X: Authorization required, but no authorization protocol specified
Markus Hoenicka
markus.hoenicka@mhoenicka.de
Wed Aug 12 12:47:00 GMT 2015
At 2015-08-12 14:18, Ken Brown was heard to say:
> On 8/12/2015 2:22 AM, Markus Hoenicka wrote:
>> At 2015-08-07 11:26, Jon TURNEY was heard to say:
>>> On 06/08/2015 17:56, Markus Hoenicka wrote:
>>>> I've upgraded my setup yesterday and ran into a problem running the
>>>> X
>>>> server. X ran just fine before the upgrade, just like any X client I
>>>> threw at it. I'm aware that some defaults have changed in the couple
>>>> of
>>>> months since I upgraded, and I hope I've done everything the FAQ
>>>> recommends to accommodate these changes. However, no joy.
>>>>
>>>> Starting the X server now is noticeably slower, regardless of how I
>>>> start it (Windows start menu, startx, or my hitherto preferred
>>>> method
>>>> startxwin). Biggest problem though is that local X clients cannot
>>>> connect. The server output is like this:
>>>>
>>>> $ startxwin /usr/bin/xterm
>>>> xauth: file /home/markus.hoenicka/.Xauthority does not exist
>>>> xauth: file /home/markus.hoenicka/.Xauthority does not exist
>>>> xauth: file /home/markus.hoenicka/.Xauthority does not exist
>>>> xauth: file /home/markus.hoenicka/.Xauthority does not exist
>>>
>>> startxwin is just a shell script (based on the standard startx),
>>> which
>>> invokes xauth to add an authorization cookie to ~/Xauthority (which
>>> is
>>> also passed to the server using the -auth option)
>>>
>>>> The file ~/.Xauthority is created during startup, and it is empty
>>>> after the server shuts down. It does not make any difference if I
>>>> remove the empty file before restarting the X server.
>>>
>>> It should have some (binary) content while the server is running, but
>>> that seems to be failing to happen, for some reason.
>>>
>>>> As a workaround I can start XWin manually like this:
>>>> /usr/bin/XWin :0 -multiwindow
>>>
>>> This works, of course, because this doesn't use -auth.
>>>
>>>> However, I suppose the default behaviour of startx and startxwin was
>>>> not
>>>> intended to perform like this. Did I miss something obvious?
>>>
>>> Indeed.
>>>
>>> Is there anything unusual about your home directory?
>>>
>>> You might try modifying startxwin to remove the -q from xauth -q to
>>> see if that reveals a bit more information.
>>
>> I finally got round to run this suggested test too. The first time I
>> try
>> to start X I get the following output:
>>
>> $ XAUTHORITY="" startxwin /usr/bin/emacs
>> Using authority file /home/<username>/.serverauth.1076
>> Writing authority file /home/<username>/.serverauth.1076
>> Using authority file /home/<username>/.Xauthority
>> Writing authority file /home/<username>/.Xauthority
>> xauth: file /home/<username>/.Xauthority does not exist
>> xauth: file /home/<username>/.Xauthority does not exist
>> Using authority file /home/<username>/.Xauthority
>> Writing authority file /home/<username>/.Xauthority
>>
>> Welcome to the XWin X Server
>> Vendor: The Cygwin/X Project
>> Release: 1.17.2.0
>> OS: CYGWIN_NT-6.1 SBHC123 2.2.0(0.289/5/3) 2015-08-03 12:51 x86_64
>> OS: Windows 7 Service Pack 1 [Windows NT 6.1 build 7601] (Win64)
>> Package: version 1.17.2-1 built 2015-07-09
>>
>> XWin was started with the following command line:
>>
>> /usr/bin/XWin :0 -multiwindow -auth
>> /home/<username>/.serverauth.1076
>>
>> [...nothing interesting here...]
>>
>> cat: /home/<username>/.serverauth.1076: No such file or directory
>> winProcEstablishConnection - winInitClipboard returned.
>> winClipboardThreadProc - DISPLAY=:0.0
>> OS maintains clipboard viewer chain: yes
>> winInitMultiWindowWM - XOpenDisplay () returned and successfully
>> opened
>> the display.
>> winMultiWindowXMsgProc - XOpenDisplay () returned and successfully
>> opened the display.
>> winClipboardProc - XOpenDisplay () returned and successfully opened
>> the
>> display.
>> winMultiWindowXMsgProcErrorHandler - ERROR: BadMatch (invalid
>> parameter
>> attributes)
>>
>> ** (emacs:2996): WARNING **: Error retrieving accessibility bus
>> address:
>> org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.a11y.Bus
>> exited with status 1
>> Authorization required, but no authorization protocol specified
>> Unable to init server: Could not connect: Abstract UNIX domain socket
>> addresses not supported on this system
>>
>> (emacs:2996): Gtk-WARNING **: cannot open display: :0
>> xinit: connection to X server lost
>>
>> [...normal shutdown sequence...]
>>
>> Emacs does not manage to open an X window during this process. I tried
>> to spot .server* in a second MinTTY console during startup, but no
>> such
>> file would show up although xauth claims to have written the
>> .serverauth.XXXX file.
>>
>> Now if I run exactly the same startxwin command a second time, Emacs
>> *does* start up in an X window, although the startxwin output also
>> claims this:
>>
>> cat: /home/<username>/.serverauth.2212: No such file or directory
>>
>> This time, the second MinTTY console confirms the presence of that
>> file:
>> $ ls -al .server*
>> -rw-rwx---+ 1 <username> <group> 52 Aug 12 08:03 .serverauth.2212
>
> Could the problem be related to the group permissions, possibly due to
> the ACL on your home directory? Here's what I see on my system:
>
> $ ll .serverauth.*
> -rw------- 1 <username> <group> 156 2015-08-10 15:44 .serverauth.5968
>
I don't think so. If I use my workaround, the permissions are all the
same:
$ ls -al ~/.serverauth.4564
-rw-rwx---+ 1 <username> <group> 52 Aug 12 08:15
/home/markus.hoenicka/.serverauth.4564
regards,
Markus
--
Markus Hoenicka
http://www.mhoenicka.de
AQ score 38
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