Hi All, Just a follow up. Pulling out one stick (2 gig) of the 8 seems to fix the problem. I ran into the most problems while installing Sun's Java (jre-1_5_0_11-linux-i586.bin) while this is unzipping into /usr/local is when things consistently lock up. This is what I've been using to test things. There is sufficient disk space in the partition. I bypassed the prompt during the install and made a loop that removes the jre1.5.0_11 directory and then just does sh -x on the jre-1_5_0_11-linux-i586.bin. Leaving this run will lock the machine within a couple loops. Removing 1 stick of ram , the loop continues to run at least for 15 minutes before I terminated it. I've moved the ram around in different slots to see if it made a difference, as well as removed different single sticks to test. It seems the only thing that improves stability is to remove a single stick out of either the channel A or channel B slots. On the last test with all 4 sticks in, this message was printed to my ssh session right before hurling. oas kernel: Assertion failure in __journal_temp_unlink_buffer() at fs/jbd/transaction.c:1521: "jbd_is_locked_bh_state(bh)" Hopefully this all makes sense to someone more knowlegeable than I. Thomas -- Flambeau Inc. Technology Center - Baraboo, WI Email : tblader@xxxxxxxxxxxx Keyserver: http://pgp.mit.edu KeyID: 0x00E9EC2C _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos