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- 00:47, 4 May 2025 Martini talk contribs created page KernelDebugRef - Debugging VM Start Sessions (Created page with "{{IBM-Reprint}} {{KernelDebugRef}} <p>Before you begin debugging in a VM Start session, you must establish interrupt vectors 1 and 3. Issue the command DD %%0 to see what the vectors should be, and then issue the following commands to set them to their correct values:</p> <pre> E &.0:4 12 67 00 1d E &.0:c 57 67 00 1d </pre> <p>To debug a trap 6 or an incorrect-output problem, set a breakpoint at the <h2>VMINT21</h2> entry point.</p> <p>You...")