[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2019-03-04 Thread Daniel van Vugt
This bug is closed. Please open a new bug if you have any problems.

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  Ubuntu 18.04: gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2019-03-02 Thread bnhede
I had similar issues where the upgrade from 16.04 to 18.04 resulted in blank 
screen,
The key to finding the problems was reviewing the errors in the file 
/var/log/syslog 

gnome-session[2851]: X Error of failed request:  BadValue (integer parameter 
out of range for operation)
gnome-session[2851]:   Major opcode of failed request:  154 (GLX)
gnome-session[2851]:   Minor opcode of failed request:  3 (X_GLXCreateContext)
gnome-session[2851]:   Value in failed request:  0x0
gnome-session[2851]:   Serial number of failed request:  19
gnome-session[2851]:   Current serial number in output stream:  20
gnome-session[2851]: gnome-session-check-accelerated: GL Helper exited with 
code 256
gnome-session-c[2979]: Couldn't connect to accessibility bus: Failed to connect 
to socket /tmp/dbus-4UdC671MtT: Connection refused
gnome-session-c[2979]: eglGetDisplay() failed
gnome-session[2851]: gnome-session-check-accelerated: GLES Helper exited with 
code 256
gnome-session-c[2980]: Couldn't connect to accessibility bus: Failed to connect 
to socket /tmp/dbus-4UdC671MtT: Connection refused
gnome-session[2851]: X Error of failed request:  BadValue (integer parameter 
out of range for operation)
gnome-session[2851]:   Major opcode of failed request:  154 (GLX)
gnome-session[2851]:   Minor opcode of failed request:  3 (X_GLXCreateContext)
gnome-session[2851]:   Value in failed request:  0x0
gnome-session[2851]:   Serial number of failed request:  19
gnome-session[2851]:   Current serial number in output stream:  20
gnome-session[2851]: gnome-session-check-accelerated: GL Helper exited with 
code 256

The solution was found in the outline in the link below, to remove the nvidia 
drivers.
I was surprised this was the solution as my system ran on intel integrated gpu. 
However its hard to know how things precipitate till they do. 

https://www.osso.nl/blog/ubuntu-bionic-crashing-gdm-eglgetdisplay/

First I changed the display manager to lightdm.

$ sudo apt-get install lightdm
$ sudo dpkg-reconfigure lightdm

to select lightdm as the default desktop manager

Then the login screen came up. However , I entered the famous ubuntu
login loop , where upon successful login to the system resulted into the
same greeter screen again instead of navigating into the desktop.


$ dpkg -l | grep nvidia 
$ sudo apt-get remove --purge nvidia-***

Voila, the system starts again as before .

I also had issues with the gnome themes, which cause the menus and
window title bars to disappear. I had to install the gnome "tweaks"
program to select the right theme and things were back.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-09-24 Thread Launchpad Bug Tracker
[Expired for gdm3 (Ubuntu) because there has been no activity for 60
days.]

** Changed in: gdm3 (Ubuntu)
   Status: Incomplete => Expired

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-26 Thread Daniel van Vugt
Joachim,

You are commenting on the wrong bug. Maybe see bug 1779827 instead.
Otherwise please log a new bug of your own by running:  ubuntu-bug
linux-generic

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-26 Thread Joachim Schwender
I noticed similar effect with very recent (4.17) kernels. In 4.16.8
there were changes in random.c due to a security flaw. The function that
detects "having enough entropy" is now strictly blocking. In the early
boot phase this is bad on any machine without enough entropy sources.
The kernel has 3 such sources: character devices, block devices and
interrupts. On newer machines you can also have hardware random engines
like in intel cores gen3+ (ivy bridge). This effect does not appear on
computers with such a hw-rng. If you have one without hw-rng, and with a
SSD only (they are not used for entropy gathering) and you don't mode
your mouse, you are likely seeing this. The bad thing is, this kernel
patch is actually necessary to prevent the system starting with
insufficient safe random numbers. I applied a patch that removes commit
43838a23a05fbd13e47d750d3dfd77001536dd33 in the kernel. After this
change the startup worked like expected, but this is not a solution as
it re-invents CVE-2018-1108. An idea would be to add a hw-rng like
https://www.crowdsupply.com/13-37/infinite-noise-trng, but i did not
test that so far. Check your cpu for the rdrand flag (lscpu). An entropy
deamon like rngd helps only if you have entropy sources that it can use.

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-1108

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-15 Thread Daniel van Vugt
Mark,

You are commenting on the wrong bug. Please see bug 1779827 or create a
new one.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-14 Thread Mark Fraser
Recently upgraded 2 computers to Kubuntu 18.04 and I'm also seeing this
problem in that the Kubuntu splash screen stays up for ages. As I have
only just upgraded my only other kernel was from 4.13. Installing
haveged seems to have fixed it on one computer at least.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-11 Thread Daniel van Vugt
That's intriguing. Yes please - next time this happens to anyone please
copy/move the folder contents instead of deleting them.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-11 Thread Kurt Smolderen
I tried the solution suggested by njsf (clearing /var/lib/gdm3) and it
rescued my system as well.

As suggested by Daniel I validated whether the disk was in a
deteriorated state, but this was not the case.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-11 Thread Kurt Smolderen
Thinking about it, I could better have copied the old content to see if
I could reproduce the bug by restoring the old values of the folder.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-10 Thread Daniel van Vugt
OK. If you rediscover this bug in the next two months and figure out the
exact cause then that would be helpful. Otherwise the bug will
automatically close if no further comments are added after two months.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-10 Thread Daniel van Vugt
I wonder if bug 1780986 is related...

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-10 Thread njsf
No hardware errors on the Smart counters

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Re: [Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-10 Thread njsf
There was no sign of corruption. Once the original gdm3 also failed and
given that the config in etc was the original, the only thing left to
check was the var/lib that I saw referenced in the Xorg cmdline.

I was able to upgrade gdm3 without problems.
The SSD did not run out of disk space it has several tens of Gb free.
I will check the SMART stats later but I doubt it had any.
On Jul 9, 2018, 22:15 -0400, Daniel van Vugt , 
wrote:
> Great. Thanks for figuring that out.
>
> Was there any sign of corruption? Were you able to upgrade gdm3 to the
> latest version again?
>
> I wonder - if it happens again then please check:
> 1. if your disk/partition is full (run: df -h); or
> 2. if the disk has experienced any hardware errors (run the Disks app > 
> burger menu > SMART Data & Self-Tests...).
>
> If most other people here are experiencing bug 1779827 instead of this
> then it is possible this bug was entirely unique to your machine.
>
> ** No longer affects: linux (Ubuntu)
>
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> Title:
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>
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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-09 Thread Daniel van Vugt
Great. Thanks for figuring that out.

Was there any sign of corruption? Were you able to upgrade gdm3 to the
latest version again?

I wonder - if it happens again then please check:
  1. if your disk/partition is full (run: df -h); or
  2. if the disk has experienced any hardware errors (run the Disks app > 
burger menu > SMART Data & Self-Tests...).

If most other people here are experiencing bug 1779827 instead of this
then it is possible this bug was entirely unique to your machine.

** No longer affects: linux (Ubuntu)

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-09 Thread njsf
NOTE: Results w/ haveged installed...

I installed gdm3 3.28.0-ubuntu1 with:

apt-get install gdm3=3.28.0-0ubuntu1 libgdm1=3.28.0-0ubuntu1
gir1.2-gdm-1.0=3.28.0-0ubuntu1

After reboot gdm3 would still not start.

After I noticed the path used I decided to:

rm -rf /var/lib/gdm3/*
rm -rf /var/lib/gdm3/.[a-z]*

After a reboot gdm3 started both w/ Xwayland and Xorg

It seems that the upgrade to kernel 4.15.0-24 together w/ gdm3 upgrade
caused some corruption of the gdm3 cached contents under /var/lib/gdm3
that prevented it from starting.

IMO this is not an easy thing to troubleshoot as nothing in the logs indicated 
any issue.
It is could also be preventable: have the gdm3 package always clear 
/var/lib/gdm3 as the next start will recreate.

As it stands now, my issue of gdm3 not starting is resolved, the
haveged/entropy dependency is properly tracked by bug 1779827.

Leave it up to you whether you want to use this bug to improve the gdm3
upgrade process or close it as I documented how I fixed it

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-09 Thread Daniel van Vugt
Everyone else, please either:

  * Wait and watch here without commenting about your own experiences; or
  * Check out bug 1779827 to see if it helps you; or
  * If you are using an older Intel GPU then see bug 1727356; or
  * Log a new bug of your own.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-09 Thread Daniel van Vugt
njsf,

The next step is that we need to find out what/where things broke for
you.

First, please try downgrading gdm3 to the original 18.04 release
version:

https://launchpad.net/ubuntu/+source/gdm3/3.28.0-0ubuntu1/+build/14516225

If that doesn't solve it then please try some older kernels and find
which is the last version that works for you:

  http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D



** Bug watch removed: Debian Bug tracker #897572
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=897572

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-08 Thread Daniel van Vugt
If installing haveged doesn't help then that means everyone for whom it
did help is commenting on the wrong bug.

Please seen comment #19.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-08 Thread Daniel van Vugt
If installing haveged doesn't help the original reporter then that means
everyone for whom it did help is commenting on the wrong bug.

Please see comment #19.

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Re: [Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-08 Thread njsf
I have serious doubts it is the same issue.
Even with haveged installed I do not get gdm3 to start as I have stated several 
times already.

Please do not mark as a dup of that issue
On Jul 8, 2018, 22:40 -0400, Daniel van Vugt , 
wrote:
> OK, it sounds like plymouth is actually not related to this bug. In that
> case maybe we need to make this a duplicate of bug 1779827, which
> already has the kernel team involved.
>
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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-08 Thread Daniel van Vugt
OK, it sounds like plymouth is actually not related to this bug. In that
case maybe we need to make this a duplicate of bug 1779827, which
already has the kernel team involved.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-08 Thread Daniel van Vugt
gdm3 failing to start is part of the boot process. But I'm happy to
change it back.


** Summary changed:

- Boot process hangs indefinitely. Never finishes.
+ Ubuntu 18.04: gdm3 does not switch to graphics after update

** No longer affects: plymouth (Debian)

** No longer affects: plymouth (Ubuntu)

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Mark
Bug #1779827 appears to be a duplicate of this.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
** Also affects: plymouth (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: plymouth (Ubuntu)
   Status: New => Incomplete

** Also affects: gdm3 (Debian) via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=897572
   Importance: Unknown
   Status: Unknown

** Package changed: gdm3 (Debian) => plymouth (Debian)

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
Comment #34 indeed sounds like the problem.

Does installing this package fix the bug?;
https://packages.debian.org/sid/amd64/plymouth/download

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread njsf
Installed linux-headers-4.15.0-23-generic, now dkms runs properly.

Re-tested w/ 4.15.0-23-generic: gdm3 STILL does not come up, just bounces 
between black screen and the systemd progress messages.
So, going back to 4.15.0-23-generic does NOT solve the original issue.

I will continue w/ haveged and lightdm workaround, but the bug should
remain open.

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  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread monkeybrain2012
It affected lightdm as well. I run unity in 18.04 and use lighdm and the
boot time has gone from 4 secs to 4 minutes with 4.15.0-24. Brad's
workaround(#21) by installing haveged also works for lightdm.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread njsf
Processing triggers for linux-image-4.15.0-23-generic (4.15.0-23.25) ...
/etc/kernel/postinst.d/dkms:
Error! Your kernel headers for kernel 4.15.0-23-generic cannot be found.
Please install the linux-headers-4.15.0-23-generic package,
or use the --kernelsourcedir option to tell DKMS where it's located

root@postel:~# dpkg-query -s linux-headers-4.15.0-23
Package: linux-headers-4.15.0-23
Status: install ok installed
Priority: optional
Section: devel
Installed-Size: 75198

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread njsf
Going back to kernel 4.15.0-23 DOES NOT solve the gdm3 issue.
Hence the issue I reported is not solved.

Has for the _workaround_ of using lightdm in 4.15.0-23, yes, it boots faster 
HOWEVER, once I installed 4.15.0-23 the bcmwl DID NOT GET BUILT/INSTALLED which 
is also VERY bad, as _no WIFI_.
How then can a _regular_ user go back on kernels and use dkms ?
When providing such suggestions of previous kernels you need to make sure the 
dkms machinery will work!!!

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Mark
I agree with monkeybrain2012. The question that must then be raised is
how this breakage got into an Ubuntu software update for the masses
almost 2 months after it was known that a kernel change had broken gdm3
login, and after commits for the underlying issues had been created in
debian.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread monkeybrain2012
I think it might be this bug
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=897572

** Bug watch added: Debian Bug tracker #897572
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=897572

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Charles Burns
I can report a very similar experience after the update to kernel *-24.
The difference with my machine - a barebook Clevo packaged by Pioneer Computers 
Australia -
is that no keyboarding, usb mouse, or touchpad use reproducably reduces the 
hang time by plymouth to less than an average 90seconds.  The appearance of the 
cursor is fairly unpredictable within those times and at a rare few boots, 
CTRL+ALT F2 sent the system into a wobbly dance between the shell and plymouth.
Holding SHIFT during boot however does produce an acceptable and reproducable 
boot into Xorg time of about 15s.
Installing and enabling haveged in sysctrl has the same effect as holding the 
SHIFT key.
Booting into the *-23 kernel removes the hang and any of the wobbly moves 
between shell and plymouth.

As requested, after uninstalling haveged and booting to *-24 kernel, both using 
the SHIFT workaround and the longer playing with keyboard and pointers, issuing 
the command:
lsof | grep /dev/random

listed nothing.

Interesting that with sudo prefixed, the command complains:

'lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
  Output information may be incomplete.'
While it doesn't complain when the user themself issues the command.
Is this a bug too, or is it logical that the virtual gnome file system is 
indeed run per user
and not by root?

Neither forms of the command list anything.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
Or just:

  sudo lsof | grep /dev/random

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
This command should tell you the suspicious process ID(s):

sudo ls -l /proc/*/fd/* | grep /dev/random

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
Sorry, my mistake. Recent kernel changes may be the trigger of this
problem but would not be the root cause. If there is any process
blocking waiting for entropy then that's the real issue. Because they
are blocking waiting indefinitely for something that might theoretically
take forever. And that's bad software design.

I guess therefore we don't need to find out which kernel version made it
worse recently. We need to find out which process is actually blocking
waiting for entropy. If anyone can figure that out from the logs, or by
looking at open files of each process and seeing who has /dev/random
open then it would help a lot.

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  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Vasiliy Faronov
Can confirm this with GDM, without haveged, on a Lenovo Thinkpad S440:

- with kernel 4.15.0-24, GDM comes up after several minutes
- if I wiggle the touchpad, in a dozen seconds
- with kernel 4.15.0-23, immediately (no issue)

Strangely, I recall that when I first experienced this issue a couple
days ago, it seemed to happen with -23 at least once, causing me to fall
back further onto -20. May have been some error on my part.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
Also, after removing haveged, please try some older kernels:

  http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D

and try to find the two versions closest together where one works and
the other does not.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
In trying to identify the source of the problem we will need people to
temporarily remove haveged.

Next, please reproduce the issue and just leave the machine running. Do
the graphics eventually come up after a few minutes of waiting? Please
also repeat the test but wiggle the mouse/touchpad while waiting - does
that make it come up sooner?

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-05 Thread Daniel van Vugt
That's good news.

Although this bug is primarily owned by njsf so we'll wait to see what
he says. I want to make sure the original reporter is actually
experiencing the same problems as are being discussed now.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-04 Thread Mark
Daniel,

Installing haveged fixed my issue so I'm pretty sure its the same as
this one. Therefore I won't create a bug of my own.

Thanks for the help.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-04 Thread Daniel van Vugt
I find it disturbing we still have parts of the system that will block
start-up waiting for entropy. That's not a good user experience.

But maybe that's not the same problem as njsf is experiencing...

njsf: Do you find an older kernel fixes the problem for you too? Try one
of these:

  http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14.53/
  
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/14927311

You may also want to try:

  sudo apt install haveged

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-04 Thread Brad
I had to purge/reinstall lightdm for some reason (otherwise it was
flickering on/off), but now both GDM and LightDM are working as they
should on 4.15.0-24 with 'haveged' installed.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-04 Thread Brad
I believe I found a solution (or at least, a temporary workaround until
the potential bug is fixed). It seemed the bug was introduced in
4.15.0-24, as 4.15.0-23 works fine. I'm running an up-to-date 18.04
system on top of a Lenovo ThinkPad Yoga.

I would get a blank screen with both GDM and LightDM until I started
switching virtual terminals or typing my login info, at which point, it
would just start up seemingly at random. I set systemd to boot to multi-
user instead of graphical, and ran 'startx' and experienced the exact
same delay. I took a look at the startx script source and I traced it
down to a call to /usr/bin/mcookie which generates a magic number to be
used with xauth. According to the BUGS section in the mcookie manpage,
it states that mcookie assumes that "none of the randomness sources will
block." Sure enough, doing an strace on mcookie shows it hangs at a call
to getrandom(), which I'm assuming (my knowledge is a little fuzzy here)
means that entropy is too low for getrandom() to generate a number.
Moving the mouse around, typing a few characters or switching virtual
terminals, to my knowledge, all generate some entropy so that finally
when there's enough, getrandom() returns a number to mcookie, thus
allowing xorg to start.

TL;DR: I installed 'haveged' from the repo, which, as far as I
understand, adds to the entropy on boot, allowing xorg to start without
any delay.

My next step is to take a look at the changelog between kernel releases
and see what I can come up with as a potential cause, but I figured I
would post what I've found so that others may benefit in the meantime.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-04 Thread Brad
I should add that I've only tested this with 'startx' and GDM; I haven't
tried LightDM.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread Mark
Turns out lightdm is working after all, almost. If you wait patiently
when the black screen appears after the Ubuntu 5 dots boot screen,
possibly as much as 4 minutes, then the desktop eventually appears,
albeit somewhat messed up, with a message box asking you to "unlock the
login keychain" because it "was not unlocked when you logged in". After
entering the password, the desktop is redrawn correctly and everything
works. I'm still on kernel 4.15.0.24. It seems lightdm is just very slow
as noted by njsf.

I think, if you touch the mouse during this black screen period, the
login screen appears and, if you login you see a black screen for
several seconds then it logs you out again. A cycle you can't get out
of. That's what led to my comment that lightdm wasn't working for me.

Daniel, I will create a bug of my own. Thanks for the explanation.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread Daniel van Vugt
Mark,

gdm3, mutter, gnome-shell, and sometimes graphics drivers, all have
multiple bugs that can result in these same symptoms. So it is helpful
to not group bugs on the symptoms and track down the root cause of each
person's problem separately.

Otherwise when it comes to declaring a bug fixed, one person will agree
it is fixed and another will say it isn't. And the bug will forever be
in deadlock because the two people were actually experiencing different
bugs that need different fixes.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread Mark
> which solves the problem
I don't consider switching to lightdm to be a solution the problem. It's a 
workaround.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread Dimitrij Mijoski
I think I got hit by this bug too after the kernel update to
4.15.0-24-generic. Found this on askubuntu
https://askubuntu.com/questions/1051555/after-security-update-
to-4-15-0-24-generic-26-ubuntu-screen-shows-log-content which solves the
problem.

Switcing to another tty and then switching to lightdm solved.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread njsf
Another thing I noticed is that since the upgrade, all Xwayland sessions
crash on suspend, so they start anew. Only using Xorg now. Previously
all worked well with gdm3 in wayland.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread njsf
After todays update of grub and kernel to 4.15.0-25 it now takes ~4m to get to 
lightdm.
Never since my '94 486DX2 I had such poor boot-to-use times.

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread njsf
** Attachment added: "lspci.txt"
   
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1779476/+attachment/5159228/+files/lspci.txt

** Description changed:

  After update of gdm and kernel gdm3 no longer enables graphics.
  
  What happens:
  =
  With and without:
 WaylandEnable=false
  in /etc/gdm3/custom.conf
  gdm3 does not switch to graphics.
  In both cases I case the X process running (Xwayland or Xorg) but no vt has 
it.
  lightdm does work, but barely. It takes up to a minute to get to the login 
screen.
  
  What I expected to happen:
  ==
  gdm3 switching to graphics in ~20 after boot like pre-update.
  
  Release:
  
  $ lsb_release -rd
  Description:  Ubuntu 18.04 LTS
  Release:  18.04
  $ apt-cache policy kernel-common gdm3 lightdm xorg xwayland
  kernel-common:
Installed: (none)
Candidate: 13.018+nmu1
Version table:
   13.018+nmu1 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
  500 http://us.archive.ubuntu.com/ubuntu bionic/universe i386 Packages
  gdm3:
Installed: 3.28.2-0ubuntu1.3
Candidate: 3.28.2-0ubuntu1.3
Version table:
   *** 3.28.2-0ubuntu1.3 500
  500 http://us.archive.ubuntu.com/ubuntu bionic-proposed/main amd64 
Packages
  100 /var/lib/dpkg/status
   3.28.2-0ubuntu1.2 500
  500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 
Packages
   3.28.0-0ubuntu1 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  lightdm:
Installed: 1.26.0-0ubuntu1
Candidate: 1.26.0-0ubuntu1
Version table:
   *** 1.26.0-0ubuntu1 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
  100 /var/lib/dpkg/status
  xorg:
Installed: 1:7.7+19ubuntu7
Candidate: 1:7.7+19ubuntu7
Version table:
   *** 1:7.7+19ubuntu7 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status
  xwayland:
Installed: 2:1.19.6-1ubuntu4
Candidate: 2:1.19.6-1ubuntu4
Version table:
   *** 2:1.19.6-1ubuntu4 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status
  
  
  
  Attaching journalctl -b.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 18.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2016-08-27 (673 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  NonfreeKernelModules: wl
  Package: gdm3 3.28.2-0ubuntu1.3
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
  Tags:  bionic package-from-proposed
  Uname: Linux 4.15.0-24-generic x86_64
  UpgradeStatus: Upgraded to bionic on 2018-05-05 (58 days ago)
  UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  mtime.conffile..etc.gdm3.custom.conf: 2018-06-30T11:12:29.280424
+ --- 
+ ProblemType: Bug
+ ApportVersion: 2.20.9-0ubuntu7.2
+ Architecture: amd64
+ CurrentDesktop: ubuntu:GNOME
+ DistroRelease: Ubuntu 18.04
+ EcryptfsInUse: Yes
+ InstallationDate: Installed on 2016-08-27 (674 days ago)
+ InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
+ NonfreeKernelModules: wl
+ Package: linux
+ PackageArchitecture: amd64
+ ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
+ Tags:  bionic package-from-proposed
+ Uname: Linux 4.15.0-24-generic x86_64
+ UpgradeStatus: Upgraded to bionic on 2018-05-05 (58 days ago)
+ UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
+ _MarkForUpload: True
+ modified.conffile..etc.gdm3.custom.conf: [modified]
+ mtime.conffile..etc.gdm3.custom.conf: 2018-06-30T11:12:29.280424

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Title:
  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread Mark
Daniel,

Which part of what I wrote you do you another bug about? The fundamental
issue, gdm doesn't work, hence no login screen, after the latest
kernel/gdm update is the same as this bug, so why create a duplicate?

The previous issues were with past distribution versions so filing a bug
is not useful.

That leaves the lightdm problem. Is that it?

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Title:
  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-03 Thread Bristow
Same thing on my laptop Lenovo X240.

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  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-02 Thread Daniel van Vugt
Mark,

Please log a bug of your own so we can figure that out for you.

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  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-02 Thread Mark
I'm suffering this after this update too. It is the latest in a
depressingly long list of Ubuntu updates that have ed up my system.
You really *need* better testing of updates. If you can't improve the
testing then there needs to be a way to roll-back the system to before
an update.

Instead of the login screen I see the output of a log. Every item the
log is [ OK ] except for

[   .] A start job is running for Hold until boot process finishes
up (28s / no limit)[ OK ] Started Show Plymouth BootScreen.

The last entry is

[ OK ] Started GNOME DisplayManager. Dispatcher
Serviceupport.hanges.pp link was shut down.

lightdm is not working for me. Yes a login screen is displayed but after
login the screen goes black for quite some time then the login screen
reappears again. I am unable to use my system so this is a priority 1
bug for me.

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Title:
  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-02 Thread Daniel van Vugt
Thanks.

Unfortunately we are still missing some information.

Please run 'lspci -k' and send us the output. If you don't know how to
do that then just take a photo of the screen.

Please also run 'apport-collect 1779476' again. I have modified the bug
so hopefully it will give us more info the second time.

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu)
   Status: New => Incomplete

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Title:
  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-02 Thread njsf
apport information

** Tags added: apport-collected bionic package-from-proposed

** Description changed:

  After update of gdm and kernel gdm3 no longer enables graphics.
  
  What happens:
  =
  With and without:
 WaylandEnable=false
  in /etc/gdm3/custom.conf
  gdm3 does not switch to graphics.
  In both cases I case the X process running (Xwayland or Xorg) but no vt has 
it.
  lightdm does work, but barely. It takes up to a minute to get to the login 
screen.
  
  What I expected to happen:
  ==
  gdm3 switching to graphics in ~20 after boot like pre-update.
  
  Release:
  
  $ lsb_release -rd
  Description:  Ubuntu 18.04 LTS
  Release:  18.04
  $ apt-cache policy kernel-common gdm3 lightdm xorg xwayland
  kernel-common:
Installed: (none)
Candidate: 13.018+nmu1
Version table:
   13.018+nmu1 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
  500 http://us.archive.ubuntu.com/ubuntu bionic/universe i386 Packages
  gdm3:
Installed: 3.28.2-0ubuntu1.3
Candidate: 3.28.2-0ubuntu1.3
Version table:
   *** 3.28.2-0ubuntu1.3 500
  500 http://us.archive.ubuntu.com/ubuntu bionic-proposed/main amd64 
Packages
  100 /var/lib/dpkg/status
   3.28.2-0ubuntu1.2 500
  500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 
Packages
   3.28.0-0ubuntu1 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  lightdm:
Installed: 1.26.0-0ubuntu1
Candidate: 1.26.0-0ubuntu1
Version table:
   *** 1.26.0-0ubuntu1 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
  100 /var/lib/dpkg/status
  xorg:
Installed: 1:7.7+19ubuntu7
Candidate: 1:7.7+19ubuntu7
Version table:
   *** 1:7.7+19ubuntu7 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status
  xwayland:
Installed: 2:1.19.6-1ubuntu4
Candidate: 2:1.19.6-1ubuntu4
Version table:
   *** 2:1.19.6-1ubuntu4 500
  500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  100 /var/lib/dpkg/status
  
  
  
  Attaching journalctl -b.
+ --- 
+ ProblemType: Bug
+ ApportVersion: 2.20.9-0ubuntu7.2
+ Architecture: amd64
+ CurrentDesktop: ubuntu:GNOME
+ DistroRelease: Ubuntu 18.04
+ EcryptfsInUse: Yes
+ InstallationDate: Installed on 2016-08-27 (673 days ago)
+ InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
+ NonfreeKernelModules: wl
+ Package: gdm3 3.28.2-0ubuntu1.3
+ PackageArchitecture: amd64
+ ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
+ Tags:  bionic package-from-proposed
+ Uname: Linux 4.15.0-24-generic x86_64
+ UpgradeStatus: Upgraded to bionic on 2018-05-05 (58 days ago)
+ UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
+ _MarkForUpload: True
+ mtime.conffile..etc.gdm3.custom.conf: 2018-06-30T11:12:29.280424

** Attachment added: "Dependencies.txt"
   
https://bugs.launchpad.net/bugs/1779476/+attachment/5158867/+files/Dependencies.txt

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Title:
  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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[Bug 1779476] Re: Ubuntu 18.04: gdm3 does not switch to graphics after update

2018-07-01 Thread Daniel van Vugt
Please log into a VT and run 'apport-collect 1779476' on the machine.
That will send us more information that we need.

** Changed in: gdm3 (Ubuntu)
   Status: New => Incomplete

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Title:
  Ubuntu 18.04:  gdm3 does not switch to graphics after update

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