On Thu, 31 Jul 1997, Eric C Wagner wrote:

> 
> I just got 1.2.1 working on a IIci with cache. The problem I'm having is
> that the file system keeps getting corrupted. I have one partition for
> root/usr and one for swap. Booting in single user I can fix things with
> fsck but as soon as I log out and multiuser starts up it complains the
> file system is corrupt. Random files get botched each time around so for
> one boot vi is bad and everything else is okay...

Sounds to me like you're getting bit by the NCR SCSI driver.  You should
try to find a GENERICSBC kernel of the same vintage (ie, 1.2.1) and see if
that works any better.  GENERICSBC is the same kernel, except for the fact
that it contains a different SCSI driver.  Some disks don't work well with
the NCR driver, others don't work well with SBC, but most drives will work
OK with one or the other.

> ...Another hostname dies and
> vi works. I notice that when shutting down just after it does the sync it
> complains about not trusting something but it disappears too quickly for
> my to read what. Any ideas? 

Don't worry about that one - it says that NetBSD doesn't trust itself to
update the Mac's Real-Time Clock during shutdown.  Basically, we don't
keep very good time due to the Mac's interrupt structure, so it's best if
we don't make the MacOS rely on our concept of time.

> I've formatted the drive multiple times and run block checks and
> everything comes out okay. While I'm running the problem doesn't get worse
> its only when shutting down and when leaving single user mode.

Yep - basically, those are times when the vm buffer cache gets flushed to
the disk.  And that's when the fun starts...  Try the SBC kernel.

> 
> 
> /*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*/*\*
> 
> Eric Wagner                               Phone : 313-647-5525
> 1962 Cooley Building                      Fax   : 313-763-4540
> University of Michigan                    E-Mail: wagnerer@umich.edu
> Ann Arbor, MI 48109                       WWW   : http://www.umich.edu/~wagnerer
> 
> Quote of the day:  If I had thought about it, I wouldn't have done the 
>                    experiment. The literature was full of examples that said 
>                    you can't do this. 
>                       -----Spencer Silver on the work that led to the unique adhesives for 3-M Post-It Notepads.
> 
> 

-----------------------------------------------------------------------------
| Paul Goyette       | PGP Public Key fingerprint:  | E-mail addresses:     |
| Network Consultant |     0E 40 D2 FC 2A 13 74 A0  |  paul@whooppee.com    |
| and kernel hacker  |     E4 69 D5 BE 65 E4 56 C6  |  paul_goyette@ins.com |
-----------------------------------------------------------------------------