[CAUTION] build.log: Output from failing command(s) repeated here - do not miss the hs_error file in case of crashes

[Langer, Christoph]

Hi Matthias,

I would second that.

Best regards
Christoph

> -----Original Message-----
> From: build-dev <build-dev-bounces at openjdk.java.net> On Behalf Of
> Baesken, Matthias
> Sent: Dienstag, 16. Juli 2019 16:40
> To: 'build-dev at openjdk.java.net' <build-dev at openjdk.java.net>
> Subject: [CAUTION] build.log: Output from failing command(s) repeated
> here - do not miss the hs_error file in case of crashes
>
> Hello,   In case  of JVM crashes in the build  (yes they happen in development
> 😉 )  , we  print some info about the crash  at the end of the build log file
>  In the   Output from failing command(s) repeated here  … section  .
> This looks like  the following   (from a recent crash on AIX )  :
>
> === Output from failing command(s) repeated here ===
> /opt/freeware/bin/printf "* For target jdk__optimize_image_exec:\n"
> * For target jdk__optimize_image_exec:
> (/opt/freeware/bin/grep -v -e "^Note: including file:" <   /nightly/output-jdk-
> test/make-support/failure-logs/jdk__optimize_image_exec.log || true) |
> /opt/freeware/bin/head -n 12
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGSEGV (0xb) at pc=0x3c0009003cc0a080, pid=34341128, tid=258
> #
> # JRE version: OpenJDK Runtime Environment (14.0.1) (build 14.0.0.1-
> internal+0-adhoc.openjdk.jdk)
> # Java VM: OpenJDK 64-Bit Server VM (14.0.0.1-internal+0-
> adhoc.openjdk.jdk, mixed mode, tiered, compressed oops, serial gc, aix-
> ppc64)
> # Problematic frame:
> # C  0x3c0009003cc0a080
> #
> # Core dump will be written. Default location:    /nightly/jdk/make/core or
> core.34341128
> #
>
> Unfortunately ,  we miss  the path to the hs_error file   which  is a pity
> because  this  is a VERY important  info  in the  error analysis .
>
> The reason seems to be  that  we currently only  print  12 lines   (head -n 12)
> and  this is not ehought to get the line with the hs_error file .
> Could we switch to  15 lines ,  this would include  the hs_error file .
>
> Change  would be done in  jdk/make/InitSupport.gmk     where
> PrintFailureReports   is  done .
>
>
> Best regards, Matthias
>