Re: anyone uses floppy on sun4m?

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

> > > > Has anyone ever used sun4m floppy drive on NetBSD/sparc kernel?
> 
> Several years ago I installed 1.6 from netinstall floppies on an SS5
> and occasionally used the floppy drive. I can't recall any problems.

Okay, my SS20 with HyperSPARCx4 always gets timeout on floppy access,
but it might be SS20 or HyperSPARC specific issue.

I found Solaris also had a patch for 150MHz hyperSPARC:
http://sunsolve.sun.com/search/document.do?assetkey=1-21-107389-01-1
"SunOS 5.6: fd floppy won't work after upgrading to 150MHZ hyperSPARC"

I'll check if OpenSolaris driver handles any quirks.
http://cvs.opensolaris.org/source/xref/sparks/sparks-hg/usr/src/uts/sun/io/fd.c

> > Note 1.6.1 floppies work fine on SS1+.
> 
> But the 1+ is sun4c architecture, isn't it?

Yes (that's why I asked if it works on sun4m).

I meant that 1.6.1 installer itself didn't have problem.
All relreases after 2.0 had certain problems around floppy install:

PR/42193: "tar zxpf /dev/rfd0a" fails (though /dev/fd0a works)
PR/32379: disk2 overflow (fixed before 3.1)
PR/42186: bootloader fails with "Data Access Exception" (fixed in HEAD)
PR/42146: disk2 overflow again (workarounded in HEAD)
PR/42192: new MI softint(9) isn't handled properly (workarounded in HEAD)

1.6: works on SS1+
2.0: tar fails: PR/42193
3.0: tar fails: PR/42193, PR/32379
3.1: won't boot: PR/42186, tar fails: PR/42193
4.0: ditto
5.0: won't boot: PR/42186, can't read: PR/42192, tar fails: PR/42193, PR/42146

If my SS20 problem is HyperSPARC specific and not a new problem,
I'll commit workaround for PR/42193 (/dev/rfd0a -> /dev/fd0a)
and send pullup requests for PR/42146, 42186, 42192, and 42193.
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Izumi Tsutsui