Red Hat Bugzilla – Bug 500066
/dev/fd0 is missing on FC11-Preview (x86-amd64)
Last modified: 2013-03-05 22:58:25 EST
Description of problem:
/dev/fd0 is not present on FC11-Preview (x86-amd64).
So, for example, grub-install --recheck fd0 fails.
And an entry in /etc/modprobe.d/whatever.conf for the floppy module
would not help, because of this.
I would have thought, adding it manually by MAKEDEV /dev/fd0 would
generate it. While the device file /dev/fd0 itself was generated,
access to the floppy drive was still not working, yet, in that
the green LED of the floppy drive did never stop flashing, once
I had entered grub-install (fd0).
As if it were going on writing and writing and writing...
Without ever coming to an end.
Now, some data was indeed written to the floppy disk by that
grub-install fd0 command, but apparently not completely correctly.
Booting from such a floppy did not result in any output to the screen
at all. So no menu and not even one of those notorious grub errors.
Removing and reloading the floppy module did not help.
Version-Release number of selected component (if applicable):
FC11-Preview on an x64-AMD64 architecture.
Every time I boot FC11-Preview.
Steps to Reproduce:
1. Install FC11-Preview on a computer with floppy drive.
2. Boot it.
3. See: No /dev/fd0.
4. You could run MAKEDEV /dev/fd0, but this does not solve the problem,
as the LED of the floppy drive keeps flashing all the time.
No automatically established /dev/fd0
/dev/fd0 being present right from the start up.
Well, the floppy drive can be accessed without any problems under
fedora 10. And from the FC10 grub I can boot the FC11-Preview installation.
Same happen to me on Intel P4 system after inline upgrade to rawhide today.
The reason for #4 (floppy drive keeps flashing all the time) is probably caused by autoload of module "floppy", which tries to access the floppy disk even if none is inserted.
/var/log/messages shows in this case:
Jun 7 14:49:07 * kernel: Floppy drive(s): fd0 is 1.44M
Jun 7 14:49:07 * kernel: FDC 0 is a post-1991 82077
Jun 7 14:49:07 * kernel: end_request: I/O error, dev fd0, sector 0
Jun 7 14:49:07 * kernel: gvfsd-computer: segfault at 0 ip 0051b9b3 sp bfba0ca8 error 4 in libc-2.10.1.so[4a3000+16b000]
Jun 7 14:49:09 * kernel: end_request: I/O error, dev fd0, sector 0
Jun 7 14:49:11 * kernel: end_request: I/O error, dev fd0, sector 0
Jun 7 14:49:13 * kernel: end_request: I/O error, dev fd0, sector 0
BTW: this segfault looks not good anyway.
@Reporter: pls. change prio of this bug to high, this looks not good for being in the initial release.
BTW: hal should afaik take care about this in some way, so pls. change component to "hal"
This bug appears to have been reported against 'rawhide' during the Fedora 11 development cycle.
Changing version to '11'.
More information and reason for this action is here:
Not a HAL bug, HAL doesn't do this kind of hardware setup. I'll try DeviceKit-disks and davidz will have a better idea than me of where to re-assign (kernel?).
I can report the same problem in F12: Trying to mount a floppy disk is rejected. Only after manually inserting the module "floppy", the mount is possible (Kernel: 22.214.171.124-145.fc12.i686.PAE). "MAKEDEV fd0" generates /dev/fd0, but it's forgotten after the next reboot.
Putting "/sbin/MAKEDEV fd0" in /etc/rc.local could be a workaround.
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