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Date:      Fri, 29 Aug 1997 17:54:18 +0100 (BST)
From:      Gordon Henderson <gordon@drogon.net>
To:        hackers@freebsd.org
Subject:   Fatal trap 12: page fault while in kernel mode (again)
Message-ID:  <Pine.LNX.3.95.970829175157.10277O-100000@unicorn>

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It happened again..


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xe72d8690
fault code              = supervisor write, page not present
instruction pointer     = 0x8:0xe012430a
stack pointer           = 0x10:0xdfbffdc0
frame pointer           = 0x10:0xdfbffdc8
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 162 (named)
interrupt mask          = bio 
panic: page fault

The machine was running named, gzip and named-xfer and the usual
background noise.

A 'top' on the machine when it died showed:

last pid:   608;  load averages:  2.05,  1.49,  0.80 17:51:20
16 processes:  3 running, 13 sleeping
CPU states: 95.3% user,  0.0% nice,  4.3% system,  0.4% interrupt,  0.0% idle
Mem: 276M Active, 7612K Inact, 13M Wired, 77M Cache, 8346K Buf, 4060K Free
Swap: 64M Total, 64K Used, 64M Free

  PID USERNAME PRI NICE SIZE    RES STATE    TIME   WCPU    CPU COMMAND
  594 root    103   0  8748K   404K RUN      2:28 48.45% 48.45% gzip
  162 root    103   0   206M   160M RUN      6:55 48.33% 48.33% named
  571 root      2   0   440K   764K sbwait   0:16  1.79%  1.79% named-xfer
  605 root     28   0   596K   744K RUN      0:00  0.00%  0.00% top


Help...

Gordon




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