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Bug#130893: marked as done (boot-floppies: new boot disk made at end of installation takes forever to load)



Your message dated Thu, 13 Oct 2005 16:20:32 -0400
with message-id <20051013202032.GA29224@kitenet.net>
and subject line boot-floppies end of life
has caused the attached Bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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Received: (at submit) by bugs.debian.org; 26 Jan 2002 07:41:47 +0000
>From aty@mintaka.sdsu.edu Sat Jan 26 01:41:47 2002
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From: Andrew T.Young <aty@mintaka.sdsu.edu>
Subject: boot-floppies: new boot disk made at end of installation takes forever to load
To: submit@bugs.debian.org
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Message-Id: <20020126074142.C6920FEC1@aty786.sdsu.edu>
Date: Fri, 25 Jan 2002 23:41:42 -0800 (PST)
Delivered-To: submit@bugs.debian.org

Package: boot-floppies
Version: N/A
Severity: wishlist

At the end of the installation process, a new "custom boot floppy" is
made that mounts the newly-installed root filesystem.  This disk is
first formatted (apparently by superformat) with interleave 1.

Unfortunately, if you try to boot from this diskette, it takes about 10
minutes to load.  Whatever is going on in the boot process takes just
a bit too much time to catch floppy sectors as they go by, so you have
to wait a whole revolution of the diskette (0.6 sec) to pick up the
next sector.  With 18 sectors/track, this mean over 10 seconds per track.

NOTE: this is not due to a sluggish machine, as I originally suspected
when I put Debian on a 100 MHz 486 system.  It is still a problem with
my new 1400 MHz Athlon system.

I dd'ed the boot-diskette image to a file, and re-copied it to a floppy
formatted with interleave 2 (use -i 2 as arguments to superformat).
Now the system loads in less than a minute from the new boot-floppy!

I realize it takes a bit longer to format the floppy with interleave 2
instead of interleave 1 (approximately twice as long, as 2 rotations are
required to verify each track).  But this seems a small cost, compared
to the agonizing wait for the interleave-1 diskette to load --
particularly if one's setup is odd, so that booting from a floppy is
necessary (my clonemaker put the hard disks on the second ide
controller, so the BIOS doesn't find them to boot from.)

A curious sidelight on this problem is that the *installation* diskettes
read at maximum speed, without a hitch.  In particular, the "rescue.bin"
diskette loads in a minute.  This suggests that whatever loader is being
used on the new boot-floppy is wasting a lot of time somewhere; maybe
the *correct* solution to the problem is to fix the loader installed on
the new boot floppy, rather than change its interleave ratio.

-- System Information
Debian Release: 2.2
Kernel Version: Linux aty786 2.2.19-ide #1 Sat Jun 9 13:24:48 EST 2001 i686 unknown


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Date: Thu, 13 Oct 2005 16:20:32 -0400
From: Joey Hess <joey@kitenet.net>
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Subject: boot-floppies end of life
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I'm closing all bug reports filed on the boot-floppies since this
codebase has reached its end of life. boot-floppies is only in Debian
oldstable now (and temporarily in unstable because of bug #224469).

The new installer for sarge and beyond is of course, the
debian-installer. It solves a great many issues present in the
boot-floppies.

If you believe that your boot-floppies bug is still present in
debian-installer somehow, then please reopen the bug report and reassign
it there, or perhaps better, file a new bug report.

--=20
see shy jo

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