[mythtv-users] a new type of error

[Jim Abernathy]

On 03/08/2018 07:20 PM, Hika van den Hoven wrote:
> Hoi Jim,
>
> Friday, March 9, 2018, 1:12:41 AM, you wrote:
>
>
>
>> On 03/08/2018 06:49 PM, Hika van den Hoven wrote:
>>> Hoi James,
>>>
>>> Friday, March 9, 2018, 12:31:37 AM, you wrote:
>>>
>>>> I’ve setup my mythtv backend to daily optimize and backup the
>>>> database.  I have it email me with the results.  So when I don’t get
>>>> the 2 emails at 7:35am each day, I go looking for problems. The
>>>> system still records problems and the frontends work for viewing.
>>>> What I’ve seen lately is I can’t ssh or login at the PC console of
>>>> the backend, and I get errors on the console like:
>>>> Mar  7 12:11:47 mythbuntu kernel: [317584.873671] NMI watchdog:
>>>> BUG: soft lockup - CPU#4 stuck for 22s! [TFWWrite:25774]
>>>> Mar  7 12:12:15 mythbuntu kernel: [317612.872998] NMI watchdog:
>>>> BUG: soft lockup - CPU#4 stuck for 23s! [TFWWrite:25774]
>>>> Mar  7 12:12:55 mythbuntu kernel: [317652.872033] NMI watchdog:
>>>> BUG: soft lockup - CPU#4 stuck for 23s! [TFWWrite:25774]
>>>> Mar  7 12:13:23 mythbuntu kernel: [317680.871359] NMI watchdog:
>>>> BUG: soft lockup - CPU#4 stuck for 22s! [TFWWrite:25774]
>>>> The Host name is mythbuntu.  It’s a Ubuntu 16.04 system
>>>> Once I reboot, the system works fine and I get my optimize emails
>>>> after a short time.  But a day or so later I notice this problem
>>>> again.  I have not changed anything, but I have done some updating
>>>> using:  apt update and apt upgrade.
>>>> Any ideas??
>>>>    
>>>> Jim Abernathy
>>>> jfabernathy at gmail.com
>>> Sounds to me like a possible hardware issue. One of they components
>>> starting to die. How is your system temperature?
>> The CPU and Chipset temps are nominal.  All fans are running as normal.
>> Jim A
> The thing is that it is all four times cpu#4. With a software issue I
> would expect it to occur on changing cpus.
The errors I copied were from kern.log.  When I saw it live on the 
console, it alternated between CPU 2 and 5.

Jim A

>
>
> Tot mails,
>    Hika                            mailto:hikavdh at gmail.com
>
> "Zonder hoop kun je niet leven
> Zonder leven is er geen hoop
> Het eeuwige dilemma
> Zeker als je hoop moet vernietigen om te kunnen overleven!"
>
> De lerende Mens
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums: https://forum.mythtv.org