OK, sounds very likely to be a kernel bug, triggered by GPU usage upon
login.
** Summary changed:
- Gnome Shell hangs at startup
+ Whole machine freezes at startup using kernels after 4.8
** Changed in: linux (Ubuntu)
Status: Incomplete => New
** Changed in: gdm3 (Ubuntu)
Status:
@Daniel no, the whole system freezes, even if I ssh before the UI starts
(which requires exact timing), then the machine freezes.
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Title:
Gnome
Yes, I am assuming "hangs" means that the user interface is hung, but
not the internals of the system. So that's why the instructions in
comment #15 require a second machine and for you to be logged in from
that already before reproducing the graphical hang.
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@Daniel I can't really follow those steps exactly, as the machine hangs
as soon as either GDM or gnome-shell is started
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Title:
Gnome Shell
Ah, yes. Sorry but your bug 1726600 is a duplicate of bug 1505409. And I
think this one is different to those two. It just means the wrong .crash
file was sent...
Please try following the steps in #15 again, or repeatedly, and we'll
see if we can find an instance of this one.
** Changed in: gdm3
I'm still seeing a similar issue with daily images of Bionic.
At boot, the machine hangs at splash screen.
If I boot without "splash quiet", I can see the last message is about starting
login session.
I'm not sure this is actually a duplicate of #1505409.
How can I help fixing this? It makes it
*** This bug is a duplicate of bug 1505409 ***
https://bugs.launchpad.net/bugs/1505409
Great, thanks. Looks like a duplicate of bug 1505409.
** This bug has been marked a duplicate of bug 1505409
gnome-shell crashed with SIGTRAP in x_io_error() from _XIOError() from
_XEventsQueued() from
To test the issue, I booted in text mode (multi-user.target), logged in
and then started gnome-shell.
Nothing happens (the session doesn't start and the console seems hang).
Via ssh, I ran the killall, saved the .crash file and uploaded to the
following bug:
OK, we're going to need to analyse the hung gnome-shell process. Please
try to do this:
1. Install openssh-server:
sudo apt install openssh-server
2. Using a second machine, log into the offending machine via SSH:
ssh @
where is your username, and is either hostname or the
machine's
FTR this still happens with gnome-shell 3.26.1-0ubuntu4 and kernel
4.13.0-16-generic
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Title:
Gnome Shell hangs at startup
To manage
apport information
** Tags added: apport-collected wayland-session
** Description changed:
I'm trying to install from the daily Artful desktop image (20170612).
After boot, the gnome session hangs at startup, while the "zoom"
animation is being shown.
I have an intel card:
It looks like that error is caused by sudo. Please just run:
apport-collect 1697450
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Is there any way I could debug the issue with 4.13?
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Title:
Gnome Shell hangs at startup
To manage notifications about this bug go to:
If I run gnome-shell from the terminal with the latest (4.13.0-12.13)
kernel, the system freezes.
Running apport-collect while running the 4.8 kernel segfaults:
$ sudo apport-collect 1697450
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect:
Connection refused
Invalid
Also, comment #3 suggests this is a kernel bug so I'll add a kernel
task.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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The version of GNOME in Ubuntu 17.10 is now quite different to when this
bug was reported.
Does the bug still occur with newer images from here?
http://cdimages.ubuntu.com/daily-live/current/
** Changed in: gdm3 (Ubuntu)
Status: New => Incomplete
** Changed in: gnome-shell (Ubuntu)
** Tags added: gnome-17.10
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Title:
Gnome Shell hangs at startup
To manage notifications about this bug go to:
** Summary changed:
- Gnome Shell hangs at login, while the "zoom" animation is being shown
+ Gnome Shell hangs at startup
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Title:
Gnome Shell
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