[Pkg-sysvinit-devel] Bug#575204: Bug#575204: initscripts: grep complains about invalid back reference in umountfs

Petter Reinholdtsen pere at hungry.com
Wed Mar 24 09:15:00 UTC 2010


[Sven Joachim]
> Upon a reboot, I noticed grep complaining about an invalid back
> reference.

Interesting.  I did not show up when I tested it, so I suspect it is
related to your setup.

> Running this script leads to a "grep: Invalid back reference" error
> message here.  For the reference, these are the contents of
> /proc/mounts:
[...]
> | /dev/disk/by-label/\134x2f / ext2 rw,relatime,errors=remount-ro,barrier=1,data=writeback 0 0

This is the only one I can imagine lead grep to look for a
back-reference (the \134 part).

This sound a bit like the udev/mount incompatibility, where mount and
udev encode special characters differently.

Not quite sure how to fix it properly.  What kind of device is this?
How can I reproduce the setup leading to such strange device name?

Happy hacking,
-- 
Petter Reinholdtsen





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