I've just experienced the same story as Mr. Bruno Nova (brunonova). I
spent a whole day to shoot the trouble and identified that it's about
.Xauthority.
I tracked the /var/log/lightdm/lightdm.log and looked into my
.Xauthority. I found it contained two entries:
snow/unix:1 MIT-MAGIC-COOKIE-1
This bug was fixed in the package lightdm - 1.6.0-0ubuntu4
---
lightdm (1.6.0-0ubuntu4) raring; urgency=low
* debian/patches/09_corrupt_xauth.patch:
- Handle corrupt X authority files correctly (LP: #1234400)
-- Robert Ancell robert.anc...@canonical.com Tue, 08 Oct 2013
** Tags removed: verification-needed
** Tags added: verification-done
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https://bugs.launchpad.net/bugs/1234400
Title:
Cannot log in users if their Xauthority file is
I've just faced this problem (removing .Xauthority solved it).
I've tested again with an invalid .Xauthority, and the login failed.
I then installed the proposed lightdm version (1.6.0-0ubuntu4) and restarted
the service.
Tried to login again, and it seemed to work!
It's probably better for
This seems to happen every time I install a raring update or upgrade,
but I haven't updated often enough to swear to this. I can tell you
that I had this problem twice, which is exactly 2 times more than I
should have.
Basically, I get the login greeter screen, type in my password, it goes
away
Hello Emmanuel, or anyone else affected,
Accepted lightdm into raring-proposed. The package will build now and be
available at http://launchpad.net/ubuntu/+source/lightdm/1.6.0-0ubuntu4
in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
** Branch linked: lp:ubuntu/raring-proposed/lightdm
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https://bugs.launchpad.net/bugs/1234400
Title:
Cannot log in users if their Xauthority file is corrupt.
Status in
thanks.
Regarding lightdm itself, do you intend to also release a newer package
for the 1.6 stable branch as well ? The current bug is in fact a 1.6
regression there as well (and this is how I noticed it). It's a bit
counter-intuitive that the fix for a regression found in the stable
branch is to
This is already fixed in the 1.6 branch, and it is a good candidate for
a SRU
** Also affects: lightdm/1.6
Importance: Undecided
Status: New
** Also affects: lightdm/1.7
Importance: Undecided
Status: New
** Changed in: lightdm/1.6
Milestone: None = 1.7.18
** Changed in:
** Description changed:
- Please backport the following patch to the 1.6 branch:
+ To reproduce:
+ 1. Stop lightdm
+ $ sudo stop lightdm
+ 2. Create an invalid X authority file in the home directory of a user, e.g.
from a text VT:
+ $ cp /etc/hostname ~/.Xauthority
+ 3. Start lightdm
+ $ sudo
** Description changed:
+ Impact:
+ If a users X authority file contains invalid data the user will not be able
to log in with LightDM until the file is corrected or removed. The reason for
the corruption has not been identified.
+
To reproduce:
1. Stop lightdm
$ sudo stop lightdm
2.
** Branch linked: lp:ubuntu/saucy-proposed/lightdm
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https://bugs.launchpad.net/bugs/1234400
Title:
Cannot log in users if their Xauthority file is corrupt.
Status in
This bug was fixed in the package lightdm - 1.7.18-0ubuntu1
---
lightdm (1.7.18-0ubuntu1) saucy; urgency=low
* New upstream release:
- Set session environment variables for guest sessions (1.7 regression).
(LP: #1214504)
- Don't fail writing X authority if reading it
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