Unable to get Looking Glass to work on Windows 10 Guest with Debian Host (QEMU/KVM)

talesofthelostdependency · 02-06-2021, 07:02 PM

The title doesn't really need to be repeated, despite following the tutorials to the best of my ability (I managed to actually get the passthrough working) but after installing the Looking Glass Host on the Windows Guest (and compiled the Looking Glass Client on the Debian Host) (In addition to everything else...), "looking-glass-client" spits out this upon execution...

3487543812 [I] main.c:1675 | main | Looking Glass (B2-0-g76710ef201)
3487543834 [I] main.c:1676 | main | Locking Method: Atomic
3487696381 [I] ivshmem.c:180 | ivshmemOpenDev | KVMFR Device : /dev/shm/looking-glass
3487696398 [E] ivshmem.c:227 | ivshmemOpenDev | Failed to open: /dev/shm/looking-glass
3487696400 [E] main.c:1249 | lg_run | Failed to map memory

These are the tutorials I followed...

"PCI Passthrough | System Configuration | Part 1" by Chris Titus Tech

http://youtube.com/watch?v=3yhwJxWSqXI

"PCI Passthrough | Virtual Machine Setup | Part 2" by Chris Titus Tech

http://youtube.com/watch?v=GbhUBQdMoJg

"Easiest Looking Glass guide for KVM virtual machines" by Pavol Elsig

http://youtube.com/watch?v=wEhvQEyiOwI

My Machine has a

AMD Ryzen 9 3990x

AMD RX 590 (This is the card I passed through and now want to use with Looking Glass.)

My Linux is a

Debian Testing (Bullseye)

Linux (Machine Name) 5.10.0-2-amd64 #1 SMP Debian 5.10.9-1 (2021-01-20) x86_64 GNU/Linux

gnif · 06-05-2021, 10:32 PM

`B2-0-g76710ef201` is very old, we are on B3 and almost ready to release B4.

`Failed to open: /dev/shm/looking-glass`

Check the permissions on this file, that your current user can read/write it.
Use the official documentation at https://looking-glass.io/ci/host/doc?id=bleeding

If you still have problems join the support discord server and just ask.

https://discord.gg/52SMupxkvt