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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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:
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
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
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
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)
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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** 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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