Re: Curious Mystery Of Killed Process

[George N. White III]

On Thu, 30 Jul 2020 at 19:49, Thomas Dineen  wrote:
> Gentle People:
>
> I have a question about "The Curious Mystery Of Killed Process At 4:56 AM"?
> For some while now I have been developing a optimization application, which
> depending on the machine may run for several days.
> The development process has played out over a month or more of
>
> testing, finding many bugs
> including several Segmentation Fault Crashes, which are usually found
> and fixed
> with the help of GDB.
> Now I have a new one: After running for several days the application
>
> terminates,
> and prints "Killed" in the shell window. Now know this did not likely
> occur via the
> keyboard because of physical security. Can a process kill itself? Is
> this simply caused
> by a bug which must be chased down? Could this be caused by a shortage
> of resources?
> Memory? Threads? Is there a limit on the number of threads?
> I am running GCC 4.4.7 on CentOS 7.0

There should be more details in dmesg and log files.   OOM Killer is a
prime suspect.