How do I set up WinDbg symbols?

To control the symbol path in WinDbg, do one of the following:

1. Choose Symbol File Path from the File menu or press CTRL+S.
2. Use the .
3. When you start the debugger, use the -y command-line option.
4. Before you start the debugger, use the _NT_SYMBOL_PATH and _NT_ALT_SYMBOL_PATH environment variables to set the path.

How do I enter a command in WinDbg?

You type commands in the smaller pane (the command entry pane) at the bottom of the window and view the output in the larger pane at the top of the window. In the command entry pane, use the UP ARROW and DOWN ARROW keys to scroll through the command history.

How do you run a WinDbg?

Launch Notepad and attach WinDbg On the File menu, choose Open Executable. In the Open Executable dialog box, navigate to the folder that contains notepad.exe (typically, C:\Windows\System32). For File name, enter notepad.exe. Select Open.

How do I debug a process in WinDbg?

When WinDbg is in dormant mode, you can attach to a running process by choosing Attach to a Process from the File menu or by pressing F6. In the Attach to Process dialog box, select the process you want to debug, and select OK.

How do you analyze a crash dump in WinDbg?

Analyze dump file

1. Open Start.
2. Search for WinDbg, right-click the top result, select the Run as administrator option.
3. Click the File menu.
4. Click on Start debugging.
5. Select the Open sump file option.
6. Select the dump file from the folder location – for example, %SystemRoot%\Minidump .
7. Click the Open button.

How do I debug command prompt?

To activate the debugger at the command prompt

1. Choose Debug Next. The debugger is now active and is waiting to attach to a session.
2. Select a session, and then choose Debug. The debugger is now active and attached to the selected session.

How do I start WinDbg in kernel-mode?

WinDbg Menu When WinDbg is in dormant mode, you can begin a kernel debugging session by choosing Kernel Debug from the File menu or by pressing CTRL+K.

What is PEB in WinDbg?

The PEB is the user-mode portion of Microsoft Windows process control structures.

How do you debug a process?

If you don’t know the process name, browse through the list, or see Common debugging scenarios for some common process names….Attach to a running process on your local machine

1. Click Select.
2. In the Select Code Type dialog box, select Debug these code types.
3. Select the code types you want to debug.
4. Select OK.

How do you force load symbols?

You can force symbol loading to occur by using the /f option or by issuing an ld (Load Symbols) command. The . reload command is useful if the system stops responding (that is, crashes), which might cause you to lose symbols for the target computer that is being debugged.

How do I analyze a core dump file?

With a core file, we can use the debugger (GDB) to inspect the state of the process at the moment it was terminated and to identify the line of code that caused the problem. That’s a situation where a core dump file could be produced, but it’s not by default.

How do I view memory dumps?

Click Start, and then click Control Panel. Double-click System, and then click Advanced system settings. Click the Advanced tab, and then click Settings under Startup and Recovery. In the Write debugging information list, click Small memory dump (256k).

How use WinDbg memory leak?

Using Windbg

1. Add your program EXE/DLL PDB (program database) path to the symbol file path.
2. You also need to to configure the Operating System’s flag to enable user stack trace for the process which has memory leaks. This is simple, and can be done with gflags.exe. Gflags.exe is installed during Windbg’s installation.

What does debug command do?

The debug command allows users to examine memory contents, make changes, and then execute COM, .exe and other file types.

What does the debug trace command do?

The trace command shows executed source lines, function calls, or variable changes. The speed of a trace is set using the dbx trace_speed environment variable.

How do I set a breakpoint in WinDbg?

WinDbg Menu You can open the Breakpoints dialog box by choosing Breakpoints from the Edit menu or by pressing ALT+F9. This dialog box lists all breakpoints, and you can use it to disable, enable, or clear existing breakpoints or to set new breakpoints.

How do I enable debugging in command prompt?

To activate the debugger at the command prompt In the Session List window, do one of the following: Choose Debug Next. The debugger is now active and is waiting to attach to a session. Select a session, and then choose Debug.