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  1. Mediated Intel iGPU (GVT-g) stopped working after kernel upgrade

    Hi, It seems that Mediated Intel iGPU (GVT-g) stopped working after the latest 5.4.55-1-pve kernel upgrade. It used to work in the past on the same system (Nothing other than the kernel upgrade has happened on the system since). I do see now a stack trace in the "dmesg" log where you can see...
  2. LXC fails starting container when a mount point's "maximum mount count" is reached

    My LXC containers are failing to start with segfault exceptions. It seems that the root cause for this is a mount that is not available when the LXC container is starting. So what happens is that I have an external drive mounted at /mnt/external and that folder I have mounted in my LXC...
  3. Patch an upstream kernel driver. What's the best way? Proxmox Kernel Sources anywhere?

    Hi, I'm trying to patch a upstream kernel driver (ath.ko). Doing so should be fairly easy even though it seems a bit clumsy. It requires to install the "linux-sources" package from APT, extract the kernel source file that gets downloaded with it, patch it, compile the module and install the...
  4. Mediated i915-GVTg GPU hangs and in some cases crashes Proxmox host when used with KVM

    Hi, I have a Intel Pentium N4200 (HD Graphics 505) PC where I'm running Proxmox. I'm trying to use the Mediated GPU feature (i915-GVTg) on my machine. I tested with Linux and Windows and in both cases I get the following message in the Host (Proxmox): ... [ 144.757656] i915 0000:00:02.0...
  5. How to enable DISCARD and WRITEZEROS in virtio-blk in Proxmox 6.0

    Hi, I just updated my Proxmox server to 6.0 and I have to say that this update is just amazing. The version of QEmu got bumped up to 4.0 in this update, which finally brings support for DISCARD and WRITEZEROS to virtio-blk as per QEmu's changelogs (https://www.qemu.org/2019/04/24/qemu-4-0-0/)...
  6. Is it possible to control a WiFi device from LXC container? (wifi pass trough)

    Hi, Is it possible to mount or pass a physical WiFi device to an LXC container, without bridging it? Basically being able to completely control a WiFi device from within an LXC container (Be able to connect to a WiFi network, spin up an AP, etc but from inside an LXC container). From what I...
  7. lxc.* config entries are lost during restoration of LXC vzdumps

    Hi, I have several LXC containers that have several "lxc.*" settings (lxc.mount.entry, lxc.cgroup.devices.allow, etc) in the config file. Due to organizative reasons I decided to move most of the containers to different ID numbers which basically consisted of stopping the containers, backing...
  8. Restoring a unprivileged container with custom idmap results in nouser/nobody folders

    Hi, I created a unprivileged container and created a user with ID 1003 (user1) in it. I wanted to map that user to a user with ID 200001 (user1) from the Host system, so I can attach a external hard drive and map it inside the container and administrate it from the Host with a meaningful user...
  9. Server is crashing, no errors in logs. Kernel bugs, and more.

    Hi, recently my server started crashing or restarting randomly, although mostly during multimedia streaming (Or at least it's when I notice it mostly), but logs show no error messages. System log just shows just regular interface went up messages or apparmor, or other startup messages, and then...
  10. Installing OpenWRT as LXC. How convert LXC template to Proxmox Template?

    Hi, I'm trying to install OpenWRT as LXC. I have a LXC template file that can be inported with the command "lxc image import template.tar.gz". Source to build the image is here: github com mikma lxd-openwrt and a binary version can be found here: Google Drive Share...
  11. mknod fails in Alpine but not in Debian in LXC

    Hi, I'm trying to have a small OpenVPN client in a LXC container in Proxmox. I created two privileged LXC containers, one is Alpine Linux and one is Debian 9. I added "lxc.cgroup.devices.allow = c 10:200 rwm" to the .conf file of both containers. Once the container has started I run "mkdir -p...
  12. User mapping breaks unprivileged containers

    Hi, I'm trying to bind-mount a folder in an unprivileged container and be able to read-write-create files on that mount. But so far I was only able to mount the folder but from within the container it is not possible to even see the contents of the folder (nobody permissions). So I'm trying...

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