*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
This apparently fixed the problem for me (at least on the next
reboot...):
sudo apt-get remove --purge lightdm
sudo apt-get install lightdm ubuntu-desktop
Cheers,
Pierre
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*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
** Tags added: 232
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Title:
lightdm
*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
Hello, seems the problem falls back from the X windows server. I just
generated a new xorg.conf using X -configure and saving the output file
in /etc/X11/xorg.conf, and then magically it started working with
*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
#7 (sleept 2) worked for me on lenovo x230 ubuntu 12.10
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*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
I have the same problem but btrfs as filesystem on a normal hard disk.
The btrfs overhead seems to slow down the boot and lightdm is respawning
once then exiting. Switching to btrfs raid 0 seems to fix but I
*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
@Eric Young
Remember, this bug report is a duplicate of bug #969489.
Comment here only if you think the duplicate status is wrong.
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*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
This is absolutely a race condition. I am currently solving the issue with a
sleep 1 before exec lightdm.
Someone please fix the actual code and push an update.
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*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
Same issue with me on Ubuntu 12.10.
I can't understand why this bug hasn't hight priority.
It's very frustrating when you want to show the power of Ubuntu to your friends
and the system doesn't start.
It's
*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
Same issue with me on Ubuntu 12.10 with the following hardware :-
Intel Core i3-3225 (w/HD 4000)
8GB Corsair Vengeance DDR3-1866
ASRock H77M-ITX motherboard
Corsair F40 40GB SSD
On most cold boots now
*** This bug is a duplicate of bug 969489 ***
https://bugs.launchpad.net/bugs/969489
** This bug has been marked a duplicate of bug 969489
lightdm tries (and fails) to start too early?
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Same problem here with a clean install xubuntu 12.10 running kernel
3.5.0-18-generic.
Dell XPS 15 L502X
SSD crucial m4 256gb
16GB Ram
Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz
[GeForce GT 540M] working only with bumblebee
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After a surprising 5 successful restarts with 'sleep 6' added into
/etc/init/lighdm.conf file, I thought that some recent updates might
have fixed it. I've kept an eye on the updates that were being applied
and they don't look to be related but hey, the proof was in the pudding
- five successful
Ok all, I've done some digging around it Lightdm is trying to start
before UDEV reports the graphics devices as being ready. Please see
#969489
By adding 'and stopped udevtrigger to lightdm.conf has fixed the issue
for me.
/etc/init/lightdm.conf:
start on ((filesystem
and runlevel
It certainly looking like some kind of race condition when SSDs are involved.
Adding a sleep x command doesn't help no matter how many seconds I tell it to
sleep for.
Also starting lightdm manually (instead of using the init script) more often
fails than succeeds. This confirms for me that it
If it's a race condition with SSDs why did I have the problem on an old
Celeron machine with an ancient ATA-33 hard drive?
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Title:
@Agent24: Old HDD's are also susceptible to race condition bugs. It
just means one process is loading faster than another in a multi-process
system. If one process requires another as a precondition to run
correctly then the necessary checks should be made in the code.
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Seems the issue was not solved after adding the sleep line after all.
Sometimes it works sometimes not. Tried increasing sleep as well, but
same result. Back to starting lightdm manually when it is not
working
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Same here (Lenovo X1 Carbon, SSD). Issue started with update to 12.10,
never had an issue with 12.04. Inserting sleep 2 seems to fix it
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I have the same issue on a Lenovo T530 (with a normal old disk) - I have
also seen them well after start-up, where the laptop screen will
suddenly switch to black screen with text and mouse pointer, while my
external monitor remains as before (see bug 1077516)
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Same problem here, also SSD drive.
Full specs:
- Lenovo e520 with 8G ram
- SSD Crucial m4 128
- Ubuntu 12.10 64 Bit, clean install
Ubuntu 12.04 was working perfectly on this regard.
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Same problem as well. The problem started after switching to a SSD disk
instead of an old normal disk. In most cases I got a printoutScanning
for btrfs filesystems after which the booting stopped.
Adding the sleep line mentioned in earlier posts solved the issue for
me. Prior to that I worked
Same problem for me, since the upgrade to 12.10 (Asus Zenbook UX31E)
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Title:
lightdm doesn't load correctly on Ubuntu 12.10
Same problem here with similar specs.
12.10 (64bit), Intel I7 Ivy Bridge with HD4000, 64GB SSD.
If I play around with the keyboard (random keys) long enough lightdm
sometimes eventually appears.
Completely new install with full updates.
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Same problem here (Lenovo Thinkpad Carbon X1).
It seems to be a race condition in lightDM. Maybe that's why it happens more
often for SSD (SSD are much faster than HDD).
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It seems like a lot of these issues are on comps with SSD. I have an SSD
as well. I experience this issue.
Other things that work,
Moving the mouse around until the cursor changes for input text, clicking and
entering my password = allows me to log in.
Pressing the power button, then hitting
Just restarted after making that sleep 2 change and it seemed to work.
Splash screen no longer shows up, but lightDM starts flawlessly.
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Same here (Lenovo Thinkpad Carbon X1)
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Title:
lightdm doesn't load correctly on Ubuntu 12.10
Status in “lightdm” package in
sorry guys, I do not speak English, but I'll make my first post, on my
machine zenbook ux31e also happens that problem, but I noticed a problem
with preload, apt-get install preload, removed and stopped giving these
problems, can you tell me if on their PCs have this program installed.
Again sorry
Further to post #24, since I'm already using gnome-shell as my primary DE, the
workaround (more of an alternative than a workaround) I employed was to switch
to gdm.
$ sudo dpkg-reconfigure gdm
I lost the pretty login, but gained a working Lockscreen. Lockscreen was
also failing to do anything
Same bug here, booting from an OCZ Vertex 3 SSD, 10 out of 10 starts drop me to
a irresponsive prompt + mouse cursor (restart lightdm from another virtual
console works).
The dirty workaround via sleep (1 second for me) gives a lightdm login prompt
10/10 times, so far. But apart from increasing
Same problem on my new machine after a fresh 12.10 install.
MB: MSI Z77A-G43
CPU: i5-3570K
GPU: Onboard Intel HD 4000
SSD: Patriot Inferno (SF-1222)
On my laptop (Aspire 5750 w/i7-2630QM using onboard graphics) with an
upgrade from 12.04 to 12.10, also using an SF-1222 based SSD, I'm NOT
seeing
I have the same problem after upgrading Ubuntu 12.04 to 12.10 on a Lenovo
Thindpad T430.
Inserting sleep 2 helped.
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Title:
Same problem here only happening with my SSD. I am sure there's a better
way to fix this issue (sleep 2 fix the problem, but i am now loosing 11
minutes and 2 seconds per year).
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I also have this same problem. I did a fresh install of Ubuntu 12.10
from a DVD on a System76 laptop.
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Title:
lightdm doesn't
I tried the sleep 2 trick, and it seems much more stable now (haven't
had a single hick-up yet). Doesn't seem like a real solution though.
On another note - I don't see the plymouth screen (not on boot and not
on shut-down). On boot-up, I only see a console log-in prompt, and on
shut-down I see
I also have a SSD Drive (Intel 320). Not sure if that is connected to this bug.
I increased the sleep time to 5 to see what happens. All I got was still a
black screen...
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To summarize my system (what I think might affect the boot process up
until lightdm):
- 64-bit Ubuntu 12.10
- Boot from 60 GB SSD (have mounted /on it)
- I have an HDD with 1 NTFS partiotion 1 ext4 partition mounted (in /mnt/...)
- I use GNOME shell rather than Unity (but still lightdm, not gdm)
before October 19:
- 64-bit Ubuntu 12.10 (updated from Ubuntu 12.10 beta-2)
- Boot from 750GB HDD
- Intel Core i5 Sandy Bridge CPU
- Intel HD3000 VGA
- LightDM is working well
after October 19:
- 64-bit Ubuntu 12.10 (fresh install)
- Boot from 128GB SSD
- Intel Core i5 Sandy Bridge CPU
-
@dozsi:
On my device it was opposite. I updated from 12.04 to 12.10 and lightdm stopped
working.
Now I run a fresh installation of Ubuntu 12.10 and it works great.
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@zubozrout
I reinstalled the Ubuntu with Unetbootin instead of Startup Disk Creator and
everything is ok!
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Title:
lightdm
@dozsi:
That is weird :)
I wonder whether it was luck or if there is a difference when installing Ubuntu
loaded from a live USB created with Unetbootin or Startup Disk Creator. In my
case, I used the default SDC and it works well.
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@zubozrout:
:)
The Startup Disk Creator is crashing after installing bootloader...
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Title:
lightdm doesn't load correctly on
I also have this problem.
I just did a fresh install of Ubuntu 12.10 using the Mini ISO and
installed only base system and the Lubuntu Minimal task.
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Adding the sleep 2 doesnt work.
Lightdm started once, but not again after.
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Title:
lightdm doesn't load correctly on Ubuntu
Adding the sleep 2 is working for me! When i comment out the sleep 2
line, lightdm won't starting again. Then the sudo /etc/init.d/lightdm
restart helps me.
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Have a very similar (probably same) problem on my fresh Ubuntu 12.10
installation. My system boots form an SSD drive, and it's using nvidia-
current-updates (GeForce 9600 card).
It looks as if things work OK sometimes when I reboot, or I can manually
just start lightdm from a ctrl+alt+F5
marcus: same problem here. I also have an SSD (Samsung 128GB). Booting
from HDD: everything is ok!
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Title:
lightdm doesn't load
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: lightdm (Ubuntu)
Status: New = Confirmed
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Same problem here (12.10 64Bit).
Restarting lightdm didn't work for me. All I got was this black screen
with a blinking cursor. To get to a working desktop anyway, I
(temporarily) switched to gdm by doing:
1. [alt+f1]
2. $ sudo apt-get install gdm
3. restart machine. when gdm loginscreen comes
Try modifying your /etc/init/lightdm.conf to the following (adding the
sleep 2 line):
# LightDM - light Display Manager
#
# The display manager service manages the X servers running on the
# system, providing login and auto-login services
#
# based on gdm upstart script
description LightDM
Exactly same happens to me. Sometimes the lightdm able to load properly,
but 90% persent of boots it goes black terminal screen weth mouse
cursor. In roder to resolve this I going to terminal (alt+f1) and 'sudo
restart lightdm'. Only then the login screen apears.
I've Dell XPS 14 Ultrabook
I am disappointed I can't close the bug. The problem still persists. The
reinstallation of lightdm package affected only first 3 boots after the
procedure, but it no longer seems to make any effect.
In addition, I've noticed that my mouse pointer is not only visible on virtual
terminal 7, but
The possible solution for this is to apt-get purge lightdm pakage and
then install it again. However, I am not sure if this will work
permanently yet. I will disable the bug later this week if all goes
well. The probable reason for this may be some bad configuration that
didn't work with the
Ok, so with the latest boot I ended up with a similar screen but this
time only cursor was visible on a blank black screen. However I can
still temporarily solve it by restarting lightdm process.
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