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Date:      Tue, 13 Aug 2013 14:21:02 -0700
From:      Yuri <yuri@rawbw.com>
To:        FreeBSD Hackers <hackers@freebsd.org>
Subject:   Kernel DDB doesn't work in VM ?
Message-ID:  <520AA33E.1050602@rawbw.com>

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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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