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Created attachment 1279255 [details]
OS install error report

Description of problem:
OS installation with RHEL 7.4 Alpha ISO build fails at the beginning with "unknown error". When we start installation OS installation, the initrd image gets loaded and we get the "Welcome" screen and get option to select the language. After we select the language and click "continue" button, an error screen is displayed that states "An unknown error has occurred". This will abort the OS installation process. (refer attached screen shot).

The error window allowed us to collect the logs to report the bug. The report log is attached for reference. 

This issue is not always reproducible. This occurs intermittently, and sometime when we reboot the server and restart the OS installation, it succeeds.


Version-Release number of selected component (if applicable):
OS: RHEL 7.4 Alpha build.

Created attachment 1279256 [details]
Installation error screen shot

Please could you attach output of command
nmcli -f all device show
run in installer shell (Ctrl-Alt-F2)
when the error occurs?

*** This bug has been marked as a duplicate of bug 1443114 ***

(In reply to Radek Vykydal from comment #3)
> Please could you attach output of command
> nmcli -f all device show
> run in installer shell (Ctrl-Alt-F2)
> when the error occurs?

Im attaching the output of nmcli output.

Created attachment 1280326 [details]
nmclie -f output

Thank you, it confirms that you are really hitting the same issue as bug 1443114 which is going to be fixed in RHEL 7.4 by a NetworkManager fix.