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10 Crashes and Bugs

Getting the log

If you are in a TTY, and the hyprland session that crashed was the last one you launched, the log will be printed with

cat /tmp/hypr/$(ls -t /tmp/hypr/ | head -n 1)/hyprland.log

feel free to save it to a file, save, copy, etc.

if you are in a Hyprland session, and you want the log of the last session, use

cat /tmp/hypr/$(ls -t /tmp/hypr/ | head -n 2 | tail -n 1)/hyprland.log

Obtaining the Hyprland Crash Report

If you have $XDG_CACHE_HOME set, the crash report directory is $XDG_CACHE_HOME/hyprland. If not, it's $HOME/.cache/hyprland.

Go to the crash report directory and you should find a file named hyprlandCrashReport[XXXX].txt where [XXXX] is the PID of the process that crashed.

Attach that file to your issue.

Crashes at launch

Diagnose the issue by what is in the log:

  • sWLRBackend was NULL! -> launch in the TTY and refer to the wlr logs in RED.
  • Monitor X has NO PREFERRED MODE, and an INVALID one was requested -> your monitor is bork.
  • Other -> see the coredump. Use coredumpctl, find the latest one's PID and do coredumpctl info PID.
  • failing on a driver (e.g. radeon) -> try compiling with make legacyrenderer, if that doesn't help, report an issue.
  • failing on wlr-xxx -> try compiling with make legacyrenderer, if that doesn't help, report an issue, and also refer to the TTY wlr logs in RED like in the first point.
  • failing on Hyprland -> report an issue.

Crashes not at launch

Report an issue on GitHub or on the Discord server.

Bugs

First of all, READ THE FAQ PAGE

If your bug is not listed there, you can ask on the Discord server or open an issue on GitHub.

Building the Wayland stack with ASan

If requested, this is the deepest level of memory issue debugging possible.

Do this in the tty, with no Hyprland instances running

Clone hyprland: git clone --recursive https://github.com/hyprwm/Hyprland

make asan

Reproduce your crash. Hyprland will exit back to the tty.

Now, in either cwd, ~ or ./build, search for file(s) named asan.log.XXXXX where XXXXX is a number.

Zip all of them up and attach to your issue.