Package: cloud.debian.org
Followup-For: Bug #1041891
X-Debbugs-Cc: rvandegrift@debian.org

Control: reassign -1 src:linux

I ran into this issue, and will provide a kernel merge request. Since qemu's virtconsole docs barely exist, here's a simple way to reproduce.

First start a VM using a cloud image, with a console connected to /tmp/console:

qemu-system-x86_64 \
-drive file=debian-12-nocloud-amd64-20250428-2096.qcow2,index=0,media=disk,if=virtio \
-machine type=q35,accel=kvm \
-cpu host \
-m 256m \
-device virtio-serial,addr=5 \
-nographic \
-chardev socket,id=charserial0,path=/tmp/console,server=on,mux=on,wait=off \
-device virtconsole,chardev=charserial0,name=org.lfedge.eve.console.0 \
-serial chardev:charserial0 \
-snapshot

Second connect with:

socat -,rawer,escape=0x0f /tmp/console

You will see messages, but input will fail unless virtio_console happened to be built into the initrd.

Ross

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