Bug 98580 - Problems with umounting floppy accindentally mounted in / (root)
Problems with umounting floppy accindentally mounted in / (root)
Product: Red Hat Linux
Classification: Retired
Component: mount (Show other bugs)
i386 Linux
medium Severity low
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Assigned To: Elliot Lee
Brian Brock
Depends On:
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Reported: 2003-07-03 18:02 EDT by Sebastian Zavadschi
Modified: 2007-04-18 12:55 EDT (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2003-07-30 16:34:26 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Sebastian Zavadschi 2003-07-03 18:02:18 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624

Description of problem:
Accidentally, I have typed "mount /dev/fd0 /" and after that, I can not umount
from root and I get the message "device is busy". I mounted again my root
partition, but /dev/fd0 is still mounted. I have no problem to use my Linux
without reboot, but my friends on Fr33B$D go to reboot their systems :-)

It's very strange... I know, the ROOT account have all the rights, but, how to
prevent from accidentally damages. I think, in this case, the "mount" command
must be limited with special parameters to do this operation.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. mount /dev/fd0 /
2. umount -f /dev/fd0 (device is busy)

Actual Results:  The floppy is mounting on / and remain mounted until reboot.
I'm also able to re-mount my / partition back, but fd0 is still mounted.

Expected Results:  1. No access to vital mount poits
2. Or, somehow to unmount the device/filesystem

Additional info:
Comment 1 Elliot Lee 2003-07-30 16:34:26 EDT
Problem: administrator error
Solution: Don't do that

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