KdPrintEx in 'Debugger Immediate Window' into VS 2012 is not printing any msg.

NTDEV
1

Hello,

scenario is:

Host Win7_x64, target VM Win7_x64 both on same physical machine.
Driver debugging using VS 2012 (Visual Studio Integrated Windows Debugger.)

Able to provisioning between Host and target using VS 2012 and WDK 8.0.

KmdfSmall driver given on msdn is properly able to install on target VM; showing into Device Manager as well on target VM.

but when ever I’m pressing F5, KdPrintEx((DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, “\n KmdfSmallEvtDeviceAdd has been called\n”)) is not printing any msg’s into ‘Debugger Immediate Window’ of VS 2012

at the same time ‘Debugger Immediate Window’ of VS 2012 is showing ‘breakpoint hit’ and return value of KdPrintEx is also correct i.e. STATUS_SUCCESS.

Do I missing some setting to display the msg’s of “KdPrintEx”.
What settings does Visual Studio 2012 require to print the Kernel debug messages?

Additional Info:
have already changed the value of Component Filter Mask on Host
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Debug Print Filter.
Under this key, created a value with the name “IHVDRIVER” and Set the value of this key equal to the DWORD value 0x8".

But nothing changed. Might be I’m looking on wrong place for “KdPrintEx” msg o/p.

Regards
matt

2

Hey Solved! Thanks to Mr Doron,

changed the value of Component Filter Mask on target machine where driver has been installed to debug.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Debug Print Filter.

Under this key, created a value with the name “IHVDRIVER” and Set the value of this key equal to the DWORD value 0x8".

I choose “IHVDRIVER” because in my KdPrintEx((DPFLTR_“IHVDRIVER”_ID, DPFLTR_INFO_LEVEL, “\n KmdfSmallEvtDeviceAdd has been called\n”))
And DWORD value 0x8 because Leveling.

For detail: http://msdn.microsoft.com/en-us/library/windows/hardware/ff551519(v=vs.85).aspx

thanks you

regards
matt