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Description of problem:
If there is no option specified on boot command line, anaconda fails to start with init backtrace. Screenshot attached.

As error message in backtrace claims, local variable GError* has to initialized to NULL.

This issue didn't occur with RHEL-6.0.

Impact: No or very low impact, it is not blocking installation, actually every supported installation method very likely contain at least some options on boot command line.

Version-Release number of selected component (if applicable):
anaconda-13.21.100

Steps to Reproduce:
1. Use grub to load kernel and initrd,
2. keep kernel image alone on the line without any option.

Created attachment 481850 [details]
backtrace screenshot

Promised screenshot

Created attachment 481851 [details]
patch

Proposed patch

This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has 
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed 
products. This request is not yet committed for inclusion in an Update release.

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0530.html