[BL] USB and the digital camera

sindi keesan keesan at sdf.lonestar.org
Tue Nov 29 21:21:24 EST 2005


On Tue, 29 Nov 2005, David Moberg wrote:

> On Sat, Nov 26, 2005, sindi keesan <keesan at sdf.lonestar.org> wrote:
>>> I am currently building some floppies, so if you want to wait that is probably
>>> your best option.
>>
>> Many thanks, I will wait.
>
> One 1.44M floppy image is ready now:
>
> http://us.share.geocities.com/davidjmoberg/linux-usb.tar.gz
>
> A usage example is included in the README.

The README says to insert a good 'formatted' 1.44M floppy. I presume you 
mean a floppy disk that you formatted, so you know it has no bad sectors, 
since linux will be overwriting the formatting. I tried with an 
unknown-quality disk and got two 'bad sector' type errors while using dd, 
but not on the vt where I was running dd.

If I format the same disk under dosemu, I get the same error messages, 
on the dosemu terminal, about track 23 head 1 sector 14 size 2, sector 
859, track 24.....  Preparing FAT area.  So I have a way to format a DOS 
disk in linux but I don't think linux is happy with these disks.

1,474,560 bytes total disk space
1,457,664 bytes available on disk.

A second disk had the same exact results.  Different brand.
A third one seems to be okay, no error message, but same number of 
available bytes.  It looks like dosemu format actually formatted the first 
two disks, but warned me of bad sectors which it skipped but which dd 
might not skip.  Why does linux (including dosemu format) find more space 
than DOS format does?

dd is working on this third disk.  I will report back if it does not boot, 
and try to test it on the card reader tomorrow.

insmod  loop
mount -o loop 1440.img /mnt
ls /mnt

I see not loadlin or lilo but syslinux.   Is this smaller or easier to set 
up?  Also 'linux' (file system) and initrd.gz (with ramdisk rather than 
loop module?)

> This disk includes 2.4.31 + modules, busybox, uclibc, full
> svgalib and zgv. /etc contains 3 files, modified from BL3.
>
> I will try to fix my website's index.html and merge the
> previous USB packages with this tar.gz package. I also
> want to add some more disk images, but that may take
> longer.

How will these disk images differ from this one?  If it works, this one is 
going overseas in a week with the CF camera and card reader.

>
> David
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keesan at sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org



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