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OpenSmalltalk / opensmalltalk-vm

Cross-platform virtual machine for Squeak, Pharo, Cuis, and Newspeak.
http://opensmalltalk.org/
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OSVM 201804030952 crashes in Context(Object)>copy #265

Open fniephaus opened 6 years ago

fniephaus commented 6 years ago

OSVM 201804030952 sometimes crashes in Context(Object)>copy when running Squeak SUnit tests.

Full stack trace at: https://travis-ci.org/squeak-smalltalk/squeak-app/jobs/387262157#L2073

Another trace is at: https://travis-ci.org/squeak-smalltalk/squeak-app/jobs/382950107#L1717

smalltalking commented 6 years ago

This one is probably related to a possible VM bug related to image segments. As a side effect, executing ImageSegmentTest will break the image. It would make it easier to track down issues like this if the name of the executed test case appeared in the log.

fniephaus commented 6 years ago

Good point, I should turn that on, so we see what test cases are causing crashes...

eliotmiranda commented 6 years ago

Hi Fabio,

I'd love to take a look at this. But how do I go from { "os": "osx", "script": "./prepare.sh", "language": "smalltalk", "osx_image": "xcode7.3", "smalltalk": "Squeak64-trunk" } to what's actually run on the command line?

fniephaus commented 6 years ago

@eliotmiranda have a look at squeak-app. prepare.sh is the entry point and the builds fail here. All files that are needed are in that repository. It's basically calling out to smalltalkCI which then runs all SUnit tests with a few exceptions. Otherwise, download the latest Squeak-trunk and run all tests a few times. Eventually, you'll get crashes like this.

fniephaus commented 5 years ago

CI builds still suffer from crashes caused by this, see https://github.com/hpi-swa/smalltalkCI/issues/440 for example. Anyone willing to look into this?