Freedos boot floppy and claimed bugs

[ibid_ag]

Hello all,
I have a slightly outdated disk (~1 month) 1.44M image here:
http://cid-f785bf5e55218c8e.skydrive.live.com/self.aspx/.Public/DOS/fdboot.img?ccr=6115&lc=1033
for details, or
http://ldjbma.bay.livefilestore.com/y1p-09MGpJ0Ex2IieFdCTPZi6GpAX_jph5H6xaNt9tPQRQZyY3a8FV-EUILw5qsT2m76PR9ITrDY-ew9-pFYNO9VpI0toBmT-Dx/fdboot.img?download


for the direct link.
Built with BFI & QEMU.
This might be usable for building a livecd image (Eltorito & UIDEJR
drivers used).
I listed a few applications (both included and omitted) I deem useful in
the comments.

I have _not_ tested 1498&1499, only 1497 (essentially same as kernel
release 2039).
On another note, 2039 allegedly does not work with Breadbox (HAVE NOT
VERIFIED); a standing "bug" is the 1 UMB provider limit.
GEM/XM runs.

The kernel may need to "work around" the Linux VFAT patent avoidance HACK
in Linux kernel 2.6.30+, which writes 100% illegal names to the SFN entry
when LFNs are used.  Christian was going to include a workaround in Rx-DOS
(NASM GPL code); it may help to see that.

Ibidem






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[Christian Masloch]

> The kernel may need to "work around" the Linux VFAT patent avoidance HACK
> in Linux kernel 2.6.30+, which writes 100% illegal names to the SFN entry
> when LFNs are used.  Christian was going to include a workaround in  
> Rx-DOS
> (NASM GPL code); it may help to see that.

RxDOS isn't finished yet, and I don't really want to push a single source  
code file for this. I could send a detailed description to the list  
however, so a kernel developer could adapt the same workaround. (As  
mentioned, the workaround doesn't only work around the Linux hack but also  
allows access to some other "unaccessible" files [device names..] or files  
with corrupted names.)

Regards,
Christian

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[dos386]

> The kernel may need to "work around" the Linux VFAT patent avoidance HACK
> in Linux kernel 2.6.30+, which writes 100% illegal names to the SFN entry
> when LFNs are used.  Christian was going to include a workaround in Rx-DOS
> (NASM GPL code); it may help to see that.

COOL. Now really nobody can whine about the "evil" FAT+ hack violating the
saint FAT spec by MacroSoft saying that no file may have more than "4GB" ...
:-D :-D :-D :-D :-D :-D :-D :-D :-D :-D :-D :-D :-D






--
~~~ wow ~~~

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[Christian Masloch]

Am 21.10.2009, 03:47 Uhr, schrieb dos386 <dos386@...>:

>> The kernel may need to "work around" the Linux VFAT patent avoidance  
>> HACK
>> in Linux kernel 2.6.30+, which writes 100% illegal names to the SFN  
>> entry
>> when LFNs are used.  Christian was going to include a workaround in  
>> Rx-DOS
>> (NASM GPL code); it may help to see that.
>
> COOL. Now really nobody can whine about the "evil" FAT+ hack violating  
> the
> saint FAT spec by MacroSoft saying that no file may have more than "4GB"  
> ...

That doesn't make sense. VFAT isn't associated with file sizes at all.

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