2025-09-08T14:23:19-0000 Stuart Henderson <[email protected]>:
> On 2025-09-08, Johannes Thyssen Tishman <[email protected]> wrote:
> > 2025-09-06T13:29:35-0000 Stuart Henderson <[email protected]>:
> >> On 2025-09-05, Heppler, J. Scott <[email protected]> wrote:
> >> > Hi,
> >> >
> >> > I've been testing the newly committed CAD/freecad port and would first
> >> > like to acknowledge the amount and quality of work that went into the
> >> > port.
> >> >
> >> > One of my models has some fine detail that was not 3D printing and
> >> > attempts to increase the meshing resolution for STL export core dumped.
> >> > For completeness, CAD drafting is known to be memory intense.
> >> >
> >> > I worked around this by joining the staff group and editing "infinity"
> >> > memory limits.
> >> >
> >> > Technically, I only need the memory limits for CAD work and recognize
> >> > that memory limits are a safety feature.
> >> >
> >> > I was wondering if a feature could be added at login to increase login
> >> > to the same home directory with increased limits? Login via xenodm?
> >> > This would save editing /etc/login.conf and a reboot. It would also
> >> > limit the amount of time of increased memory vulnerability.
> >>
> >> No need for an extra OS feature. You can raise the hard limit in
> >> login.conf (-max) but not the soft limit, then use an alias or wrapper
> >> script to adjust the soft limit via ulimit before starting your memory-
> >> hungry process.
> >
> > sthen@, do you think this might be worth a pkg-readme? Scott was able to
> > trace the issue back to memory limits but other users might not know how
> > to deal with this.
>
> Could be. For that, I'd probably just advise making sure that the user
> is in 'staff' class and bumping datasize-cur, and not worry too much about
> the fact that limits are increased for everything.
>
> > Scott, I believe you use the .desktop file to launch FreeCAD, correct?
> > If so, you will probably want to make a copy under
> > ~/.local/share/applications that launches a wrapper script, as sthen@
> > suggests.
>
> There's no path to the binary in org.freecad.FreeCAD.desktop so you
> don't actually need to touch that file, you can just leave it as packaged.
> Instead set your own PATH (e.g. in .profile or .xsession) to include ~/bin
> or similar ahead of /usr/local/bin, and add a wrapper script there.
Apologies for the very late reply, work has kept me busy. What do you
think about the following pkg/README?
Index: pkg/README
===================================================================
RCS file: pkg/README
diff -N pkg/README
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ pkg/README 18 Sep 2025 18:40:09 -0000
@@ -0,0 +1,8 @@
++-------------------------------------------------------------------------------
+| Running ${PKGSTEM} on OpenBSD
++-------------------------------------------------------------------------------
+
+Some CAD operations may require large amounts of memory that exceed the limits
+set by the user's default login class. This can cause FreeCAD to crash. To
+avoid this, increase datasize memory limits in ${SYSCONFDIR}/login.conf or add
+your user to the 'staff' group and bump the limits with 'ulimit'.
