Request for explanation of error message

[Bret Busby]

On 29/07/2019, Bret Busby <bret.busby at gmail.com> wrote:
> On 29/07/2019, Paul Smith <paul at mad-scientist.net> wrote:
>> On Mon, 2019-07-29 at 04:14 +0800, Bret Busby wrote:
>>> > The first one is simple enough.  It might have been because your disk
>>> > is full, in which case it's a symptom not a cause.  What are the
>>> > permissions on these files?  Run this command:
>>> >
>>> >    ls -ald /tmp /tmp/.tX0-lock
>>> >
>>> > and let us know the results.
>>>
>>> "
>>> bret at bret-MD34045-2521:~$ ls -ald /tmp /tmp/.tX0-lock
>>> ls: cannot access '/tmp/.tX0-lock': No such file or directory
>>> drwxrwxrwt 19 root root 4096 Jul 29 03:57 /tmp
>>
>> This looks correct.  That most likely means that this error is a
>> symptom of your disk being full, and not the cause of the problem.
>>
>> After you have cleared out space on your disk, please keep an eye on
>> the size of the /var/log/lightdm/x-0.log file.  If it continues to
>> grow, send along the last 50 or so lines of output from that file and
>> we'll see what it has to say.
>>
>
> I have posted a message, that is awaiting moderation - a few kB too large.
>
> If you look at this output;
>
> "
> bret at bret-MD34045-2521:~$ sudo head -25 /var/log/lightdm/x-0.log
>
> X.Org X Server 1.19.6
> Release Date: 2017-12-20
> X Protocol Version 11, Revision 0
> Build Operating System: Linux 4.4.0-148-generic x86_64 Ubuntu
> Current Operating System: Linux bret-MD34045-2521 4.15.0-55-generic
> #60-Ubuntu SMP Tue Jul 2 18:22:20 UTC 2019 x86_64
> Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-55-generic
> root=UUID=1d3945d6-b596-4d57-8151-d2eef48a56b8 ro quiet splash
> vt.handoff=1
> Build Date: 03 June 2019  08:10:35AM
> xorg-server 2:1.19.6-1ubuntu4.3 (For technical support please see
> http://www.ubuntu.com/support)
> Current version of pixman: 0.34.0
> 	Before reporting problems, check http://wiki.x.org
> 	to make sure that you have the latest version.
> Markers: (--) probed, (**) from config file, (==) default setting,
> 	(++) from command line, (!!) notice, (II) informational,
> 	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> (==) Log file: "/var/log/Xorg.0.log", Time: Mon Jul 29 03:29:50 2019
> (==) Using system config directory "/usr/share/X11/xorg.conf.d"
> xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)
> _XSERVTransSocketUNIXAccept: accept() failed
> _XSERVTransSocketUNIXAccept: accept() failed
> _XSERVTransSocketUNIXAccept: accept() failed
> _XSERVTransSocketUNIXAccept: accept() failed
> _XSERVTransSocketUNIXAccept: accept() failed
> _XSERVTransSocketUNIXAccept: accept() failed
> _XSERVTransSocketUNIXAccept: accept() failed
> "
>
> that last line is an endless loop.
>
>> Also, you did show you're using an 18.04.2 based system, but if you're
>> using lightdm it won't be out-of-the-box vanilla Ubuntu.  I didn't see
>> the output of the "lsb_release -a" command which would tell us (I
>> think) if you're using a spin or similar.
>>
>> What distribution did you actually install here?
>>
>
> I had posted the output, in response to a previous post by Ralf;
>
> "
> bret at bret-MD34045-2521:~$ lsb_release -a
> No LSB modules are available.
> Distributor ID: Ubuntu
> Description:    Ubuntu 18.04.2 LTS
> Release:        18.04
> Codename:       bionic
> "
>
> It is UbuntuMATE - I believe that had posted that way much earlier in
> the thread.
>
> Also,
>
> "
> "
> uname -v
> #60-Ubuntu SMP Tue Jul 2 18:22:20 UTC 2019
> bret at bret-MD34045-2521:~$ uname -a
> Linux bret-MD34045-2521 4.15.0-55-generic #60-Ubuntu SMP Tue Jul 2
> 18:22:20 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
> "
> "
>
> Now, I need to see what I can do before the log file crashes my system
> again.
>
> I think that a defect exists in the creating of the log -file -
> whatever is inputting to the log file should not be in an endless
> loop. It ism destructive.
>

"
bret at bret-MD34045-2521:~$ sudo ls -l /var/log/lightdm/x-0.log
-rw------- 1 root root 130020644 Jul 29 04:53 /var/log/lightdm/x-0.log
"


-- 
Bret Busby
Armadale
West Australia
..............

"So once you do know what the question actually is,
 you'll know what the answer means."
- Deep Thought,
 Chapter 28 of Book 1 of
 "The Hitchhiker's Guide to the Galaxy:
 A Trilogy In Four Parts",
 written by Douglas Adams,
 published by Pan Books, 1992

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