[Bug 221029] AMD Ryzen: strange compilation failures using poudriere or plain buildkernel/buildworld

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221029

--- Comment #105 from Mark Millard <markmi at dsl-only.net> ---
(In reply to Mark Millard from comment #104)

FYI: So far what failed initially but
built in a later retry of a bulk -a
(no -C ) is:

tome4-1.5.5
sv-gimp-help-html-2.8.2
zh_CN-gimp-help-html-2.8.2
reflex-20170521
tfel-mfront-2.0.4_1
p5-B-C-1.55
mpqc-mpich-2.3.1_30
samba45-4.5.14
iroffer-dinoex-3.30_2
nifticlib-2.0.0_1
apache-openoffice-devel-4.2.1810071_1,4
en_GB-gimp-help-html-2.8.2
de-gimp-help-html-2.8.2
ca-gimp-help-html-2.8.2
go-1.9.2,1

This is after a couple of retry attempts
that could add to the list.

There are some examples where looking
at the logs and the detailed build order
leads me to expect that

ALLOW_MAKE_JOBS=yes

might not be supported correctly.
An example is:

tfel-mfront-2.0.4_1 :

/usr/bin/ld: cannot find -lMFrontLogStream
c++: error: linker command failed with exit code 1 (use -v to see invocation)
*** [mfront] Error code 1

which may have just happened before libMFrontLogStream
was available.

There were a couple of cases of the initial
failures being:

Killing runaway build after 7200 seconds with no output

but the retry did not get that. (Different
competing processes were involved.)

None of that list were SIGSEGV or SIGBUS
failures according to the log files.

The sequence is:

QUEUE BUILT FAIL SKIP IGNORE REMAIN
27777 25049  364 2015    349      0
 2730   185  354 1840    351      0
 2547   266  348 1580    353      0

Things that moved from SKIP to BUILT
were generally because of depending on
something that I turned off WITH_DEBUG=
for as I went along (such as www/*webkit*
instead of www/qt5-webkit* ).

It does appear that the 1950X threadripper
avoids the issues that I saw with the
1800X.

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