regressiontests/kernel core dumps on ppc64le - Redmine #2734
GROMACS: gmx mdrun, version 2018.3 (double precision)
Executable: /builddir/build/BUILD/gromacs-2018.3/serial_d/bin/gmx_d
Data prefix: /builddir/build/BUILD/gromacs-2018.3 (source tree)
Working dir: /builddir/build/BUILD/gromacs-2018.3/serial_d/tests
Command line:
gmx_d mdrun -h
Thanx for Using GROMACS - Have a Nice Day
sh: line 1: 833 Aborted (core dumped) gmx_d mdrun -nb cpu -notunepme > mdrun.out 2>&1
Abnormal return value for ' gmx_d mdrun -nb cpu -notunepme >mdrun.out 2>&1' was -1
FAILED. Check mdrun.out, md.log file(s) in nb_kernel_ElecEwSh_VdwLJSh_GeomW4P1 for nb_kernel_ElecEwSh_VdwLJSh_GeomW4P1
1 out of 142 kernel tests FAILED
Details here:
https://koji.fedoraproject.org/koji/taskinfo?taskID=30691834
*(from redmine: issue id 2734, created on 2018-11-05 by junghans, closed on 2019-04-01)*
* Relations:
* relates #2746
* relates #2747
* relates #3057
* relates #3116
* Changesets:
* Revision 4a7281ef0020d0ff454608a3ee98b9984a6ac11e by Szilárd Páll on 2019-02-13T15:50:05Z:
```
Disable instruction fusion on Power8
The -mpower8-fusion flag seems to be the source of incorrect code; not
confirmed, but likely a codegen issue that also affects Power9 with the
similar flag used.
Fixes #2747 #2746 #2734
Change-Id: I56f50e54db47f4fe30c42488f4c4f79ac474518a
```
* Revision 1ce795fe5693e9790eb7c33896f47d4953867127 by Szilárd Páll on 2019-02-19T13:17:17Z:
```
Disable instruction fusion on Power8
The -mpower8-fusion flag seems to be the source of incorrect code; not
confirmed, but likely a codegen issue that also affects Power9 with the
similar flag used.
Fixes #2747 #2746 #2734
Change-Id: I56f50e54db47f4fe30c42488f4c4f79ac474518a
```
* Uploads:
* [build.log](/uploads/463908dc4410334f257a40b898726d6d/build.log) build log on ppc64le
issue