This was tricky but I finally got a successful boot (following several
failed boots) using gdm3 by selecting the kernel with "e" from grub and
then removing 'quiet splash'. So I hope this is more helpful.
** Attachment added: "prevboot.txt"
Thanks. Unfortunately that log is not helpful because it contains only
one boot done in recovery mode with modesetting disabled:
Apr 15 14:33:53 lance-desktop kernel: Command line:
BOOT_IMAGE=/boot/vmlinuz-5.0.0-11-generic
root=UUID=ddacea78-cdda-4236-94c3-4c4d9d3dad20 ro recovery nomodeset
Method used to collect this info:
(1) Fresh installed 20190413.2 choosing not to auto-login.
(2) Rebooted after install and surprisingly gdm3 appeared as it should so I
booted to desktop and just rebooted.
(3) That reboot failed as had been the previous case - just a black screen,
totally
As requested. Definitely C2D era board (Intel DG43GT) running a Pentium
Dual Core.
** Attachment added: "lspcik.txt"
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1824588/+attachment/5256044/+files/lspcik.txt
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This might also be related to bug 1819943.
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Desktop Bugs, which is subscribed to gdm3 in Ubuntu.
https://bugs.launchpad.net/bugs/1824588
Title:
Ubuntu Disco boots to or logs out to black screen
To manage notifications
Please:
1. Run:
lspci -k > lspcik.txt
and send us the file 'lspcik.txt'.
2. Reproduce the black screen problem, reboot and then run:
journalctl -b-1 > prevboot.txt
to collect the log of the previous boot which had the problem, and
send us the file 'prevboot.txt'.
** Changed in:
This bug has been reported on the Ubuntu ISO testing tracker.
A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1824588
** Tags added: iso-testing
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Desktop Bugs,
Slight change in behavior testing a fresh install of 20190413.2 - if
installed with auto-login switched on logout did load and give the
expected choices of Ubuntu and Ubuntu w/Wayland. But if auto-login is
turned off I still get a black screen on reboot. I suspect that gdm3 is
not even loading
This does appear to be hardware related because I encounter no problem
on a box with Intel G41 graphics but the X4500 is a no-go with gdm3.
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I found that turning auto-login off resulted in booting to a black
screen so after unsuccessfully trying the nomodeset boot option I
installed 'lightdm-gtk-greeter' and 'lightdm' from recovery mode which
gives me a working system. I had encountered no problems with desktop
behavior but this box
** Summary changed:
- Ubuntu Disco logs out to black screen
+ Ubuntu Disco boots to or logs out to black screen
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https://bugs.launchpad.net/bugs/1824588
Title:
Ubuntu
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