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Fix Lenovo P3 Ultra (30HA) activation: ManageabilityControl attribute…#3

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88plug merged 1 commit into
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fix/p3-ultra-manageability-control
Jun 10, 2026
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Fix Lenovo P3 Ultra (30HA) activation: ManageabilityControl attribute…#3
88plug merged 1 commit into
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fix/p3-ultra-manageability-control

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@88plug 88plug commented Jun 10, 2026

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… + AmtNotReady handling

Real-world run on a ThinkStation P3 Ultra 30HA (CSME 16.1.27) hit two gaps:

  • think-lmi attribute on P3 Ultra is ManageabilityControl (Disabled/Enabled), not AMTControl as documented; 30HA ships it Disabled from factory, so rpc activate returns AMT_STATUS_NOT_PERMITTED / Error 4 AmtNotReady until the staged toggle is applied at next POST. README now documents the per-platform attribute name, the staging command, and the one required reboot; troubleshooting table gets a matching row.

  • amt-activate.sh now detects AMT_STATUS_NOT_PERMITTED/AmtNotReady in the rpc log and prints the Lenovo/Dell no-BIOS-menu fix instead of the generic failure message.

Also adds a headless/automation note: yay's final pacman -U dies without a TTY; build then install the cached packages explicitly.

… + AmtNotReady handling

Real-world run on a ThinkStation P3 Ultra 30HA (CSME 16.1.27) hit two gaps:

- think-lmi attribute on P3 Ultra is ManageabilityControl (Disabled/Enabled),
  not AMTControl as documented; 30HA ships it Disabled from factory, so
  rpc activate returns AMT_STATUS_NOT_PERMITTED / Error 4 AmtNotReady until
  the staged toggle is applied at next POST. README now documents the
  per-platform attribute name, the staging command, and the one required
  reboot; troubleshooting table gets a matching row.

- amt-activate.sh now detects AMT_STATUS_NOT_PERMITTED/AmtNotReady in the
  rpc log and prints the Lenovo/Dell no-BIOS-menu fix instead of the generic
  failure message.

Also adds a headless/automation note: yay's final pacman -U dies without a
TTY; build then install the cached packages explicitly.
@88plug 88plug merged commit a623916 into main Jun 10, 2026
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