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Date:      Tue, 8 Feb 2005 22:56:28 -0500
From:      "James Welsh" <jwelsh@digitalspy.co.uk>
To:        <freebsd-amd64@freebsd.org>
Subject:   Hard lockup on 5.3-STABLE
Message-ID:  <20050209035627.C1E32548AE@buxton.digitalspy.co.uk>

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Hi,

Our AMD Opteron server is locking up every few hours - no core dumps being
made, and by the look of the output in /var/log/messages, whatever is
occurring is fairly severe:

Feb  9 03:29:26 pollux kernel:
Feb  9 03:29:26 pollux kernel:
Feb  9 03:29:26 pollux kernel: Fatal trap 12: page fault while in kernel
mode
Feb  9 03:29:26 pollux kernel: cpuid = 1; apic id = 01
Feb  9 03:29:26 pollux kernel: fault virtual address    = 0x28
Feb  9 03:29:26 pollux kernel: fault code               = supervis
Feb  9 03:29:26 pollux kernel: or
Feb  9 03:29:26 pollux kernel: wr
Feb  9 03:29:26 pollux kernel: it
Feb  9 03:29:26 pollux kernel: e
Feb  9 03:29:26 pollux kernel: , page
Feb  9 03:29:26 pollux kernel: n
Feb  9 03:29:26 pollux kernel: ot pr
Feb  9 03:29:26 pollux kernel: esent
Feb  9 03:29:26 pollux kernel:
Feb  9 03:29:26 pollux kernel: in
Feb  9 03:29:26 pollux kernel: st

The machine then reboots.

In case it helps narrow the problem down, lots of the following messages are
also being logged to /var/log/messages:

Feb  8 16:47:27 pollux kernel: Limiting closed port RST response from 313 to
200 packets/sec
Feb  8 16:47:28 pollux kernel: Limiting closed port RST response from 281 to
200 packets/sec
Feb  8 16:47:30 pollux kernel: Limiting closed port RST response from 279 to
200 packets/sec
Feb  8 16:47:31 pollux kernel: Limiting closed port RST response from 265 to
200 packets/sec

The server is running MySQL Server 4.1.9 compiled from ports - this happens
regardless of whether it's compiled with process scope threads or not.  It
also doesn't seem to be related to load - I was monitoring things in top at
the time of the most recent crash - the output looked like this:

last pid:  3980;  load averages:  0.00,  0.00,  0.00
up 0+10:42:49  03:29:25
97 processes:  1 running, 96 sleeping
CPU states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100%
idle
Mem: 88M Active, 147M Inact, 150M Wired, 1272K Cache, 214M Buf, 7438M Free
Swap: 4096M Total, 4096M Free

  PID USERNAME PRI NICE   SIZE    RES STATE  C   TIME   WCPU    CPU COMMAND
  520 mysql     96    0   138M 83540K select 1  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K sigwai 1  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K ksesig 1  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 1  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld
  520 mysql     20    0   138M 83540K kserel 0  20:10  0.00%  0.00% mysqld

Server:

Dual AMD Opteron 248 2.2GHz
8GB RAM
Tyan S2882 Thunder K86 motherboard
Running FreeBSD 5.3-STABLE

Any help very gratefully received.

Best regards,

James Welsh




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