*BSD News Article 47789


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From: mvh@netcom.com (Michael Harding)
Subject: Help!  File system gets corrupted
Message-ID: <mvhDCn9Mx.ItK@netcom.com>
Organization: NETCOM On-line Communication Services (408 261-4700 guest)
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Date: Tue, 1 Aug 1995 18:20:57 GMT
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Sender: mvh@netcom16.netcom.com

On my system, doing a fsck will usually give me
/DUP/BAD BLOCK
errors every couple of days, and will trash one or more random files.
I did a clean install, did a 'make world'
on the source directory after properly installing /usr/bin, and  I
get these errors if I check immediately after it finishes!  (in single
user mode on an unomounted volume, of course).  It's driving me crazy!
The system seems to otherwise work fine.  These errors would not be
detected by startup as the clean flag is set.

Would this be caused by i/o or memory problems?  Any suggestions on what
to 'back off' to see if it makes the system more reliable?  I have 3
boards on a 40mhz VLB bus - could this be causing problems?

I am using
2.05 release CD
AMD DX2/80 w/ a 40mhz bus
WD caviar drive, ~700 Mb. w/ 100 m DOS, reset BSD
Soundblaster 16 with sony 2x SCSI cdrom
Promise VLB disk/i.o board
Diamond stealth 64 DRAM