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Bug 785055 - Segfault on FC26
Segfault on FC26
Status: RESOLVED DUPLICATE of bug 786668
Product: gnome-shell
Classification: Core
Component: general
3.24.x
Other Linux
: Normal critical
: ---
Assigned To: gnome-shell-maint
gnome-shell-maint
Depends on:
Blocks:
 
 
Reported: 2017-07-18 10:10 UTC by Arnaud
Modified: 2017-12-06 17:56 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
Traceback from gnome-shell crash (8.59 KB, text/plain)
2017-08-07 20:44 UTC, Jonathan Corbet 		Details

Description Arnaud 2017-07-18 10:10:55 UTC 
[  +6,250237] gnome-shell[4961]: segfault at 10 ip 00007fbc69a446fe sp 00007ffdeaceb7b0 error 4 in libmozjs-38.so[7fbc696da000+6a7000]


$ gnome-shell --version
GNOME Shell 3.24.2


$ gnome-shell --list-modes
gdm
user
initial-setup


Fyi, i run GS on wayland
Comment 1 Florian Müllner 2017-07-18 10:19:08 UTC 
(In reply to Arnaud from comment #0)
> [  +6,250237] gnome-shell[4961]: segfault at 10 ip 00007fbc69a446fe sp
> 00007ffdeaceb7b0 error 4 in libmozjs-38.so[7fbc696da000+6a7000]

That's not enough information to even determine which component the issue belongs to (although libmozjs or gjs are more likely candidates than gnome-shell), much less fix it. Please provide a full backtrace.
Comment 2 Arnaud 2017-07-18 10:20:45 UTC 
that's all dmesg told me, how can I give you more info?
Comment 3 Jonathan Corbet 2017-08-07 20:39:46 UTC 
I'm seeing something very similar on F26.  Happens 1-3 times per day with no visible cause.  On X, things restart and all my windows move downward by one title-bar height.  On Wayland, the results are rather less pleasing...

The traceback from the log is not easy to read; I'll attach it separately.  Is there a better way to do this?
Comment 4 Jonathan Corbet 2017-08-07 20:44:29 UTC 
Created attachment 357148 [details]
Traceback from gnome-shell crash
Comment 5 Jonas Ådahl 2017-08-08 08:15:21 UTC 
IS your F26 up to date? What's the version of mozjs-38 and gjs?

From what I can see, it's still a crash in gjs/mozjs.
Comment 6 Jonathan Corbet 2017-08-08 13:44:21 UTC 
Yes, up to date within a day or so.  I have mozjs38-38.8.0-4.fc26.x86_64 and gjs-1.48.6-1.fc26.x86_64.
Comment 7 Jonathan Corbet 2017-12-06 17:49:58 UTC 
Just FWIW, I have not experienced this crash since upgrading to F27.  I suspect that the bug has been somehow fixed...I might even dare running wayland again sometime soon :)
Comment 8 Ray Strode [halfline] 2017-12-06 17:56:45 UTC 
probably bug 786668

*** This bug has been marked as a duplicate of bug 786668 ***