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Date: Wed, 22 Oct 1997 17:36:24 -0700 (PDT)
From: Jaye Mathisen  <mrcpu@cdsnet.net>
To: hackers@freebsd.org
Subject: Locking process 0, and vm_page_alloc errors.
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I just upgraded to 2.2.5, supped a couple of days ago.

I'm getting the following on the console:

Oct 22 17:30:59 chop /kernel: pid 15918 (perl), uid 170, was killed: out
of swap space
Oct 22 17:31:04 chop /kernel: locking by process 0
Oct 22 17:31:05 chop last message repeated 3 times
Oct 22 17:31:17 chop /kernel: vm_page_alloc(ZERO): missing pages on cache
queue: 2


Yet pstat -s shows:

Device      1K-blocks     Used    Avail Capacity  Type
/dev/sd0b      262144   215844    46236    82%    Interleaved
/dev/??         64000    61752     2184    97%    Interleaved
Total          326016   277596    48420    85%



/dev/?? is a vn0b swap file.  (I don't know why the ?? is there).

As I see it, there should be plenty of swap space, so I'm not sure what's
happening.

Also, the vm_page_alloc(ZERO) messages are a bit disconcerting.


Any ideas appreciated.