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Date:      Thu, 28 Sep 2000 16:27:26 +0100
From:      Daniel Bye <Daniel.Bye@uk.uu.net>
To:        "'questions@freebsd.org'" <questions@freebsd.org>
Subject:   mount /dev/fd0 /mnt process never completes
Message-ID:  <FB7CAC781DB6D311BEE800805FE6FADA2F4C24@camexch4.cam.uk.internal>

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Hi all,

I am trying to mount a floppy disk on /dev/fd0 at /mnt, but the process
never completes.  It is written to the process table, as witnessed by ps
aux:

root       342  0.0  0.0   344  212  p0  D     2:43PM   0:00.33 mount
/dev/fd0

Note that when I write this, it is 4:23pm - almost two hours after I ran
mount -t msdos /dev/fd0 /mnt (running with any other -t option, or no -t
option at all doesn't work any better.)

The only way to free the device, is to reboot the machine.  kill -9 has no
effect (man ps says that the state D is uninterruptible, and brutha, do they
mean it!!)  

I am running 4.1-RELEASE, with an SMP kernel.  The hardware is a Compaq
Proliant 1850, with an NEC 72065B (apparently...) floppy drive.

dmesg:
<---snip--->
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
<---snip--->

I have just noticed this little lot in the dmesg as well:

fdc0: direction bit not set
fdc0: cmd 3 failed at out byte 1 of 3
fdc0: direction bit not set
fdc0: cmd 13 failed at out byte 1 of 4
fdc0: Re-enable FIFO failed
fdc0: direction bit not set
fdc0: cmd 8 failed at out byte 1 of 1
fdc0: sense intr err reading stat reg 0
fdc0: direction bit not set
fdc0: cmd 8 failed at out byte 1 of 1
fdc0: sense intr err reading stat reg 0
fdc0: direction bit not set
fdc0: cmd 8 failed at out byte 1 of 1
fdc0: sense intr err reading stat reg 0
fdc0: direction bit not set
fdc0: cmd 8 failed at out byte 1 of 1
fdc0: sense intr err reading stat reg 0
fdc0: direction bit not set
fdc0: cmd 7 failed at out byte 1 of 2
fdc0: direction bit not set
fdc0: cmd 3 failed at out byte 1 of 3
fdc0: direction bit not set
fdc0: cmd 13 failed at out byte 1 of 4
fdc0: Re-enable FIFO failed

Any ideas?

Dan Bye
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