> On 17.11.2014, at 10:56, Nicolai Hess <[email protected]> wrote: > > 2014-11-16 17:46 GMT+01:00 Max Leske <[email protected] > <mailto:[email protected]>>: > > Hi. > > I may have discovered a bug in the PharoVM (stable and latest), which may > have been around for at least two years (I had a very similiar situation > about two years ago with Fuel). > > I have a test that fails when a particular method contains “3 timesRepeat: [ > Smalltalk garbageCollect ]”. In order to be sure that it’ not the > #timesRepeat message that’s causing the crash, I replaced that with multiple > “Smalltalk garbageCollect” sends. > > The test I’m talking about ObsoleteTest>>testFixObsoleteSharedPools. To make > the test crash the VM, simply add a couple of garbageCollects at the end of > SmalltalkImage>>fixObsoleteSharedPools. I tried to come up with a little > script to demonstrate the issue but I can only reproduce the problem with > Nautilus (which makes me suspect that the problem is related to Nautilus). > > Steps to reproduce: > 1. get a fresh image and the latest vm: > curl get.pharo.org/40+vmLastest <http://get.pharo.org/40+vmLastest> | > bash && ./pharo-ui Pharo.image > 2. open the class browser and navigate to > SmalltalkImage>>fixObsoleteSharedPools > 3. Append ten “self garbageCollect” statements to the method. > 4. navigate to ObsoleteTest>>testFixObsoleteSharedPools and click on the test > runner icon to the left of the method name. > > I can reproduce this with the Mac VM (OS X 10.10) as well as with the linux > VM (Ubuntu 12.04.1). > > I’ve opened an issue for this: > https://pharo.fogbugz.com/f/cases/14478/Reproducible-VM-crash-with-excessive-garbage-collection > > <https://pharo.fogbugz.com/f/cases/14478/Reproducible-VM-crash-with-excessive-garbage-collection> > > > Cheers, > Max > > > Can not reproduce this on linux with may own vm build from an older version > (on ubuntu 10.04) > > /home/nicolai/devel/pharo-vm/pharo-vm/results/pharo > NBCoInterpreter NativeBoost-CogPlugin-HolgerHansPeterFreyther.21 uuid: > e0df6e2d-5694-40e2-8035-dc217200b424 Oct 14 2014 > NBCogit NativeBoost-CogPlugin-HolgerHansPeterFreyther.21 uuid: > e0df6e2d-5694-40e2-8035-dc217200b424 Oct 14 2014 > https://github.com/pharo-project/pharo-vm.git > <https://github.com/pharo-project/pharo-vm.git> Commit: > 81b5d19917dcb78f22482a780deec48c53738396 Date: 2014-09-20 14:36:18 +0200 By: > Esteban Lorenzano <[email protected] <mailto:[email protected]>> > > Unix built on Oct 14 2014 20:55:01 Compiler: 4.4.3 > VMMaker versionString https://github.com/pharo-project/pharo-vm.git > <https://github.com/pharo-project/pharo-vm.git> Commit: > 81b5d19917dcb78f22482a780deec48c53738396 Date: 2014-09-20 14:36:18 +0200 By: > Esteban Lorenzano <[email protected] <mailto:[email protected]>> > NBCoInterpreter NativeBoost-CogPlugin-HolgerHansPeterFreyther.21 uuid: > e0df6e2d-5694-40e2-8035-dc217200b424 Oct 14 2014 > NBCogit NativeBoost-CogPlugin-HolgerHansPeterFreyther.21 uuid: > e0df6e2d-5694-40e2-8035-dc217200b424 Oct 14 2014 > > > reproducable on ubuntu 12.? 64 bit (32 bit latest vm): > --------------- > /home/nicolai/Downloads/pharo-vm/pharo > NBCoInterpreter NativeBoost-CogPlugin-EstebanLorenzano.21 uuid: > 4d9b9bdf-2dfa-4c0b-99eb-5b110dadc697 Nov 13 2014 > NBCogit NativeBoost-CogPlugin-EstebanLorenzano.21 uuid: > 4d9b9bdf-2dfa-4c0b-99eb-5b110dadc697 Nov 13 2014 > https://github.com/pharo-project/pharo-vm.git > <https://github.com/pharo-project/pharo-vm.git> Commit: > 27d505ceffde98d854ed887903a2a94908637a49 Date: 2014-11-04 12:04:48 +0100 By: > Esteban Lorenzano <[email protected] <mailto:[email protected]>> Jenkins > build #14876 > > Unix built on Nov 13 2014 00:43:51 Compiler: 4.6.3 > VMMaker versionString https://github.com/pharo-project/pharo-vm.git > <https://github.com/pharo-project/pharo-vm.git> Commit: > 27d505ceffde98d854ed887903a2a94908637a49 Date: 2014-11-04 12:04:48 +0100 By: > Esteban Lorenzano <[email protected] <mailto:[email protected]>> Jenkins > build #14876 > NBCoInterpreter NativeBoost-CogPlugin-EstebanLorenzano.21 uuid: > 4d9b9bdf-2dfa-4c0b-99eb-5b110dadc697 Nov 13 2014 > NBCogit NativeBoost-CogPlugin-EstebanLorenzano.21 uuid: > 4d9b9bdf-2dfa-4c0b-99eb-5b110dadc697 Nov 13 2014 > > > both with image 40370
Thanks Nicolai
