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Bug 1676890

Summary: firefox-wayland crashes gnome-shell when ff tab is dragged out and moved between monitors in multi monitor setup
Product: [Fedora] Fedora Reporter: Mateusz Mojsiejuk <tomodachi>
Component: gnome-shellAssignee: Owen Taylor <otaylor>
Status: CLOSED WORKSFORME QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: urgent Docs Contact:
Priority: unspecified    
Version: 29CC: 0xalen+redhat, anto.trande, fmuellner, gecko-bugs-nobody, gnome-sig, jadahl, jgrulich, jhorak, john.j5live, kengert, otaylor, pjasicek, rhughes, rstrode, sandmann, stransky
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-07-11 10:54:24 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1054334    
Attachments:
Description Flags
gnome-shell backtrace
none
tailf of journalctl none

Description Mateusz Mojsiejuk 2019-02-13 14:13:35 UTC 
Description of problem:


Version-Release number of selected component (if applicable):

Fedora 29 ,  

firefox-wayland-65.0-4.fc29.x86_64


How reproducible:
100% 

Steps to Reproduce:
1. Start firefox-wayland, have multiple tabs open in ff.
2. Pull one tab out and move it to secondary monitor and back a couple of times
3. Behold results

Actual results:
Gnome-shell hangs completely and stops updating screen (sound is still coming through so believe all processes keep running)


Expected results:
Window should move between the two monitors in a multi-monitor setup


Additional info:
hard - resetting and booting again and the computer works
but if you start firefox-wayland again and it has restore previous sessions
enabled you will trigger the same bug causing an instant crash of gnome-shell again.

One has to start ff with another profile , or start the non wayland version of firefox to undo the tab on the secondary screen.
Comment 1 Jonas Ådahl 2019-02-19 10:23:44 UTC 
After having installed the debug symbols of the mutter and gnome-shell packages, can you run the following:

sleep 10 && pstack $(pgrep -u $USER -x gnome-shell) >& gnome-shell-backtrace.txt

then within 10 seconds, reproduce the freeze you are experiencing? It should hopefully log where gnome-shell got stuck. Attach the resulting file here. A piece of the journal from when gnome-shell got stuck would help as well.
Comment 2 Mateusz Mojsiejuk 2019-02-20 21:15:21 UTC 
Created attachment 1536860 [details]
gnome-shell backtrace
Comment 3 Mateusz Mojsiejuk 2019-02-20 21:18:42 UTC 
Created attachment 1536861 [details]
tailf of journalctl
Comment 4 Mateusz Mojsiejuk 2019-02-20 21:20:16 UTC 
The attached files above were generated on firefox-wayland-65.0.1-1.fc29.x86_64
Comment 5 Jonas Ådahl 2019-02-28 13:25:55 UTC 
Any chance to get get a backtrace with debug symbols (for mutter, gnome-shell and glib)?
Comment 6 Mateusz Mojsiejuk 2019-03-22 10:55:26 UTC 
I can no longer reproduce the issue, So I think it can be set to solved.

possibly in the firefox release yesterday as I noticed I'm on:
firefox-wayland-66.0-6.fc29.x86_64 now
Comment 7 Martin Stransky 2019-07-11 10:54:24 UTC 
Thanks!