Oracle International Corporation

Benny Sum

Brian Manula

Haakon Ording Bugge

A method for processing commands includes receiving, for multiple commands, doorbells for writing to a send queue scheduler buffer on a host channel adapter (HCA). The send queue scheduler buffer is associated with a send queue scheduler. The method further includes detecting a potential deadlock of the send queue scheduler from processing a portion of the doorbells, writing a subset of the doorbells to a doorbell overflow buffer on a host, operatively connected to the HCA, based on detecting the potential deadlock, and discarding the subset by the send queue scheduler without processing the subset of the plurality of doorbells before discarding.

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Decatur, GA, United States of America

Benny Sum