for me: qemu ... -nographic -serial none -monitor none & But I would probably instead use a network serial console so that I can still access the console if necessary: qemu ... ...
larsks's user avatar
  • 35.4k
1 vote
Accepted

Use .qcow2 VM file format for VirtualBox

One way to use a qcow2 (or any other format) image in the VirtualBox without conversion is to connect it to the host block device and let VirtualBox use that device. Load nbd module: modprobe nbd Use ...
Nikita Kipriyanov's user avatar
1 vote
Accepted

Limiting the file size of .qcow2 files

vmdk behaves exactly the same as qcow2 in this aspect: it will grow to the set virtual disk size and no more, but if you do snapshots, it can grow indefinitely (up to additional full virtual disk size ...
Nikita Kipriyanov's user avatar
2 votes

Limiting the file size of .qcow2 files

The qcow2 disk image format, like other dynamically allocated image formats such as VDI (used by Virtualbox), does not grow indefinitely with use. When creating such a disk image, you must specify its ...
Kusalananda's user avatar
  • 337k
2 votes

Use .qcow2 VM file format for VirtualBox

Virtualbox does not support the use of qcow2 disk image files. The disk image file formats currently supported by Virtualbox are VDI, VMDK, VHD, and HDD (ref: https://www.virtualbox.org/manual/...
Kusalananda's user avatar
  • 337k
0 votes

libvirt qemu cannot access image inside my home directory, even as root?

Try to give qemu user/group permissions to execute your homedir setfacl -m u:qemu:--x $HOME
Roman Gherta's user avatar
0 votes

How to mount qcow2 image

Debian 10 with QEMU inside VirtualBox. Need to copy some big files to a QEMU VM. Network speed was too slow. Install guestmount from libguestfs-tools as suggested above. Stop emulator to free up ...
Kirill Vakhrushev's user avatar
0 votes

Is it possible to get a resolution greater than 1920x1200 on openbsd in qemu ( virt-manager)?

You can specify machine gop option during the boot, and see the list of supported modes. QEMU's default driver supports up to 4096x4096. For example: >> OpenBSD/amd64 BOOTX64 3.63 boot> ...
andreoss's user avatar
  • 120

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