Request for explanation of error message

[Bret Busby]

On 29/07/2019, Bret Busby <bret.busby at gmail.com> wrote:
> 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 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 at bret-MD34045-2521:~$ sudo rm  /var/log/lightdm/x-0.log
bret at bret-MD34045-2521:~$ sudo ls -l /var/log/lightdm/x-0.log
ls: cannot access '/var/log/lightdm/x-0.log': No such file or directory
'

-- 
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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