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Date:      Sun, 18 Jun 1995 18:17:00 -0700
From:      "Justin T. Gibbs" <gibbs@freefall.cdrom.com>
To:        Eric Chet <echet@coil.com>
Cc:        davidg@root.com, bugs@freebsd.org
Subject:   Re: Release 2.0.5 with Updated boot.flp 
Message-ID:  <199506190117.SAA13882@freefall.cdrom.com>
In-Reply-To: Your message of "Sun, 18 Jun 95 16:16:30 EDT." <199506182016.QAA17830@bronze.coil.com> 

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>> 
>> >the /usr mount was lost on either shutdown or boot up. It would work for 
>> >awhile, maybe a dozen cycles of bootup then it would loose /usr mount. I 
>> 
>>    Can you explain what you mean by "would lose the /usr mount"? I really ha
>ve
>> no idea what you're talking about. Do you mean that there is some sort of
>> filesystem corruption? If so, could you be more specific?
>> 
>> -DG
>> 
>
>I think I know what he is talking about.  I booted up my machine two days
>ago, and the /usr was not mounted.  Actually it was like it did not exist.
>Any ideas, this is on 2.0.5R the latest boot.flp.
>
>Eric -- echet@coil.com

Could this at all be related to my experience two nights ago?  Compiling
a "-g"'d kernel and suddenly processes start dying with sig 6,9,10, or 11.
Halt the system and reboot, and fsck eats /usr causing any future mounts
to state that the superblock is bad.  A fsck -b fails to find alternate
superblocks.  Fsck also did a good job of killing 95% of my data on partitions
that weren't even active during the failure.  I really believe that either
fsck was not moddified correctly when the immutible flags were added to
the filesystems, or is in general too agressive when performing clean up,
and now, you can't even mount a partition that is dirty to attempt to
recover data before going to fsck.  End result was a total re-install
on my home system (any thing of importance disapeared without even a
trace in the lost+found directory), but I will say that the single 
floppy install over PPP was nice.
--
Justin T. Gibbs
===========================================
  Software Developer - Walnut Creek CDROM
  FreeBSD: Turning PCs into workstations
===========================================



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