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Date:      Tue, 11 Nov 1997 01:38:49 +0000
From:      Jason Wells <jcwells@u.washington.edu>
To:        freebsd-questions@freebsd.org
Subject:   umount: Fatal Trap 12:
Message-ID:  <3.0.3.32.19971111013849.007b7b10@jcwells.deskmail.washington.edu>

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I use 2.2.2R, Pentium 100, 48MB ram, and IDE drives.

Upon umounting either my CDROM or my floppy I receive

Fatal Trap 12: page fault while in kernel mode

First. How do I capture these panic strings to a file before the system is
rebooted? Is such a thing possible considering that the system has lost
control of it's sphincter? 

I read something about dumping the core but reading a core dump sounds like
it is way beyond my ability. What advice have you about saving core dumps?

What is kernel mode?

What is page fault?

I noticed no problems when mounting drives. I was able to read from both
CDROM and floppies just fine. I was able to write to floppies. 

To umount the drive I have used umount /dev/yada and umount /mnt_point for
the CDROM and the floppy with same result for all four combinations. 

Am I doing something wrong at mount time? Am I doing something wrong at
umount time?

Thank you once again,
Jason Wells



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