Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 17 Mar 1998 00:09:30 -0600
From:      Karl Denninger  <karl@mcs.net>
To:        Michael Hancock <michaelh@cet.co.jp>
Cc:        current@FreeBSD.ORG, dyson@FreeBSD.ORG
Subject:   Re: WARNING WILL ROBINSON! Risk of severe filesystem damage suspected
Message-ID:  <19980317000929.36464@mcs.net>
In-Reply-To: <Pine.SV4.3.95.980317145358.8814B-100000@parkplace.cet.co.jp>; from Michael Hancock on Tue, Mar 17, 1998 at 02:55:42PM %2B0900
References:  <19980316234921.07586@mcs.net> <Pine.SV4.3.95.980317145358.8814B-100000@parkplace.cet.co.jp>

next in thread | previous in thread | raw e-mail | index | archive | help
No.  I removed the entire source tree and re-extracted it.  If that was the
problem then there would be errors in the source files - there aren't.

--
-- 
Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin
http://www.mcs.net/          | T1's from $600 monthly / All Lines K56Flex/DOV
			     | NEW! Corporate ISDN Prices dropped by up to 50%!
Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS
Fax:   [+1 312 803-4929]     | *SPAMBLOCK* Technology now included at no cost

On Tue, Mar 17, 1998 at 02:55:42PM +0900, Michael Hancock wrote:
> Is it possible that the previous kernel quietly trashed your disks and it
> didn't manifest itself until after the last vm fix commit?
> 
> Regards,
> 
> Mike Hancock
> 
> On Mon, 16 Mar 1998, Karl Denninger wrote:
> 
> > ************ URGENT **************
> > 
> > I strongly advise that you *DO NOT* use -CURRENT as it sits at the 
> > present time.
> > 
> > The kernel you build may do SEVERE damage to your filesystems.  
> > 
> > I am working on finding the commit which is causing this and will post to 
> > the list as soon as I have identified it.  
> > 
> > This is not a trivial matter.  It is a very good thing indeed that I use a
> > scratch disk for my /usr/obj area, or I would be really rather upset. :-)
> > 
> > The symptoms are random core dumps and other problems - but the underlying
> > reason is that the filesystem has been trashed beyond belief!  
> > 
> > I unmounted the disk in question CLEANLY and found both partially truncated 
> > and duplicate inodes all over it, along with severe internal file damage.
> > 
> > I suspect the commit today in kern/vfs_cluster.c, as that's the only
> > filesystem or VM related commit that my first-level examination has found.
> > I am backing that out locally right now and will advise if it makes the 
> > problem go away.
> > 
> > Note that kernels built LAST NIGHT (3/15) at about 23:00 *do not* exhibit 
> > the problem.
> > 
> > --
> > -- 
> > Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin
> > http://www.mcs.net/          | T1's from $600 monthly / All Lines K56Flex/DOV
> > 			     | NEW! Corporate ISDN Prices dropped by up to 50%!
> > Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS
> > Fax:   [+1 312 803-4929]     | *SPAMBLOCK* Technology now included at no cost
> > 
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-current" in the body of the message
> > 
> 
> --
> michaelh@cet.co.jp                                http://www.cet.co.jp
> CET Inc., Daiichi Kasuya BLDG 8F, 2-5-12 Higashi Shinbashi, Minato-ku,
> Tokyo 105 Japan              Tel: +81-3-3437-1761 Fax: +81-3-3437-1766
> 

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19980317000929.36464>