Red Hat Bugzilla – Bug 200191
blkid does not rewrite blkid.tab as documented in the man page.
Last modified: 2009-07-14 12:56:43 EDT
The command "blkid -c /dev/null -w /etc/blkid/blkid.tab" is supposed to ignore
all previous values and regenerate the blkid.tab file.
However instead it preserves the previous values and appends the new ones -
which given that mount takes the first matching value from the file does
Also a solution to the problem of upgrading from FC5 release to the latest
kernel on S-ATA systems is needed (not sure if e2fsprogs is the appropriate
place for a fix). The problem is that /dev/sda1 is cached as the device with
label /BOOT from the installation, and that it's now /dev/hda1 with the latest
Maybe we should just have blkid.tab regenerated at boot time as soon as root
is mounted read-write?
wow. blkid actually completely ignores the -w option, at least in recent versions.
Well, it parses it, and sets the "write" variable to a value, and never looks at
it again. :(
FWIW, http://thunk.org/hg/e2fsprogs/?rev/ad62cded89a8 broke this functionality.
(4 years ago)
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I can confirm that this is still an issue upstream.
I just tested this on Fedora 8. It seems that the bug is a little different
now. According to strace the
command "blkid -c /dev/null -w /etc/blkid/blkid.tab" will never
open /etc/blkid./blkid.tab (the -w option seems to be ignored) and it writes
the data out to /dev/null.
Changing version to '9' as part of upcoming Fedora 9 GA.
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