Experimental Physics and
Industrial Control System

Mark Rivers <[email protected]> · Wed, 14 Feb 2018 21:26:01 +0000

FYI, it was an orphan perl process that was preventing the Windows command window from closing. I have seen this a few times.

-----Original Message-----
From: Gofron, Kazimierz [mailto:[email protected]] 
Sent: Wednesday, February 14, 2018 2:26 PM
To: Mark Rivers <[email protected]>
Subject: RE: Possible issue with epics-base 7 compilation

There was a perl process, and killing it closed the cmd window. Thanks.

-----Original Message-----
From: Mark Rivers [mailto:[email protected]] 
Sent: Wednesday, February 14, 2018 3:24 PM
To: Gofron, Kazimierz
Subject: RE: Possible issue with epics-base 7 compilation

I mean in Task Manager/Processes sort by process name. Find all of the processes called "make" (or "perl", "cl", etc.).  Kill those individual processes if they exist.

> -----Original Message-----
> From: Gofron, Kazimierz [mailto:[email protected]]
> Sent: Wednesday, February 14, 2018 2:21 PM
> To: Mark Rivers <[email protected]>
> Subject: RE: Possible issue with epics-base 7 compilation
> 
> Yes the make -sj8 is running,
> I can move the window, hide it. Just can not close it.
> 
> ________________________________________
> From: Mark Rivers [[email protected]]
> Sent: Wednesday, February 14, 2018 3:18 PM
> To: Gofron, Kazimierz
> Subject: RE: Possible issue with epics-base 7 compilation
> 
> Did you look to see if there are any "make", "perl", etc. processes running?
> 
> > -----Original Message-----
> > From: Gofron, Kazimierz [mailto:[email protected]]
> > Sent: Wednesday, February 14, 2018 1:09 PM
> > To: Mark Rivers <[email protected]>; 'Andrew Johnson' 
> > <[email protected]>;
> tech-
> > [email protected]
> > Subject: RE: Possible issue with epics-base 7 compilation
> >
> > Hi Mark,
> >
> > This 'make -sj8' command window cannot be closed from Windows Task 
> > Manager, nor by clicking Close/X buttons. I have seen this only on this IBM server.
> >
> > -Kaz
> >
> > -----Original Message-----
> > From: Mark Rivers [mailto:[email protected]]
> > Sent: Wednesday, February 14, 2018 1:15 PM
> > To: Gofron, Kazimierz; 'Andrew Johnson'; [email protected]
> > Subject: RE: Possible issue with epics-base 7 compilation
> >
> > Hi Kaz,
> >
> > > When make 4.1 version was used, there was an instance that 'make -sj8'
> > > did not complete compilation of epics-base, and command window 
> > > could not be closed. I am waiting for scheduled suitable time to 
> > > log-out, or reboot this server
> to
> > resolve that issue.
> >
> > I have always been able to recover by opening the Windows Task 
> > Manager, Processes tab, and killing any "make" processes.  Very 
> > rarely there are orphan "perl" or "cl" processes that need to be killed as well.  I have never had to log out or restart the machine.
> >
> > Mark
> >
> >
> > > -----Original Message-----
> > > From: Gofron, Kazimierz [mailto:[email protected]]
> > > Sent: Wednesday, February 14, 2018 12:00 PM
> > > To: 'Andrew Johnson' <[email protected]>; Mark Rivers 
> > > <[email protected]>; tech- [email protected]
> > > Subject: RE: Possible issue with epics-base 7 compilation
> > >
> > > Hi,
> > >
> > > Using 'make -sj', I compiled epics-base (7.0.1.1) with make-4.2.1, 
> > > and compilation most  of the time completed. The good thing is 
> > > that I was able to close the command window for incomplete two 
> > > compilations. Also as Mark stated, compilation completed 
> > > successfully with 'make -sj8' (the server has 8
> > hyper threaded cores).
> > >
> > > When make 4.1 version was used, there was an instance that 'make -sj8'
> > > did not complete compilation of epics-base, and command window 
> > > could not be closed. I am waiting for scheduled suitable time to 
> > > log-out, or reboot this server
> to
> > resolve that issue.
> > >
> > > -Kaz
> > >
> > > -----Original Message-----
> > > From: Andrew Johnson [mailto:[email protected]]
> > > Sent: Tuesday, February 13, 2018 4:41 PM
> > > To: Gofron, Kazimierz; Mark Rivers; [email protected]
> > > Subject: Re: Possible issue with epics-base 7 compilation
> > >
> > > Hi Guys,
> > >
> > > I don't know if an update will make any difference, but I just 
> > > built a copy of the latest GNU make 4.2.1 which you can download from
> > >   https://epics.anl.gov/download/tools/make-4.2.1-win64.zip
> > >
> > > Please let us know if this helps.
> > >
> > > - Andrew
> > >
> > > On 02/12/2018 06:42 PM, Gofron, Kazimierz wrote:
> > > > Hi Mark,
> > > > Indeed it is make 4.1 from EPICS web page, that Andrew build.
> > > > Kaz
> > > > ________________________________________
> > > > From: Mark Rivers [[email protected]]
> > > > Sent: Monday, February 12, 2018 7:36 PM
> > > > To: Gofron, Kazimierz; [email protected]
> > > > Cc: [email protected]
> > > > Subject: RE: Possible issue with epics-base 7 compilation
> > > >
> > > > Hi Kaz,
> > > >
> > > > I don't think this is a new problem, and is not specific to EPICS 7.
> > > > Are you using the
> > > make 4.1 that Andrew built and put on the EPICS Web page?
> > > >
> > > > If I run "make -sj" with that version then it will occasionally 
> > > > get into a state when one
> > > "make" process is using 100% of a core forever and it never completes.
> > > This happens with 3.14.12.5, 3.15.5, and 7.0.1.1.
> > > >
> > > > I have never had a problem if I use "make -sj8" on my 8-core machine.
> > > >
> > > > Mark
> > > >
> > > >
> > > > From: Gofron, Kazimierz [mailto:[email protected]]
> > > > Sent: Monday, February 12, 2018 6:23 PM
> > > > To: [email protected]
> > > > Cc: Mark Rivers <[email protected]>; [email protected]
> > > > Subject: Possible issue with epics-base 7 compilation
> > > >
> > > > Hi,
> > > >
> > > > There is a possible threading issue when compiling epics-base 7 
> > > > using 'make -sj'  on 8
> > > hyperthread system.
> > > > Observed on System X 3250 M5 with 8 hyperthreads, running 
> > > > windows 7 Professional,
> > > Xeon E3-1230 v3, and Visual Studio 2017.
> > > >
> > > > make -sj never completes compilation make -sj4 completes 
> > > > compilation
> > > >
> > > > Compilation always successfully completes on Lenovo W550s laptop 
> > > > with 4
> > hyperthreads.
> > > >
> > > > The two attached files show the two cases when compiling 'make' 
> > > > and 'make -sj' on the
> > > System X 3250 M5 (8 hyperthreads).
> > > >
> > > > Kaz
> > > >
> > > >
> > >
> > > --
> > > Arguing for surveillance because you have nothing to hide is no 
> > > different than making the claim, "I don't care about freedom of 
> > > speech because I have nothing to say." -- Edward Snowdon

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System