On 8 June 2017 at 11:57, Georg-Johann Lay <a...@gjlay.de> wrote: > On 05.06.2017 18:25, Jim Wilson wrote: >> >> On 06/01/2017 05:59 AM, Georg-Johann Lay wrote: >>> >>> Hi, when I am running the gcc testsuite in $builddir/gcc then >>> $ make check-gcc RUNTESTFLAGS='ubsan.exp' >>> comes up with spurious fails. >> >> >> This was discussed before, and the suspicion was that it was a linux >> kernel bug. There were multiple kernel fixes pointed at, it wasn't >> clear which one was required to fix it. >> >> I have Ubuntu 16.04 LTS on my laptop, and I see the problem. I can't >> run the ubsan testsuites with -j factor greater than one and get >> reproducible results. There may also be other ways to trigger the >> problem. >> >> See for instance the thread >> https://gcc.gnu.org/ml/gcc/2016-07/msg00117.html >> The first message in the thread from Andrew Pinski mentions that the log >> output is corrupted from apparent buffer overflow. >> >> Jim > > > > I have "Ubuntu 16.04.2 LTS". > > Asking this at DejaGNU's, I got the following pointer: > > https://lists.gnu.org/archive/html/dejagnu/2016-03/msg00034.html > > AFAIU there is a problem separating stdout and stderr? >
Be careful, I'm not a dejagnu maintainer/developer :-) I just meant to say I had "similar" problems, but according to this thread, I'm not the only one :( > Johann > > >
