Synchronized shutdown of host operating system and data processing unit operating system
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United States of America Patent
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Dec 5, 2023
Grant Date -
Oct 5, 2023
app pub date -
Apr 4, 2022
filing date -
Apr 4, 2022
priority date (Note) -
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Abstract
An information handling system may include a processor, a data processing unit communicatively coupled to the processor, a logic device communicatively coupled to processor and configured to, responsive to a shutdown event associated with the information handling system, cause a power system of the information handling system to maintain delivery of electrical energy to the data processing unit until receiving a command to cause withdrawal of the electrical energy to the data processing unit, and a management controller communicatively coupled to the processor, the data processing unit, and the logic device, and configured for out-of-band management of the information handling system. The management controller may be further configured to, responsive to the shutdown event, cause a host operating system executing the processor to gracefully shutdown, cause a data processing unit operating system executing on the data processing unit to gracefully shutdown, and responsive to receiving an indication that the data processing unit operating system has gracefully shutdown, communicate the command to the logic device to cause withdrawal of the electrical energy to the data processing unit.
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