I have kernel configured with options KDB and DDB.
But when kernel panic occurs while running as VBox VM, VBox takes over and says: "A critical error occurred while running the virtual machine", etc. It doesn't drop into DDB. Pressing Ok closes VM, pressing "Ignore" leaves it in hung state.

sysctl debug.kdb.enter=1 also causes the above behavior as if panic has occurred.

Is it possible to make DDB kick in while running as VM?

Yuri
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