Update to: Increasingly frequent problem with: "Unexpected system error"; kernel-core; 4.16.15-300.fc28.x86_64; cannot be reported - related to Chrome and probably YouTube

[Philip Rhoades]

People,

As an update to this post:

   
https://lists.fedoraproject.org/archives/list/[e-mail].o...

- it looks like it might be a hardware problem after all.  After 
updating to:

   kernel-4.18.13-200.fc28.x86_64

and then spending about a day moving my Default Chrome user to Vivaldi, 
and the system looking like it might now be stable - the system just 
crashed again - the symptoms: All the Vivaldi windows disappear (just 
like what happened with Chrome previously) and then while trying to shut 
down cleanly, the whole system becomes unresponsive . .

Here is what was in /var/log/messages:


Oct 19 12:19:39 phil audit[4707]: ANOM_ABEND auid=1000 uid=1000 gid=1000 
ses=1 pid=4707 comm="vivaldi-bin" exe="/opt/vivaldi/vivaldi-bin"
sig=11 
res=1
Oct 19 12:19:39 phil kernel: vivaldi-bin[4707]: segfault at 8 ip 
000055f1d8310d03 sp 00007ffff57986d8 error 4 in 
vivaldi-bin[55f1d7f1a000+6427000]
Oct 19 12:19:39 phil kernel: Code: 73 e5 01 4c 89 e7 e8 ac 59 e7 01 48 
83 c4 20 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc 
cc cc cc 48 8b 3f <48> 8b 47 08 48 8d 0d 72 3a d1 ff 48 89 c
Oct 19 12:19:39 phil audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 
ses=4294967295 msg='unit=systemd-coredump@3-1044-0 comm="systemd" 
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=
Oct 19 12:19:39 phil systemd[1]: Started Process Core Dump (PID 1044/UID 
0).
Oct 19 12:19:41 phil systemd-coredump[1045]: Process 4707 (vivaldi-bin) 
of user 1000 dumped core.#012#012Stack trace of thread 4707:#012#0  
0x000055f1d8310d03 n/a (vivaldi-bin)#012#1  0x000055f1da188a97
Oct 19 12:19:41 phil audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 
ses=4294967295 msg='unit=systemd-coredump@3-1044-0 comm="systemd" 
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=s
Oct 19 12:19:43 phil abrtd[762]: Size of '/var/spool/abrt' >= 5000 MB 
(MaxCrashReportsSize), deleting old directory 
'ccpp-2018-10-19-01:04:24.717619-18279'
Oct 19 12:19:45 phil abrt-server[1138]: Package 'vivaldi-stable' isn't 
signed with proper key
Oct 19 12:19:45 phil abrt-server[1138]: 'post-create' on 
'/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707' exited with 1
Oct 19 12:19:45 phil abrt-server[1138]: Deleting problem directory 
'/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707'
Oct 19 12:19:45 phil abrt-server[1138]: Package 'vivaldi-stable' isn't 
signed with proper key
Oct 19 12:19:45 phil abrt-server[1138]: 'post-create' on 
'/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707' exited with 1
Oct 19 12:19:45 phil abrt-server[1138]: Deleting problem directory 
'/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707'


I am thinking it is maybe a RAM problem? - Chrome, and now Vivaldi are 
the only things I use on the workstation (as opposed to the Fedora 
server) that use nearly all of the memory.

I use FireFox for my webmail stuff and prefer to keep that separate from 
the general browsing but it looks like the problem is not specific to a 
particular browser anyway . .

Suggestions about how to proceed with debugging?

Thanks,

Phil.
-- 
Philip Rhoades

PO Box 896
Cowra  NSW  2794
Australia
E-mail:  phil(a)pricom.com.au

[Rick Stevens]

On 10/18/18 6:45 PM, Philip Rhoades wrote:
>  People,
>  
>  As an update to this post:
>  
>   
>
> https://lists.fedoraproject.org/archives/list/[e-mail].o...
>  
>  
>  - it looks like it might be a hardware problem after all.  After
>  updating to:
>  
>    kernel-4.18.13-200.fc28.x86_64
>  
>  and then spending about a day moving my Default Chrome user to Vivaldi,
>  and the system looking like it might now be stable - the system just
>  crashed again - the symptoms: All the Vivaldi windows disappear (just
>  like what happened with Chrome previously) and then while trying to shut
>  down cleanly, the whole system becomes unresponsive . .
>  
>  Here is what was in /var/log/messages:
>  
>  
>  Oct 19 12:19:39 phil audit[4707]: ANOM_ABEND auid=1000 uid=1000 gid=1000
>  ses=1 pid=4707 comm="vivaldi-bin" exe="/opt/vivaldi/vivaldi-bin"
> sig=11
>  res=1
>  Oct 19 12:19:39 phil kernel: vivaldi-bin[4707]: segfault at 8 ip
>  000055f1d8310d03 sp 00007ffff57986d8 error 4 in
>  vivaldi-bin[55f1d7f1a000+6427000]
>  Oct 19 12:19:39 phil kernel: Code: 73 e5 01 4c 89 e7 e8 ac 59 e7 01 48
>  83 c4 20 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc
>  cc cc cc 48 8b 3f <48> 8b 47 08 48 8d 0d 72 3a d1 ff 48 89 c
>  Oct 19 12:19:39 phil audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295
>  ses=4294967295 msg='unit=systemd-coredump@3-1044-0 comm="systemd"
>  exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=
>  Oct 19 12:19:39 phil systemd[1]: Started Process Core Dump (PID 1044/UID
>  0).
>  Oct 19 12:19:41 phil systemd-coredump[1045]: Process 4707 (vivaldi-bin)
>  of user 1000 dumped core.#012#012Stack trace of thread 4707:#012#0 
>  0x000055f1d8310d03 n/a (vivaldi-bin)#012#1  0x000055f1da188a97
>  Oct 19 12:19:41 phil audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295
>  ses=4294967295 msg='unit=systemd-coredump@3-1044-0 comm="systemd"
>  exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=s
>  Oct 19 12:19:43 phil abrtd[762]: Size of '/var/spool/abrt' >= 5000 MB
>  (MaxCrashReportsSize), deleting old directory
>  'ccpp-2018-10-19-01:04:24.717619-18279'
>  Oct 19 12:19:45 phil abrt-server[1138]: Package 'vivaldi-stable' isn't
>  signed with proper key
>  Oct 19 12:19:45 phil abrt-server[1138]: 'post-create' on
>  '/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707' exited with 1
>  Oct 19 12:19:45 phil abrt-server[1138]: Deleting problem directory
>  '/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707'
>  Oct 19 12:19:45 phil abrt-server[1138]: Package 'vivaldi-stable' isn't
>  signed with proper key
>  Oct 19 12:19:45 phil abrt-server[1138]: 'post-create' on
>  '/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707' exited with 1
>  Oct 19 12:19:45 phil abrt-server[1138]: Deleting problem directory
>  '/var/spool/abrt/ccpp-2018-10-19-12:19:41.967676-4707'
>  
>  
>  I am thinking it is maybe a RAM problem? - Chrome, and now Vivaldi are
>  the only things I use on the workstation (as opposed to the Fedora
>  server) that use nearly all of the memory.
>  
>  I use FireFox for my webmail stuff and prefer to keep that separate from
>  the general browsing but it looks like the problem is not specific to a
>  particular browser anyway . .
>  
>  Suggestions about how to proceed with debugging?
>  
First thing is to power the machine down. Put on an anti-static band,
ground yourself to the chassis of the box and pop your memory sticks out
and reseat them.

To test RAM, boot a Fedora installation CD. One of the boot items is
memtest86, so run that to see if RAM is the issue. It's amazing how
often reseating the RAM sticks fixes flakiness.

Another common issue is a failing power supply, which can manifest
itself in all kinds of weird ways. Unless you have sufficient testing
gear (which I have, but I'm weird and started life as a hardware
engineer), you really can only check this is by substituting a new power
supply. They're generally not that expensive. Just make sure you get one
that's got the same wattage rating or higher.

Good luck!
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer, AllDigital    ricks(a)alldigital.com -
- AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
-                                                                    -
-   Trying to make digital files uncopyable is like trying to make   -
-                    water not wet. -- Bruce Schneier                -
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