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KernelDebugRef - Debugging VM Start Sessions: Revision history

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4 May 2025

  • curprev 00:4900:49, 4 May 2025 Martini talk contribs 1,064 bytes −43 No edit summary
  • curprev 00:4700:47, 4 May 2025 Martini talk contribs 1,107 bytes −24 No edit summary
  • curprev 00:4700:47, 4 May 2025 Martini talk contribs 1,131 bytes +1,131 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 &amp.0:4 12 67 00 1d E &amp.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..."
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