[Wayland-bugs] [Bug 72494] Weston doesn't launch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72494

--- Comment #5 from Pekka Paalanen <ppaalanen at gmail.com> ---
You really absolutely must solve the XDG_RUNTIME_DIR not set issue first. I
think there are multiple places that explicitly look at the env var in every
Wayland program, and missing it is fatal. The weston error message "creating a
keymap file for 45158 bytes failed: No such file or directory" suggest that you
missed a place in your hacks.

Look at the XDG_RUNTIME_DIR setup in
http://wayland.freedesktop.org/building.html . If you are using some older
version of Weston, weston-launch will clear the current environment before
executing 'weston' through the login shell. That means you have to edit the
login shell startup scripts to set XDG_RUNTIME_DIR, as instructed.

If you are using a recent version of Weston, then weston-launch apparently does
not clear the current environment, if you do not pass any options to
weston-launch. That means that simply 'export XDG_RUNTIME_DIR=/...' from the
running shell is enough.

While using weston-launch, you pass options to weston like this:
$ weston-launch -- --my-weston-option
Notice the extra -- in between, which is documented in 'weston-launch --help'.

A good way to catch the weston log is to use
$ weston-launch > log.txt 2>&1
so you get both stdout and stderr of everything running under weston-launch
into the file.

If you set XDG_RUNTIME_DIR to point to directory on a tmpfs like it should, you
need to re-create the directory every time you boot, since tmpfs loses all its
content on shutdown.

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