Re: Unable to boot Fedora LiveCD from USB pendrive with qemu-system

2021-11-10 Thread Pascal
hi, may be with -drive if=none,file=/dev/sdb,id=usb -device usb-storage,drive=usb,id=usb and possibly add -snapshot regards. Le lun. 8 nov. 2021 à 17:23, Thomas Huth a écrit : > On 07/11/2021 16.30, Marcin Zajączkowski wrote: > > Hi. Having some (dracut-related) issues with a Fedora LiveCD ins

Re: Guest Ubuntu 18.04 fails to boot with -serial mon:stdio, cannot find ttyS0.

2021-11-10 Thread David Fernandez
As I have not hear anything yet, I thought I would summarize the current status for this problem. Please, let me know if any other tests or information are needed. I am running qemu-system-x86_64 v5.2.0 (also tried v6.1.0 and top of master) on:    - aarch64 (Jetson AGX Xavier) with Ubuntu 18.04

Re: Unable to boot Fedora LiveCD from USB pendrive with qemu-system

2021-11-10 Thread Marcin Zajączkowski
Thanks Thomas and Pascal for your replies! In the end, it turned out that transferring boot image to my old pendrive multiple times exceeded its durability. With the new one, I was able to boot without any problem with two my warrants as well as yours :). Thanks Marcin On 2021-11-08 17:23, Th

qemu-nbd thinly-provisioned exported qcow2 disk get io error in guest vm.

2021-11-10 Thread Liang Cong
Dear all, I am facing an issue while using qemu-nbd thinly-provisioned exported qcow2 disk. below is the steps: 1. qemu-img create -f qcow2 /tmp/img.qcow2 100M 2. qemu-nbd -f raw /tmp/img.qcow2 3. then I use it as a virtual disk in guest vm with xml like below: 4. when i start the guest and