Blender 4.4.0 Fails to Start on RHEL9 Due to Wayland/X11 and XDG_RUNTIME_DIR Issues
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I downloaded the latest Blender 4.4.0 binary, but it frequently fails to start on RHEL9 with the following error. How can I resolve this issue? The issue happens in an X11 session that is started from an xfce desktop session. Moreover, the issue sometimes happens but sometimes doesn't.
$ ./blender-4.4.0-linux-x64/blender -d
Switching to fully guarded memory allocator.
Blender 4.4.0
Build: 2025-03-18 03:01:40 Linux Release
argv = ./blender-4.4.0-linux-x64/blender
argv[1] = -d
GHOST/Wayland: error: XDG_RUNTIME_DIR is invalid or not set in the environment.
./blender-4.4.0-linux-x64/blender() [0x104e610]
/lib64/libwayland-client.so.0(+0x6c8a) [0x7f590a01ac8a]
/lib64/libwayland-client.so.0(wl_display_connect+0x310) [0x7f590a01f7b0]
./blender-4.4.0-linux-x64/blender() [0x1616494]
./blender-4.4.0-linux-x64/blender() [0x15fb3b4]
./blender-4.4.0-linux-x64/blender() [0x15f9730]
./blender-4.4.0-linux-x64/blender() [0x12c67b4]
./blender-4.4.0-linux-x64/blender() [0x12a5f55]
./blender-4.4.0-linux-x64/blender() [0x74a573]
/lib64/libc.so.6(+0x3feb0) [0x7f5d26798eb0]
/lib64/libc.so.6(__libc_start_main+0x80) [0x7f5d26798f60]
./blender-4.4.0-linux-x64/blender() [0x88d0ee]
[xcb] Unknown sequence number while processing queue
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
blender: xcb_io.c:269: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
Aborted (core dumped)
Asked by Yang Liu
(1 rep)
Mar 25, 2025, 07:31 PM
Last activity: Mar 31, 2025, 12:35 PM
Last activity: Mar 31, 2025, 12:35 PM