Date: Sun, 5 May 2013 15:50:01 GMT From: Eitan Adler <lists@eitanadler.com> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/174711: [fdc] Floppy drive 5.25" 360Kb bug. Message-ID: <201305051550.r45Fo1WG094410@freefall.freebsd.org>
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The following reply was made to PR bin/174711; it has been noted by GNATS.
From: Eitan Adler <lists@eitanadler.com>
To: Emil Mamedov <emil80386@yahoo.com>
Cc: FreeBSD-gnats-submit@freebsd.org
Subject: Re: bin/174711: [fdc] Floppy drive 5.25" 360Kb bug.
Date: Sun, 5 May 2013 11:42:09 -0400
Can you please email me the files or even better, a diff(1) of the
files? The attachment got list
On 5 May 2013 10:54, Emil Mamedov <emil80386@yahoo.com> wrote:
> Dear reader!
>
> I've seen my old bug report about 5.25" DD floppy disk. During last months,
> I've fixed numerious bugs in the standart FreeBSD 8.3 floppy driver (fdc.c)
> and floppy utilites.
>
> First.
> The file fdcio.c set has #define for DD disk in HD drive, but #define for
> DD disk in DD drive has missed. I changed transfer rate from 300kbps to 250kbps
> and also sector gap from 0x23 to 0x2A. However DD disks in HD drives
> need to speed 300kbps and sector gap 0x23.
>
> Second.
> I've found that my DD floppy drive has "Ready" signal (pin 34)
> instead "Disk Change". I've opened RY jumper and was able to mount diskette.
> I set fd.0.flags="0x10"(drive doesn't support changeline),
> but this flag hasn't effect. In the case of RY jumper is installed,
> I can not mount DD floppy. Flag FD_NO_CHLINE doesn't work properly.
>
> Third.
> System doesn't detect absence disk in the DD FDD and too long
> positions floppy drive heads during boot process.
>
> Fourth.
> System anomally long unmount diskettes (previously mount with:
> mount_msdos -o rw
> even if I did not made writing files to diskette! I really don't sure
> that is a bag, maybe it is the feature of file systems' driver?
>
> Fifth.
> Autoselect floppy works properly in the case DD floppy disk in a 1.2Mb(HD) FDD,
> flag FL_2STEP set properly. But I can read cylinder 0 only (first 18 sectors).
> Under MS-DOS DD disk in HD drive is read/wrote properly. I seem that code
> appropriating FL_2STEP flag doesn't works properly.
>
> Sixth.
> When I run fdformat utility question "y/n" appears.
> But if I print "n" system long positions heads and only after
> this returns to command prompt. I think, system must be returning
> to command prompt immediately after "n".
>
> My modifications.
> I've added code which recognize FD_NO_CHLINE flag, changed function fdautoselect
> (for found sectors per track), corrected and renamed #define variables in fdcio.h
>
> I've found that implied seek (on enhanced fdc) make 2step operations
> impossible. I've added code by disabling implied seek when FL_2STEP
> flag is enable. Also, I've made many small changes.
>
> In the fdcontrol utility I've exluded unnecesarry flag [-a].
> I've found flag [-d dbg] in the fdcontrol "usage", but this flag
> doesn't appropriating code. I've deleted [-d] flag from "usage".
> I've deleted string return(0) from if (showfmt)...{} operator.
> Also, I've made some small changes.
>
> In the fdformat utility I've exluded y/n request.
>
> Also, I've edited the file fdutil.c and made small changed in the fdcontrol
> and fdformat man pages.
> The file fdcio.h has in the 2 location: "/usr/include/sys" and "/usr/sys/sys".
>
> All my changes in the attachment tarball floppy.tgz.
> I hope for you authority comments.
> With kindest regards, Emil.
>
> --- On Tue, 12/25/12, FreeBSD-gnats-submit@FreeBSD.org <FreeBSD-gnats-submit@FreeBSD.org> wrote:
>
> From: FreeBSD-gnats-submit@FreeBSD.org <FreeBSD-gnats-submit@FreeBSD.org>
> Subject: Re: i386/174711: Floppy drive 5.25" 360Kb bug.
> To: "Emil Mamedov" <emil80386@yahoo.com>
> Date: Tuesday, December 25, 2012, 11:40 PM
>
> Thank you very much for your problem report.
> It has the internal identification `i386/174711'.
> The individual assigned to look at your
> report is: freebsd-i386.
>
> You can access the state of your problem report at any time
> via this link:
>
> http://www.freebsd.org/cgi/query-pr.cgi?pr=174711
>
>>Category: i386
>>Responsible: freebsd-i386
>>Synopsis: Floppy drive 5.25" 360Kb bug.
>>Arrival-Date: Wed Dec 26 07:40:00 UTC 2012
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--
Eitan Adler
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