Re: Frequent recent killing of runaway CppunitTest_sw_layoutwriter on Jenkins (was: ESC meeting minutes: 2022-04-14)

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On 25/04/2022 17:25, Stephan Bergmann wrote:
On 19/04/2022 11:17, Stephan Bergmann wrote:
On 4/14/22 16:29, Stephan Bergmann wrote:
* Jenkins / CI update (Cloph)
[...]
      30 Killed by the kill-wrapper gerrit_linux_clang_dbgutil
         + quite high, but may be just bad luck this week

Starting on 2022-04-10, I saw so far five "Gerrit Linux clang/dbgutil" master builds and one "UBSAN Linux Build" that all got killed due to a CppunitTest_sw_layoutwriter that is apparently either live-locked or excessively long-running, in a way I had not seen before.

Following the recent discussion on IRC,

<vmiklos> but it's not helpful that i haven't seen those hangs locally so far.
<sberg> yeah, it's just Jenkins that keeps failing
<caolanm> sberg, maybe adding "fc-list" to the timeout killer would at least give a list of the system fonts installed which might be useful to reproduce it locally

I temporarily patched the ~tdf/lode environments on tb75/76/79 (i.e., the subset of known-affected machines that I can easily reach) now with

diff --git a/bin/tree-info b/bin/tree-info
index e24bdea625ac..9d7343a6a293 100755
--- a/bin/tree-info
+++ b/bin/tree-info
@@ -36,3 +36,6 @@ for my $pid (@pids) {
     print("\n$cmd:\n");
     system($cmd);
 }
+$cmd = "fc-list";
+print("\n$cmd:\n");
+system($cmd);

So e.g. tb79 output (at <https://ci.libreoffice.org/job/gerrit_linux_clang_dbgutil/112482/consoleFull#148039667048ce9c26-9d0a-43a8-83d8-c44f54920d59>),

fc-list:
/usr/share/fonts/liberation/LiberationSerif-Italic.ttf: Liberation Serif:style=Italic
/usr/share/fonts/liberation/LiberationSans-Bold.ttf: Liberation Sans:style=Bold
/usr/share/fonts/liberation/LiberationMono-Bold.ttf: Liberation Mono:style=Bold
/usr/share/fonts/dejavu/DejaVuSansCondensed-Oblique.ttf: DejaVu Sans,DejaVu Sans Condensed:style=Condensed Oblique,Oblique
/usr/share/fonts/dejavu/DejaVuSansCondensed-Bold.ttf: DejaVu Sans,DejaVu Sans Condensed:style=Condensed Bold,Bold
/usr/share/fonts/liberation/LiberationSerif-BoldItalic.ttf: Liberation Serif:style=Bold Italic
/usr/share/X11/fonts/Type1/c0611bt_.pfb: Courier 10 Pitch:style=Bold Italic
/usr/share/X11/fonts/Type1/UTBI____.pfa: Utopia:style=Bold Italic
/usr/share/fonts/liberation/LiberationSerif-Regular.ttf: Liberation Serif:style=Regular
/usr/share/fonts/liberation/LiberationSerif-Bold.ttf: Liberation Serif:style=Bold
/usr/share/fonts/liberation/LiberationMono-Italic.ttf: Liberation Mono:style=Italic
/usr/share/X11/fonts/Type1/c0419bt_.pfb: Courier 10 Pitch:style=Regular
/usr/share/fonts/dejavu/DejaVuSans.ttf: DejaVu Sans:style=Book
/usr/share/fonts/liberation/LiberationSans-BoldItalic.ttf: Liberation Sans:style=Bold Italic
/usr/share/X11/fonts/Type1/c0648bt_.pfb: Bitstream Charter:style=Regular
/usr/share/fonts/dejavu/DejaVuSans-Bold.ttf: DejaVu Sans:style=Bold
/usr/share/X11/fonts/Type1/cursor.pfa: Cursor:style=Regular
/usr/share/X11/fonts/Type1/UTB_____.pfa: Utopia:style=Bold
/usr/share/fonts/liberation/LiberationMono-Regular.ttf: Liberation Mono:style=Regular
/usr/share/X11/fonts/Type1/c0583bt_.pfb: Courier 10 Pitch:style=Bold
/usr/share/X11/fonts/Type1/UTI_____.pfa: Utopia:style=Italic
/usr/share/fonts/liberation/LiberationSans-Italic.ttf: Liberation Sans:style=Italic
/usr/share/X11/fonts/Type1/c0582bt_.pfb: Courier 10 Pitch:style=Italic
/usr/share/fonts/dejavu/DejaVuSansCondensed.ttf: DejaVu Sans,DejaVu Sans Condensed:style=Condensed,Book
/usr/share/fonts/dejavu/DejaVuSans-ExtraLight.ttf: DejaVu Sans,DejaVu Sans Light:style=ExtraLight
/usr/share/fonts/liberation/LiberationMono-BoldItalic.ttf: Liberation Mono:style=Bold Italic
/usr/share/fonts/dejavu/DejaVuSansCondensed-BoldOblique.ttf: DejaVu Sans,DejaVu Sans Condensed:style=Condensed Bold Oblique,Bold Oblique
/usr/share/X11/fonts/Type1/c0633bt_.pfb: Bitstream Charter:style=Bold Italic
/usr/share/fonts/liberation/LiberationSans-Regular.ttf: Liberation Sans:style=Regular
/usr/share/X11/fonts/Type1/c0649bt_.pfb: Bitstream Charter:style=Italic
/usr/share/fonts/dejavu/DejaVuSans-Oblique.ttf: DejaVu Sans:style=Oblique
/usr/share/X11/fonts/Type1/c0632bt_.pfb: Bitstream Charter:style=Bold
/usr/share/fonts/dejavu/DejaVuSans-BoldOblique.ttf: DejaVu Sans:style=Bold Oblique
/usr/share/X11/fonts/Type1/UTRG____.pfa: Utopia:style=Regular

is substantially shorter than e.g. my Fedora 36 `fc-list | wc -l` being 478, and I have some findings in the comment at <https://gerrit.libreoffice.org/c/core/+/130493/7#message-e08f298e02448997aec8c89adf128cfe5e0efae5> "add a layout test to exercise UXTSOREL".




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