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From: Vikrant on 10 May 2010 06:28
Hey i gues u need to set default mask which determines the LEVEL of the
KdPrint output ..

I Think u r using default level .

so try following command in WinDbg .. and then "!dbgprint"

>ed Kd_DEFAULT_Mask 0x8

>!dbgprint


I know its late reply but this may help in local debug ..
"mpefareo" wrote:

> Hello,
>
> I'm just starting learning Windows Drivers Development.
> I tried to see any KdPrint messages in WinDbg but can't see any.
> I have started WinDbg in Local Kernel mode. It seems to be ok. This is the
> output from Windbg:
>
> Connected to Windows XP 2600 x86 compatible target at (Sun Apr 4
> 14:23:10.250 2010 (GMT+1)), ptr64 FALSE
> Symbol search path is:
> D:\Archive\Jobs\WDK\toaster\exe\notify\objchk_wxp_x86\i386;C:\WINDOWS\Symbols;D:\Archive\Jobs\WDK\tracedrv\tracedrv\objchk_wxp_x86\i386;D:\Archive\Jobs\WDK\tracedrv\tracectl\objchk_wxp_x86\i386
> Executable search path is:
> D:\Archive\Jobs\WDK\tracedrv\tracedrv\objchk_wxp_x86\i386
> Windows XP Kernel Version 2600 (Service Pack 3) MP (4 procs) Free x86
> compatible
> Product: WinNt, suite: TerminalServer SingleUserTS
> Built by: 2600.xpsp.080413-2111
> Machine Name:
> Kernel base = 0x804d7000 PsLoadedModuleList = 0x805634c0
> Debug session time: Sun Apr 4 14:23:10.609 2010 (GMT+1)
> System Uptime: 0 days 0:44:56.551
>
> After compiling the toaster simple function driver in checked build I did
> "devcon install ...." this works as well I can see the driver in the driver
> list. I can also uninstall it sucessfully. As I understand when I install the
> driver the system calls DriverEntry function which has got KdPrint statement,
> but I can't see any messages in WinDbg command window. How can I see any
> KdPrint in WinDbg. Is the command windows the right place to look for them.
> Or may be the limitation is "Local Kernel mode"? I even tried to run a sample
> application which opens the driver and close the driver Ok, but still no
> messages in WinDbg.
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