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Date:      Thu, 18 Dec 1997 20:07:16 -0800
From:      Julian Elischer <julian@whistle.com>
To:        steve clawson <sclawson@bottles.cs.utah.edu>
Cc:        Terry Lambert <tlambert@primenet.com>, mike@smith.net.au, ivt@gamma.ru, freebsd-hackers@FreeBSD.ORG
Subject:   Re: panic: blkfree: freeling free block/frag
Message-ID:  <3499F2F4.3F54BC7E@whistle.com>
References:  <199712190321.UAA18957@bottles.cs.utah.edu>

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we just solved the problem terry was seeing.
if you are not using ipfw that aint it...

julian

steve clawson wrote:
> 
> Terry Lambert uttered:
> > > >      All nicely clustered...except for that sixth one.  At first I
> > > > thought that the clustering code was at fault, but disk block 79be0
> > > > was untouched, and the `real' disk block (179be0) had the correct data
> > > > for the new file.  So, the list of blocks in the inode was corrupted
> > > > sometime after the data blocks for the file were written.
> > >
> > > Single-bit memory error, perhaps?  Still, keep an eye on it...
> >
> > If this panic'ed, you need to look at the stack.  I would prefer you look
> > at the stack for #5.
> 
>     I don't have a crash dump of it, since I found the affected files
> before someone decided to try and delete them and panic the system.
> Not that it would have helped much in this case, since the corruption
> happened long before the panic.  Basically the problem I'm seeing
> leaves these time bombs sitting in the filesystem for you. =(
> 
> > I do not believe this is a single bit error.  I believe this is the same
> > problem I have been seeing.
> >
> > Does your ethernet hardware address begin with 00 00?
> 
>      Yes.  The machine has 3 active ether cards, all of which have
> hardware addresses that begin with 00 00.
> 
> 
> steve
> 
> --
> // stephen clawson                              sclawson@cs.utah.edu
> // university of utah



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