bin/174711: [fdc] Floppy drive 5.25" 360Kb bug.

[Eitan Adler]

The following reply was made to PR bin/174711; it has been noted by GNATS.

From: Eitan Adler <lists at eitanadler.com>
To: Emil Mamedov <emil80386 at yahoo.com>
Cc: FreeBSD-gnats-submit at 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 at 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 at FreeBSD.org <FreeBSD-gnats-submit at FreeBSD.org> wrote:
 >
 > From: FreeBSD-gnats-submit at FreeBSD.org <FreeBSD-gnats-submit at FreeBSD.org>
 > Subject: Re: i386/174711: Floppy drive 5.25" 360Kb bug.
 > To: "Emil Mamedov" <emil80386 at 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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 > To unsubscribe, send any mail to "freebsd-i386-unsubscribe at freebsd.org"
 
 
 
 -- 
 Eitan Adler