Hi Eliphas,
> 
> > > I'll format one tape at home with the current kernel, 2.2.16, to see if
> > > this occurs here.
> > 
> > No need. There indeed was a problem, but only when formatting tapes
> > with unreadable header-segments (or when running ftformat with the
> > "--discard-header" option).
> 
> too late. already tested. ':)

:-o

> the options I use is --mode=auto and --format-parameters qic80-307ft
>  
> > There was a buffer overflow caused by some intialized variables. Fixed
> > in ftape-tools-1.09.
> 
> Using 1.09 now, but I was not having this problem before, so I think this
> overflow is not causing it (here).

It was only triggered with unreadable header segments or with the
"--discard-header" option.

> I took one tape which I was never used after formatting, and tried to
> format again, and this appears in dmesg (but really the tape is formatted
> ok)
> 
> [030] 0      ftape-read.c (ftape_read_header_segment) - no readable header segment 
>found.
> [031] 0     zftape-read.c (zft_read_header_segments) - 
>ftape_read_header_segment(zftape->ftape, zftape->hseg_buf) failed: -4.
> [032] 0   zftape-ctl.c (mtiocrdftseg) - zft_def_idle_state(zftape) failed: -4.
> 
> latest version of ftape...
> 
> if you think this is a problem, I have time to make other tests.

This doesn't look good. Did you ever tried to write something to the
tape? Otherwise, maybe you could try to format again with

ftformat --mode=auto --format-parameters qic80-307ft --discard-header

If this succeeds please try to do the following

a) try to make a sample backup up (and collect error messages if any)

b) try to format again WITHOUT the "--discard-header" option

Thank you for wasting your time :-)

Claus

-- 
  Claus-Justus Heine             
  [EMAIL PROTECTED]
  http://www.instmath.rwth-aachen.de/~heine/

  Ftape - the Linux Floppy Tape Project
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