Patents and Publications

US Patents

6,886,064: Computer system serialization control method involving unlocking global lock of one partition, after completion of machine check analysis regardless of state of other partition locks
6,898,731: System, method, and computer program product for preventing machine crashes due to hard errors in logically partitioned systems
6,901,537: Method and apparatus for preventing the propagation of input/output errors in a logical partitioned data processing system
6,910,160: System, method, and computer program product for preserving trace data after partition crash in logically partitioned systems
6,920,587: Handling multiple operating system capabilities in a logical partition data processing system
6,934,888: Method and apparatus for enhancing input/output error analysis in hardware sub-systems
6,944,847: Virtualization of input/output devices in a logically partitioned data processing system
6,976,191: Method and apparatus for analyzing hardware errors in a logical partitioned data processing system
6,981,079: Critical datapath error handling in a multiprocessor architecture
7,103,808: Apparatus for reporting and isolating errors below a host bridge
7,343,521: Method and apparatus to preserve trace data

2004 IBM: Method to increase test effectiveness of RAS functions
2003 IBM: Method to prevent machine check-stop during I/O subsystem failure analysis from ...
2002 IBM: Method to Hot Spare failed processors in DLPAR or Capacity Upgrade on Demand.
2002 IBM: Method to prevent termination of multiple partitions as a result of I/O error ...