How to get user mode DebugBreaks on Vista?

WINDBG
1

On XP I get int 3 and DebugBreak user mode processes, while
connected with a kernel mode debugger. On Vista, I don’t.

How to get them?

2

Check the settings “user exception handling” settings (-cu):

Usage: c:\Debuggers\kdbgctrl.exe
Options:
-c - Check kernel debugger block-enable
-ca - Check kernel debugger auto-enable
-cb - Check kernel debugger enable block
-cdb - Check kernel DbgPrint buffer size
-cu - Check kernel debugger user exception handling
-cx - Check kernel debugger enable and exit with status
-d - Disable kernel debugger
-da - Disable kernel debugger auto-enable
-db - Disable kernel debugger block-enable
-du - Disable kernel debugger user exception handling
-e - Enable kernel debugger
-ea - Enable kernel debugger auto-enable
-eb - Enable kernel debugger block-enable
-eu - Enable kernel debugger user exception handling
-sdb - Set kernel DbgPrint buffer size
-td - Get a kernel triage dump

-----Original Message-----
From: xxxxx@lists.osr.com [mailto:xxxxx@lists.osr.com] On Behalf Of Albrecht Frenzel
Sent: Monday, May 07, 2007 7:01 AM
To: Kernel Debugging Interest List
Subject: [windbg] How to get user mode DebugBreaks on Vista?

On XP I get int 3 and DebugBreak user mode processes, while
connected with a kernel mode debugger. On Vista, I don’t.

How to get them?

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