Andrei Chiș

thanks @svenvc and @noha for the details. I though there was a reason but I did not find that commit. The code that failed in our case was something like...

Hi Sven. I opened the issue again. Thanks for looking into this!

Might happen because the error code seems to be incorrectly set https://github.com/pharo-project/opensmalltalk-vm/issues/367

I'm wondering if other methods that rely on primitives could be affected by this problem. We are seeing from time to time crashes that look like below that seem to...

I tried it now in Pharo 11 and I get the same behaviour. Pharo 11.0 - 64bit (development version, latest) traits.image Pharo11.0.0 Build information: Pharo-11.0.0+build.198.sha.05cd6583896f68c39494581ab454ff7f03f40b71 (64 Bit) Unnamed

``` Process 0x12d2967c0 priority 40 0x7ffc020904e0 M [] in Delay>wait 0x11cabb918: a(n) Delay 0x7ffc02090520 M FullBlockClosure(BlockClosure)>ifCurtailed: 0x11cac3520: a(n) FullBlockClosure 0x7ffc02090558 M Delay>wait 0x11cabb918: a(n) Delay 0x7ffc02090588 M Duration>wait 0x11cac3628: a(n)...

In case someone wants to reproduce these kind of crashes locally, we were using the setup here: https://github.com/feenkcom/pharo-socket-stability-experiment/tree/main/rust-worker. The idea there was to same thousand of small workers in Rust...

``` Illegal instruction Thu May 11 11:59:28 2023 /home/ubuntu/jenkins/workspace/feenkcom_gtoolkit_main/gt-examples/bin/GlamorousToolkit-cli PharoVM version:5.0-Pharo 9.0.20 built on Apr 28 2023 09:46:39 Compiler: 11.3.0 11.3.0 [Production Spur 64-bit VM] Built from: CoInterpreter * VMMaker-tonel.1...

``` Illegal instruction Mon May 15 06:04:40 2023 /home/ubuntu/jenkins/workspace/feenkcom_gtoolkit_main/gt-examples/bin/GlamorousToolkit-cli PharoVM version:5.0-Pharo 9.0.20 built on May 12 2023 13:53:09 Compiler: 11.3.0 11.3.0 [Production Spur 64-bit VM] Built from: CoInterpreter * VMMaker-tonel.1...

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