FWIW me too, on an 8-way 8.5GB (64GB HIGHMEM enabled) IBM Netfinity
x370 (8500R) which functions as a production mail server. I currently
run 2.4.9 with XFS and it stays up for about a week under heavy load.
2.4.13 lasted about 4 hours under light load until all memory was
consumed by cache then it became unresponsive.
2.4.13 on a 2-way 1GB (64GB HIGHMEM enabled) Netfinity x350 test box
with the same kernel config and XFS works fine even under stress, so
perhaps our problem is similar to the discussion on l-k "Google's mm
problems"...
Update: I'm unable to make 2.4.14 fail on the test box (running
Cerberus, bonnie++ against two XFS volumes, and LTP simultaneously) but
it melts-down just as 2.4.13 does on the big production box. A short
time after all memory is eaten by file cache, and under light load, the
machine becomes unresponsive. It took about five minutes to login at
the console. No error messages on the console or in syslog. Here's
some info, it's obvious in the vmstat output where the melt-down occurs:
kernel config: http://www.lehigh.edu/~jce0/2.4.14-config
bootup messages: http://www.lehigh.edu/~jce0/2.4.14-messages
vmstat 60 output: http://www.lehigh.edu/~jce0/2.4.14-vmstat
ver_linux output: http://www.lehigh.edu/~jce0/ver_linux.out
This is linus 2.4.14 patched with linux-2.4.14-xfs-2001-11-06.patch
and LVM 0.9.1_beta6, compiled with egcs-2.91.66. It's a RH 7.1 system.
I know Andrea and Marcelo? were testing and fixing some HIGHMEM
things. Were there any patches and did they make it into the Linus tree?
Any assistance greatly appreciated.
Jim
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