Hi vm-dev,

Continuing my thread from squeak-dev.

On Mar 20, 2018, at 1:03 PM, Tim Johnson wrote:

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Good. I'm off the hook :-) Your subject line is misleading; this is a lock up, not a VM crash. On Mac OS X I see the lock up but see no VM crash. Does it help that you can start from the 6.0alpha download (6.0alpha) instead of starting from scratch?

Whoops! I'm sorry Eliot. The one time the Win32 VM actually popped up a dialog window (instead of an in-image offer to drop to evaluator), it suggested there had been a VM problem. I could never repeat the pop-up of that dialog window, though. Thanks... I will be more careful about my terminology.

Attached is a crash.dmp file. This crash happened on the Win32 VM, squeak.cog.spur_win32x86_201803080952. IIRC, I was trying to upgrade from #420 to #421. The VM popped up a dialog box indicating some VM statistics and last opcode executed. I failed to capture a screenshot. I was never able to make the same situation crash the VM again after maybe 5 attempts — it only brought me an offer to enter the emergency evaluator.

Thanks, Tim