Bug 1259640

Created attachment 1069661 [details]
File: backtrace

Created attachment 1069662 [details]
File: cgroup

Created attachment 1069663 [details]
File: core_backtrace

Created attachment 1069664 [details]
File: dso_list

Created attachment 1069665 [details]
File: environ

Created attachment 1069666 [details]
File: limits

Created attachment 1069667 [details]
File: maps

Created attachment 1069668 [details]
File: mountinfo

Created attachment 1069669 [details]
File: namespaces

Created attachment 1069670 [details]
File: open_fds

Created attachment 1069671 [details]
File: proc_pid_status

Created attachment 1069672 [details]
File: var_log_messages

This bug appears to have been reported against 'rawhide' during the Fedora 24 development cycle.
Changing version to '24'.

More information and reason for this action is here:
https://fedoraproject.org/wiki/Fedora_Program_Management/HouseKeeping/Fedora24#Rawhide_Rebase

*** Bug 1326457 has been marked as a duplicate of this bug. ***

I finally found a reliable way to reproduce this crasher:

1. log in into a gnome@wayland session
2. start cherrytree

What happens:
gnome-shell immediately crashes

Affected software versions:
xorg-x11-server-Xwayland-1.18.3-2.fc24.x86_64
gtk3-3.20.3-1.fc24.x86_64
gnome-shell-3.20.1-1.fc24.x86_64
cherrytree-0.36.9-1.fc24.noarch
mutter-3.20.1-1.fc24.x86_64

FWIW, I can run cherrytree just fine on GNOME/Wayland on F25

The backtrace of mutter/gnome-shell won't help here, basically it's aborting because Xwayland has stopped, but that doesn't tell us why Xwayland has stopped.

What's useful in this case is the content of journalctl at the time of the issue which will contain some indication of what happened on the Xwayland side.

So it is unfortunately impossible to state whether or not those other bugs are duplicates by looking at the effects rather than the cause.

When comment #15 happened, this was logged to journalctl:

Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: Failed to compile VS: 0:13(43): error: `pos' undeclared
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: 0:13(14): error: operands to arithmetic operators must be numeric
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: 0:13(13): error: operands to arithmetic operators must be numeric
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: Program source:
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: #define ATLAS_DIM_INV 0.000976562500000000
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: attribute vec2 primitive;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: attribute vec2 source;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: varying vec2 glyph_pos;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: uniform vec2 fill_offset;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: uniform vec2 fill_size_inv;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: varying vec2 fill_pos;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: uniform vec4 v_matrix;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: void main() {
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]:        gl_Position.xy = primitive.xy * v_matrix.xz + v_matrix.yw;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]:        gl_Position.zw = vec2(0.0,1.0);
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]:        glyph_pos = source.xy * ATLAS_DIM_INV;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]:        fill_pos = (fill_offset + primitive.xy + pos) * fill_size_inv;
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: }
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: (EE)
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: Fatal server error:
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: (EE) GLSL compile failure
Mai 09 11:40:45 hostname org.gnome.Shell.desktop[18715]: (EE)

I can confirm this issue happens no more on Fedora 25 with Gnome on Wayland.

Right, so definitely _not_ a dupe of bug 1278159:

  (EE) GLSL compile failure

If anything, it could be a dupe of bug 1259649 - Anyway, OK to close if it's solved?

Ok, close it as NEXTRELEASE if you like.

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