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Date: Wed, 13 Oct 2004 23:40:38 GMT
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To: freebsd-bugs@FreeBSD.org
From: Kris Kennaway <kris@obsecurity.org>
Subject: Re: kern/72639: 5.3-BETA7 kernel config option
	ALT_BREAK_TO_DEBUGGER doesn't work
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The following reply was made to PR kern/72639; it has been noted by GNATS.

From: Kris Kennaway <kris@obsecurity.org>
To: John Engelhart <johne@zang.com>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: kern/72639: 5.3-BETA7 kernel config option ALT_BREAK_TO_DEBUGGER doesn't work
Date: Wed, 13 Oct 2004 16:36:09 -0700

 On Wed, Oct 13, 2004 at 01:06:55PM +0000, John Engelhart wrote:
 
 > options         KDB, KDB_UNATTENDED, KDB_TRACE
 > options         ALT_BREAK_TO_DEBUGGER   # Use <CR>~^b to enter debugger on
 >                                         # the serial port
 > options         PANIC_REBOOT_WAIT_TIME=300
 > 
 
 > It looks like the kernel debugger parts changed from 5.2.1 to 5.3,
 > though, and this may just be that I didn't follow all the details of
 > what's changed.  Previously, instead of KDB, my 5.2.1 config had DDB
 > and all worked well.
 
 KDB is just the kernel debugging framework, it doesn't actually
 include a debugger.  You're missing DDB or GDB.  From NOTES:
 
 #
 # Compile with kernel debugger related code.
 #
 options         KDB
 
 #
 # Enable the ddb debugger backend.
 #
 options         DDB
 
 Kris