Fedora 18 not booting after lots of successful boot ups

[takCoder]

Hi All,

I'm new in fedora world and here's my first unsolved problem there.. It's
an un-reasoned hang during boot up of a healthy system..

 I have installed fedora 18 on a ssd, followed a given process to install
required packages of my goal system, and it was working fine before..

Today I powered my system up and it hanged during boot up.. using 'e' key
and changing gfxpayload value to text showed me this error:
Starting Bluetooth Service...
systemd-readahead[416]:  Failed to open pack file: Read-only system

I googled it but I could not find the given error..

Actually there is no need for bluetooth service on my system, but I can't
figure it out what exactly the error is.

Would someone please give me a hand on this? I would really appreciate
that..

Kind regards,
takcoder
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