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User's Guide for Patch Set 8 and Subsequent Compatible Releases
The Memory test, tests the DRAMs, the memory subsystem, the virtual memory, and the swap partitions of the disks in system. This test achieves large memory bandwidths and performs a mix of read and write MARCH operations to the memory. This test also uses background patterns to bring out pattern-sensitive faults in the DRAMs. A part of the test uses the Oracle Solaris valloc (page aligned) system call to allocate, write, read, and compare virtual memory. The system call causes heavy paging activity in the system and simulates a stressful environment for the OS. The test stimulates hard and soft error correction (ECC) errors, memory read errors, and addressing problems.