Re: VKTM background process terminating the DB instance.

There is no spfile difference between the working and non-functioning host.I have set the parameter _disable_highres_ticks once again and am observing the DB instance now. If this doesn't , I will perform the relink and update this thread.

Thanks,
Goti

On Thu, Aug 12, 2021 at 11:34 AM Noveljic Nenad <nenad.noveljic_at_vontobel.com> wrote:

> I don‘t know whether it‘s an Oracle or an OS bug. I‘ll examine the
> aforementioned function in more detail after I have the access to my Oracle
> installation again. There aren‘t any registered Oracle bugs with this
> function involved.
>
> I suggested relinking because the program tries to branch to a
> non-existing location. It‘s a low risk, low cost action that could
> potentially resolve the problem.
>
> Are there any spfile differences between working and non-functioning host?
>
> *Von: *oracle-l-bounce_at_freelists.org <oracle-l-bounce_at_freelists.org> im
> namen von: Goti <aryan.goti_at_gmail.com>
> *Datum *Donnerstag, 12. Aug. 2021, 4:11 AM
> *An: *gogala.mladen_at_gmail.com <gogala.mladen_at_gmail.com>
> *Cc: *ORACLE-L <oracle-l_at_freelists.org>
> *Betreff: *Re: VKTM background process terminating the DB instance.
>
> Hi Mladen,
>
> There were no recent changes to the kernel and that we have confirmed. The
> last kernel change happened in 2019.
>
> Thanks,
> Goti
>
>
> On Thu, Aug 12, 2021 at 7:18 AM Mladen Gogala <gogala.mladen_at_gmail.com>
> wrote:
>
>> No, Nenad is correct, that's not a problem with VM. Generally speaking,
>> there aren't many problems with VM these days. Have you recently installed
>> the new Linux kernel? If you have, you should have relinked the Oracle
>> executables. Once upon a time, that was hard. One had to go to
>> $ORACLE_HOME/rdbms/lib and run "make -f ins_rdbms.mk". Today, the
>> command is "relink all". No more "make" commands or debugging the link
>> process. However, you still have to shut the instance down before relinking
>> the executables.
>>
>> Regards
>> On 8/11/21 9:36 PM, Goti wrote:
>>
>> Hi Nenad,
>>
>> I did set “_disable_hihghres_ticks” to true last week as I saw that as a
>> workaround in one the blog but post that also instance was terminated. I
>> will once again try in one of the non prod box and update you. Could this
>> be an issue with VM as post moving couple of VMs to a new host I don’t see
>> the problem again. Or do you suspect this to be an Oracle bug?
>>
>> Thanks again Nenad, you have been so helpful!
>>
>> --
>> Mladen Gogala
>> Database Consultant
>> Tel: (347) 321-1217https://dbwhisperer.wordpress.com
>>
>> -- http://www.freelists.org/webpage/oracle-l
>
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