I opened issue 19848 <https://pharo.fogbugz.com/f/cases/19848/Step-over-or-though-expression-with-DNU-hangs-image-when-happen-during-test-debugging>
2017-03-16 16:36 GMT+01:00 Denis Kudriashov <dionisi...@gmail.com>: > That is sad. It works from workspace but not during debugging tests. > > 2017-03-16 15:11 GMT+01:00 Esteban A. Maringolo <emaring...@gmail.com>: > >> Was this fixed? >> >> I'm debugging unit tests and I'm getting an infinte loop everytime a >> MNU is triggered. >> >> MessageNotUnderstood: receiver of "new" is nil >> UndefinedObject(Object)>>doesNotUnderstand: #new >> Message>>sentTo: >> UndefinedObject(Object)>>doesNotUnderstand: #new >> Message>>sentTo: >> >> VM: Unix built on May 4 2016 11:54:41 Compiler: 4.6.3 >> CoInterpreter VMMaker.oscog-eem.1855 uuid: >> d8e4a3c2-a3bf-4adc-b224-8012903a1ef4 May 4 2016 >> StackToRegisterMappingCogit VMMaker.oscog-eem.1855 uuid: >> d8e4a3c2-a3bf-4adc-b224-8012903a1ef4 May 4 2016 >> https://github.com/pharo-project/pharo-vm.git Commit: >> b8ec25a570d7539653e1d793e97609adb509aaed Date: 2016-05-04 11:14:22 >> +0200 Jenkins build #589 >> >> Image: 6521 >> >> Best regards, >> >> Esteban A. Maringolo >> >> >> 2016-09-21 15:01 GMT-03:00 Hilaire <hila...@drgeo.eu>: >> > Hi Guille, >> > >> > I was wondering if I could have kill manually this process, but the >> > process browser does not let you do that mistake. >> > >> > Thanks for the tip. >> > >> > Hilaire >> > >> > Le 21/09/2016 à 12:11, Guille Polito a écrit : >> >> Hi Hilaire, all, >> >> >> >> I started digging this morning on this issue, and I see why we can have >> >> such problems. >> >> >> >> Apparently, there is some strange case that produces a bug in >> UIManager. >> >> To explain it with code, the UIManager should satisfy allways the >> >> following invariant. >> >> >> >> "If executed from a workspace/playground. i.e., the UI process itself:" >> >> UIManager default uiProcess == Processor activeProcess. => true >> >> >> >> Somehow, in the image you provided me, it is not the case. >> >> >> >> I'm still taking a look at what would cause this. And I also think we >> >> still have this bug in pharo 6 (and thus pharo 5) because I found it >> >> lately very often. >> >> >> >> In the meantime, if you find that your image is causing you these >> >> problems, you can workaround it by executing: >> >> >> >> UIManager default spawnNewProcess. >> >> >> >> Once you do that, the ui process should come back to a correct state >> and >> >> the debugger should behave as expected. >> >> >> >> Guille >> > >> > -- >> > Dr. Geo >> > http://drgeo.eu >> > >> > >> >> >