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Date:      Fri, 11 Jun 1999 00:24:48 -0500 (CDT)
From:      Kevin Day <toasty@home.dragondata.com>
To:        current@freebsd.org
Subject:   More NFS woes
Message-ID:  <199906110524.AAA09562@home.dragondata.com>

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Grabbed another -current, and are still seeing a few problems yet that Matt
and others haven't solved. I'm not pushing anyone, just reminding that these
are still here, and still problems.


1) The 'inode/vmopar' lockup that Matt is aware of, and apparently tracked
down.

2) Processes starting to runaway doing this:

nfs_getpages: error 70
vm_fault: pager read error, pid 1251 (eggdrop)
nfs_getpages: error 70
vm_fault: pager read error, pid 1251 (eggdrop)
nfs_getpages: error 70
vm_fault: pager read error, pid 1251 (eggdrop)
nfs_getpages: error 70
vm_fault: pager read error, pid 1251 (eggdrop)
nfs_getpages: error 70

No, i don't know what the user in question did to make this happen, if
anything. The process was eating about 70% cpu when i killed it, syslogd was
eating the other 30 logging all this. :)


3) Weirdly high load averages. I have two systems, of similar hardware, and
similar jobs run on it. System A runs 2.2.8, and has about 300 processes
running. System B runs -current, and has about 250 processes running. The
processes are doing virtually the same things, and both are heavy NFS
clients. System A's load average is about .10, Syetem B's load average
hovers around 3.0-5.0. 

System A:
last pid:  1933;  load averages:  0.31,  0.10,  0.11
CPU states:  6.2% user,  0.0% nice,  1.9% system,  1.6% interrupt, 90.3% idle
302 processes: 1 running, 294 sleeping, 7 zombie

System B:
last pid: 77084;  load averages:  3.64,  3.70,  4.00
CPU states:  7.0% user,  0.0% nice,  2.7% system,  0.4% interrupt, 89.9% idle
256 processes: 1 running, 254 sleeping, 1 zombie

Has something changed in the load average calculation, between 2.x and
-current, or is there something actually different going on here?

The only hardware differences are that system A uses two de0 cards, and
system B uses two fxp0 cards. System A is a PII, and sytem B is a K6-2.
(similar speeds)

Kevin


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