Troubles with a user: KDE presents "dump core" by several processes and X gives strange messages.

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Troubles with a user: KDE presents "dump core" by several processes and X gives strange messages.

Stakanov Schufter
I do not know if
a) this is x related
b) kde related
c) if I should raise a bug?

So, I am getting in journalctl -r the following for the 1002 user (called
entropia).

-- Logs begin at gio 2017-07-27 16:58:32 CEST, end at gio 2017-08-10 10:44:38
CEST. --                                                                                            
ago 10 10:44:38 roadrunner org.kde.kwalletd5[3836]: Migration agent stop.                                                                                                          
ago 10 10:44:38 roadrunner org.kde.kwalletd5[3836]: old wallets were already
migrated                                                                                              
ago 10 10:44:38 roadrunner org.kde.kwalletd5[3836]: Migration agent
starting...                                                                                                    
ago 10 10:44:37 roadrunner org.kde.kwalletd5[3836]: The key was found.                                                                                                            
ago 10 10:44:37 roadrunner org.kde.kwalletd5[3836]: This wallet was encrypted
using GPG key with ID  "3444252C6A7D1687"                                                            
ago 10 10:44:28 roadrunner org.kde.kwalletd5[3836]: Wallet new enough, using
new hash                                                                                              
ago 10 10:44:28 roadrunner org.kde.kwalletd5[3836]: Setting useNewHash to true                                                                                                    
ago 10 10:44:27 roadrunner org.kde.kwalletd5[3836]: openAsync for  ":1.51"                                                                                                        
ago 10 10:44:27 roadrunner org.kde.kwalletd5[3836]: kwalletd5 started                                                                                                              
ago 10 10:44:23 roadrunner obexd[4016]: OBEX daemon 5.41                                                                                                                          
ago 10 10:44:21 roadrunner checkproc[3825]: checkproc: can not get session id
for process 3617!                                                                                    
ago 10 10:44:21 roadrunner sddm-helper[3784]: Adding cookie to "/home/
entropia/.Xauthority"                                                                                        
ago 10 10:44:21 roadrunner systemd[3777]: Startup finished in 21ms.                                                                                                                
ago 10 10:44:21 roadrunner systemd[3777]: Reached target Default.                                                                                                                  
ago 10 10:44:21 roadrunner systemd[3777]: Reached target Basic System.                                                                                                            
ago 10 10:44:21 roadrunner systemd[3777]: Reached target Paths.                                                                                                                    
ago 10 10:44:21 roadrunner systemd[3777]: Reached target Timers.                                                                                                                  
ago 10 10:44:21 roadrunner systemd[3777]: Reached target Sockets.                                                                                                                  
ago 10 10:44:08 roadrunner systemd[3560]: pam_unix(systemd-user:session):
session closed for user entropia                                                                        
ago 10 10:44:08 roadrunner systemd[3558]: Received SIGRTMIN+24 from PID 3721
(kill).
ago 10 10:44:08 roadrunner systemd[3558]: Stopped target Timers.
ago 10 10:44:08 roadrunner systemd[3558]: Stopped target Sockets.
ago 10 10:44:08 roadrunner systemd[3558]: Stopped target Paths.
ago 10 10:44:08 roadrunner systemd[3558]: Stopped target Basic System.
ago 10 10:44:08 roadrunner systemd[3558]: Stopped target Default.
ago 10 10:44:08 roadrunner systemd[3558]: Starting Exit the Session...
ago 10 10:44:08 roadrunner systemd[3558]: Reached target Shutdown.
ago 10 10:44:06 roadrunner org.kde.KScreen[3616]:       after 196 requests
(196 known processed) with 0 events remaining.
ago 10 10:44:06 roadrunner org.kde.KScreen[3616]: XIO:  fatal IO error 3
(Nessun processo corrisponde) on X server ":2"
ago 10 10:44:06 roadrunner org.kde.KScreen[3616]: The X11 connection broke: I/
O error (code 1)
ago 10 10:44:05 roadrunner org.kde.kglobalaccel[3616]: The X11 connection
broke (error 1). Did the X11 server die?
ago 10 10:44:05 roadrunner org.kde.KScreen[3616]: Qt: couldn't get core
keyboard device info
ago 10 10:44:05 roadrunner org.kde.KScreen[3616]: Qt: failed to retrieve the
virtual modifier map from XKB
ago 10 10:44:04 roadrunner checkproc[3605]: checkproc: can not get session id
for process 3843!
ago 10 10:44:04 roadrunner sddm-helper[3564]: Adding cookie to "/home/
entropia/.Xauthority"


A part of these problems with this strange process 3843 (how can I find whose
process was this, I get the complain only after that the process is gone).
ps u 3617
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
entropia@roadrunner:~> sudo ps u 3617
[sudo] password di root:
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND

Any suggestions to find out?

I also get the following for this user:
Process 4639 (kontact) of user 1002 dumped core.
 Process 3913 (kded5) of user 1002 dumped core.
ago 09 22:17:02 roadrunner systemd-coredump[17629]: Process 17620 (drkonqi) of
user 1002 dumped core.
ago 09 22:17:02 roadrunner systemd-coredump[17632]: Process 17628 (klauncher)
of user 1002 dumped core.


Kded5 and launcher give often these coredumps. When this user is open, the
temperature of the system rises sometimes from a normal 50-70 C to 99 to 100 C
with occasional emergency shutdown.

The system also crashes with all users to a black screen and subsequent
shutdown in an irregular way. What is seen as a relation is:
suspend to ram or powersafe and restart triggers these crashes especially if
entropia has kontact running. Although it is a quite violent crash (all users
gone in one second) no apparent failure is commented in journalctl when it
happens (as it seems. But maybe it is the coredump?).

Again a typical expert of journalctl when it happens:

ago 06 22:43:09 roadrunner systemd-coredump[12084]: Process 3005 (kded5) of
user 1002 dumped core.
ago 06 22:42:59 roadrunner systemd-coredump[12093]: Process 12085 (klauncher)
of user 1002 dumped core.
ago 06 22:42:59 roadrunner systemd-coredump[12083]: Process 12081 (drkonqi) of
user 1002 dumped core.
ago 06 22:42:56 roadrunner org.kde.kuiserver[2964]: The X11 connection broke
(error 1). Did the X11 server die?
ago 06 22:42:56 roadrunner org.kde.kwalletd5[2964]: The X11 connection broke
(error 1). Did the X11 server die?
ago 06 22:42:56 roadrunner org.gtk.vfs.Daemon[2964]: A connection to the bus
can't be made
ago 06 22:42:56 roadrunner org.gtk.vfs.Daemon[2964]: A connection to the bus
can't be made
ago 06 22:42:56 roadrunner org.gtk.vfs.Daemon[2964]: A connection to the bus
can't be made
ago 06 22:42:56 roadrunner org.kde.kglobalaccel[2964]: The X11 connection
broke (error 1). Did the X11 server die?
ago 06 22:42:56 roadrunner org.kde.KScreen[2964]: The X11 connection broke
(error 1). Did the X11 server die?
ago 06 22:42:56 roadrunner org.kde.kdeconnect[2964]: The X11 connection broke
(error 1). Did the X11 server die?
ago 06 22:42:56 roadrunner org.gtk.vfs.Daemon[2964]: A connection to the bus
can't be made
ago 06 22:42:53 roadrunner org.kde.kdeconnect[2964]: kdeconnect.core:
Broadcasting identity packet
ago 06 22:42:53 roadrunner org.kde.kdeconnect[2964]: kdeconnect.core:
KdeConnect daemon started
ago 06 22:42:53 roadrunner org.kde.kdeconnect[2964]: kdeconnect.core: onStart
ago 06 22:42:53 roadrunner org.kde.kdeconnect[2964]: kdeconnect.core:
KdeConnect daemon starting
ago 06 22:42:52 roadrunner org.kde.kwalletd5[2964]: slotServiceOwnerChanged  
":1.58" ,  ":1.58" ,  ""
ago 06 22:42:52 roadrunner org.kde.kwalletd5[2964]: slotServiceOwnerChanged  
":1.57" ,  ":1.57" ,  ""


Open to any hint or suggestion to get the system stable again.


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Re: Troubles with a user: KDE presents "dump core" by several processes and X gives strange messages.

Daniele
Il 10/08/2017 11:00, stakanov ha scritto:
HI,
>
> Kded5 and launcher give often these coredumps. When this user is open, the
> temperature of the system rises sometimes from a normal 50-70 C to 99 to 100 C
> with occasional emergency shutdown.

First of all, I'll try to fix this. If the system is doing nothing,
50-70 is too high. So, it seems that your system overheat and become
unstable.
Maybe you need to remove some dust ? Which kind of system is this ?

Bye,
Daniele.

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Re: Troubles with a user: KDE presents "dump core" by several processes and X gives strange messages.

Anton Aylward-2
On 10/08/17 05:25 AM, Daniele wrote:
> Maybe you need to remove some dust ? Which kind of system is this ?

or cat hair :-)

I had a laptop that consistently overheated and shut down.
It didn't matter if I was using it on the bed or on the couch, but for some
reason if I used it on the desk or a table it didn't overheat.

Eventually I figured it out, which reflects more on my stupidity than anything else.

--
When I am working on a problem I never think about beauty. I only think about
how to solve the problem. But when I have finished, if the solution is not
beautiful, I know it is wrong.
    -- Buckminster Fuller
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Re: Troubles with a user: KDE presents "dump core" by several processes and X gives strange messages.

Stakanov Schufter
In reply to this post by Daniele
In data giovedì 10 agosto 2017 11:25:43 CEST, Daniele ha scritto:

> Il 10/08/2017 11:00, stakanov ha scritto:
> HI,
>
> > Kded5 and launcher give often these coredumps. When this user is open, the
> > temperature of the system rises sometimes from a normal 50-70 C to 99 to
> > 100 C with occasional emergency shutdown.
>
> First of all, I'll try to fix this. If the system is doing nothing,
> 50-70 is too high. So, it seems that your system overheat and become
> unstable.
> Maybe you need to remove some dust ? Which kind of system is this ?
>
> Bye,
> Daniele.
Well, the problem appears only with this user and with kmail open.
The system is a Lenovo X201 (which is at times subject to fan problems, but I
did change the fan recently (2 month) and it got a new fan and copper body, as
well as a good termal paste.
As it seams the temperature is result and not origin of the problem. The
core-2-duo has two cpu and multithreading. When it overheats that means often
that a process crashed and pulls one CPU to 100% load. Then it overheats and
then as a result you have maybe a shutdown. The shut for heat is not related
to the shutdown I am experiencing since the latest kernel / mysql update.
Since then it got really nasty. The system will run error free without kmail
open in this user or without that user open. But it will crash always if the
powersafe feature was activated and the system returns to normal from suspend.
Then it will run for some times and then suddenly go into the nirvana.



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Re: Troubles with a user: KDE presents "dump core" by several processes and X gives strange messages.

Daniele
Il 10/08/2017 15:17, stakanov ha scritto:

> Well, the problem appears only with this user and with kmail open.
> The system is a Lenovo X201 (which is at times subject to fan problems, but I
> did change the fan recently (2 month) and it got a new fan and copper body, as
> well as a good termal paste.
> As it seams the temperature is result and not origin of the problem. The
> core-2-duo has two cpu and multithreading. When it overheats that means often
> that a process crashed and pulls one CPU to 100% load. Then it overheats and
> then as a result you have maybe a shutdown. The shut for heat is not related
> to the shutdown I am experiencing since the latest kernel / mysql update.
> Since then it got really nasty. The system will run error free without kmail
> open in this user or without that user open. But it will crash always if the
> powersafe feature was activated and the system returns to normal from suspend.
> Then it will run for some times and then suddenly go into the nirvana.
>
>
>
OK, it's a notebook.. but it should not overheats in this way..
Anyway, open ksysguard and look who is eating your cpu.
Bye,
Daniele.
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Re: Troubles with a user: KDE presents "dump core" by several processes and X gives strange messages.

Stakanov Schufter
In data venerdì 11 agosto 2017 10:43:05 CEST, Daniele ha scritto:

> Il 10/08/2017 15:17, stakanov ha scritto:
> > Well, the problem appears only with this user and with kmail open.
> > The system is a Lenovo X201 (which is at times subject to fan problems,
> > but I did change the fan recently (2 month) and it got a new fan and
> > copper body, as well as a good termal paste.
> > As it seams the temperature is result and not origin of the problem. The
> > core-2-duo has two cpu and multithreading. When it overheats that means
> > often that a process crashed and pulls one CPU to 100% load. Then it
> > overheats and then as a result you have maybe a shutdown. The shut for
> > heat is not related to the shutdown I am experiencing since the latest
> > kernel / mysql update. Since then it got really nasty. The system will
> > run error free without kmail open in this user or without that user open.
> > But it will crash always if the powersafe feature was activated and the
> > system returns to normal from suspend. Then it will run for some times
> > and then suddenly go into the nirvana.
> OK, it's a notebook.. but it should not overheats in this way..
> Anyway, open ksysguard and look who is eating your cpu.
> Bye,
> Daniele.

akonadiserver (15-25 % of CPU) and msql (up to 20% of CPU. The rest are
various processes many related to kontact/akonadi/kmail
This corresponds to the core dumps of kded that are results of the crashes and
bring down all users at once. The indexes always take damage and you need to
clear cache of several folders and subfolders.



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