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Date: Sat, 17 Sep 2005 11:57:35 -0700
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Subject: server locks up when unable to allocate swap
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A FBSD 4.7 server this morning locked up and when I got to the data center =
I=20
found a bunch of IO error messages saying the pager couldn't allocate neede=
d=20
swap space (or something close to that). Unfortunately these messages didn'=
t=20
get logged anywhere that I could find and I didn't have anything on me to=
=20
write them down. The server has 500mb ram and is usually using about 70% of=
=20
that. The server didn't panic, but the console was not responsive so I had=
=20
to do a cold reboot. Everything came back up fine.

Any ideas on how to debug this further? This server has run with the same=
=20
configuration (apache/zope/mysql/qmail) for about 2 years without any=20
issues. If something did actually use up all the swap, would what happened=
=20
be normal behavior?=20

Chris