From: Carsten Fischer (cally@cs.tu-berlin.de)
Date: 03/16/93


From: cally@cs.tu-berlin.de (Carsten Fischer)
Subject: Re: [Problem] Lx0-99p7 trashes my FS (again) !
Date: 17 Mar 1993 02:33:23 GMT

curtis@cs.berkeley.edu (Curtis Yarvin) writes:

>I've had this problem, often but not repeatably often, under _both_ 0.98.4
>and 0.99.4. The first was a kernel with a lot of special-purpose mods
>I'd made myself, which might possibly have been at fault; but the 0.99.4
>kernel was stock SLS.

I never had a problem with this release ...

>The symptoms: when I do an fsck on boot, there is a huge list of messages
>of the form 'Block has been used before. Now in file %s'; 'Zone %d: marked
>in use, no file uses it'; and, I think, some block numbers out of range.
>This happens when I'm checking a 64MB minix partition, not yet mounted.

Yup --- Exactly what efsck reported to me ...

>When the system comes up, those files which have been mentioned are
>corrupted, missing data or containing garbage. If I run fsck again, it
>will often report the same problems again and again; sometimes it seems
>to clean a few things up, but it doesn't recover the missing data.

I reproduced this 2 times (on my /tmp -- 30MB efs: cp -rv /usr/bin /tmp).
efsck was /unable/ to correct this until I deleted the trashed files ...

>I've lost a lot of time and data from all of this, and would be REAL
>PLEASED to see it fixed. I can't reproduce it but will do whatever
[...]
                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
I *can* ...

        --cf

-- 

* Carsten Fischer * Zastrowstr. 7 * W-1000 Berlin 42 * Germany * * e.mail : cafi@callys.lbcmbx.sub.org || cally@cs.tu-berlin.de * ==============================================================================