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Date:      Sun, 07 Nov 2021 21:38:37 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 259702] buildkernel -j[#] with PORTS_MODULES pauses indefinitely with SIGNAL 22 if port config not set yet
Message-ID:  <bug-259702-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259702

            Bug ID: 259702
           Summary: buildkernel -j[#] with PORTS_MODULES pauses
                    indefinitely with SIGNAL 22 if port config not set yet
           Product: Base System
           Version: Unspecified
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs@FreeBSD.org
          Reporter: mirror176@hotmail.com

stable/13-n247959-f8b998c7305 here built November 2nd (ports tree near same
time) but suspect the issue is more widespread as this appears to be bug 19=
8545
(Closed Overcome By Events) but reproduced with more ports. The issue is si=
gnal
22 results from trying to provide a ports configuration screen if -j flag is
used including -j1.

Reproduced in /usr/src with `make -j1 buildkernel
PORTS_MODULES=3Dx11/nvidia-driver-390` or `make -j2 buildkernel
PORTS_MODULES=3Dsysutils/openzfs-kmod` though I initially ran into it with =
the
variable defined in /etc/src.conf.

Possible things to fix:
Is there a way to provide a configuration screen to terminal with -j>1 defi=
ned?
Run port build with BATCH defined if -j[>1] defined.
-j1 should fallback to running the same as without the flag.
Error out successfully instead of locking up and needing to abort the build
manually (used ctrl+c at terminal I executed it from).

workarounds:
Manually proceed to find/answer config dialogs before executing buildkernel;
needs to always be done if ports tree is updated or freebsd source is updat=
ed
as ports revise their options and freebsd version changing can change path
through ports tree (graphics/drm-kmod leading to a different variant based =
on
version of OS it is built for).
`make -j# buildkernel&&make buildkernel PORTS_MODULES=3D` as a type of 2 st=
ep
run; permits still building kernel parallel but would not be compatible with
defining it in /etc/src.conf.

Wondering if i am doing it wrong or in some unexpected way:
  I switched to building my own packages through poudriere and with defaults
instead of my preferences (usually) years ago which resulted on me not havi=
ng
ports config screens set regularly. I remember trying PORTS_MODULES
unsuccessfully more than once but never really looked into it. Started to n=
ow
as it seems much more appropriate thank building kernel modules 'after' an =
OS
install+reboot which needs the old module set to not load during launch.
  Poudriere doesn't recommend it be used to build ports for a newer OS than=
 it
is running on and at a few hours usually for
x11/nvidia-driver-390+emulators/virtualbox-ose-kmod that seemed like a lot =
of
down time with complicated steps to remove module from boot, update OS, reb=
uild
ports providing modules and the chain they depend on (poudriere makes that =
task
easy), reinstall newly built copies (not sure when pkg considers the install
necessary vs skippable), best to manually load the modules once at this poi=
nt,
then we can finally add modules to boot sequence again.
  That has been my reliable path which is much slower than my old portupgra=
de
way in place of poudriere; too many times ports fail to build due to depend=
ing
on local files over build directory files unexpectedly. Never learned how to
'properly' fix those issues but fear the original issue needs to be address=
able
to use PORTS_MODULES reliably too.

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