floppy0: no floppy controllers found
 

First, if I boot into Slackware with floppy disk, the system can recognize my floppy disk. But if I boot into Slackware via harddrive, the system didn't recognize my floppy.
In start up screen I got this message:
.................................
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
Real Time Clock Driver v1.10e
Floppy drive(s): fd0 is 1.44M
floppy0: no floppy controllers found
RAMDISK driver initialized: 16 RAM disks of 7777K size 1024 blocksize
loop: loaded (max 8 devices)

...................................

I use grub boot loader 0.94. I have similar problem in Redhat9. The problem when away if I use Lilo as boot loader. But that is not just only solution. I can use grub and the system can recognize my floppy disk if I compile kernel and enable floppy disk support as module not built into kernel. This is not problem because I will upgrade my kernel. By the way, I use Fedora Core 1, and the grub worked well that the system recognize my floppy disk with default kernel.

I am just curios. Why?

"I am just curios. Why?"

The problem may be that you have the floppy driver as a loadable module and floppy.o is never loaded. Try issueing:
modprobe floppy
and then try to mount a floppy.

You can check to see if floppy.o exists with:
find /lib -iname "*floppy*"

--------------------------
Steve Stites

# modprobe floppy
can't locate module floppy

# find /lib -iname "*floppy*" didn't show up any result.

You do not have a floppy driver installed.

Slackware handles installing drivers differently from other distributions. Most distributions install every driver possible and then load the ones that you actually need with initrd. Slackware probes all of your hardware during install and only installs drivers for hardware that you actually have. So my guess is that your floppy was unplugged or powered off when you installed Slackware and so Slackware did not install floppy.o

The two ways to fix this problem are to reinstall Slackware with all hardware turned on or to recompile your kernel with floppy support enabled.

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Steve Stites