[CentOS] segfaults with 8 gig of ram

tblader tblader at flambeau.com
Thu Mar 22 16:01:51 UTC 2007

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.


Flambeau Inc. Technology Center - Baraboo, WI
Email    : tblader at flambeau.com
Keyserver: http://pgp.mit.edu KeyID: 0x00E9EC2C

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