*BSD News Article 2258


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Newsgroups: comp.unix.bsd
Path: sserve!manuel!munnari.oz.au!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!sdd.hp.com!mips!darwin.sura.net!udel!louie!udel.edu!neal
From: neal@neal.ctd.comsat.com (Neal Becker)
Subject: Help! Bad Spot on Disc??
Message-ID: <NEAL.92Jul22092722@neal.ctd.comsat.com>
Sender: usenet@udel.edu (USENET News Service)
Nntp-Posting-Host: neal.ctd.comsat.com
Organization: COMSAT Labs
Date: Wed, 22 Jul 1992 14:27:22 GMT
Lines: 32

I have 386-40 generic board, WD1007SE2 controller, and a 150MB
Micropolis ESDI drive. (1022 cyl, 8 h, 35 s/t).

No jumper were changed on the controller board from their defaults.
The drive was low-level formatted without using the sector sparing
option.  Surface verification was done.  All this using the BIOS on
the controller.  No problems.

Try #1) After loadfd bin01, extract reports "bin01.11 corrupt".  I
renamed bin01.11 to junk, and loaded another copy of bin01.11.  Now
extract succeeds.

When fsck -p was run, it reported "unknown inode type...".  When fsck
run I cleared several of these, but each time fsck is run again the
same errors are reported!

Looks like a bad spot, right?  But why?  Doesn't the software
recognize the sectors already marked bad on the disk?

Try #2) Rerun surface verification.  Repartion.  Reload software.
Now, same thing but bin01.12 is bad.  That's cause last time I gave
dos 40 Mb, and this time 20Mb.  Trying cp bin01.12 junk gives io
error, confirming a problem accessing the disk.  Again, mv bin01.12
junk and reload bin01.12.

This time boots OK.  Running fsck shows no problems.  But now a new
problem.  This message keeps showing up (a lot):
  swap_pager_finish: clean of page xxx failed

Sounds nasty.  Is this a different problem?  Or related to disk
access?  HELP!  Does anyone know what's wrong?  This seems to be a
very generic setup.