Re: [JENKINS] Lucene-9.x-MacOSX (64bit/jdk-18) - Build # 978 - Unstable!

2022-08-24 Thread Robert Muir
On Wed, Aug 24, 2022 at 11:40 AM Uwe Schindler wrote: > > Hi, > > this is the MacOS virtualbox. This one often hast timeshifts caused by > Virtualbox and the NTP daemon of OSX is bullshit (no chrony). > > Actually earlier versions of MacOS had a bug in their OS libc > segfaulting the app to crash

Re: [JENKINS] Lucene-9.x-MacOSX (64bit/jdk-18) - Build # 978 - Unstable!

2022-08-24 Thread Uwe Schindler
Hi, this is the MacOS virtualbox. This one often hast timeshifts caused by Virtualbox and the NTP daemon of OSX is bullshit (no chrony). Actually earlier versions of MacOS had a bug in their OS libc segfaulting the app to crash on backwards jumps of wall time, which was fixed a few years

Re: [JENKINS] Lucene-9.x-MacOSX (64bit/jdk-18) - Build # 978 - Unstable!

2022-08-24 Thread Robert Muir
If we look at the 7687 issue, there's definitely some that can be explained by unruly tests randomly behaving badly. But a few of those (such as simple stemmer tests) look suspicious to me. I've fought the issue with my own tests (non-java) and its amazing how much stuff can break, if it relies on

Re: [JENKINS] Lucene-9.x-MacOSX (64bit/jdk-18) - Build # 978 - Unstable!

2022-08-24 Thread Dawid Weiss
Damn. I know about it but never had it happen to me. You're right in that it could be a reason and it's definitely one of the aspects I can take off the checklist. It looks strange because those timeouts are fairly high - the time correction would indeed have to be significant for this to fail

Re: [JENKINS] Lucene-9.x-MacOSX (64bit/jdk-18) - Build # 978 - Unstable!

2022-08-24 Thread Robert Muir
Hi Dawid, I looked at this and also https://github.com/apache/lucene/issues/7687 If you look at the instances and how sporadic they are, the problem could be caused by TimeoutSuite using wall-clock time in com.carrotsearch.randomizedtesting? Especially in virtual machines, wall-clock time can be

Re: [JENKINS] Lucene-9.x-MacOSX (64bit/jdk-18) - Build # 978 - Unstable!

2022-08-24 Thread Dawid Weiss
A test timed out. I've beasted with the same settings but can't reproduce. Either JVM bug somewhere or cosmic interference... Dawid On Wed, Aug 24, 2022 at 3:32 AM Policeman Jenkins Server wrote: > > Build: https://jenkins.thetaphi.de/job/Lucene-9.x-MacOSX/978/ > Java: 64bit/jdk-18