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Description of problem:
By adding console=tty to the kernel command line, there is no input box in the vga. As the results, it is unable to boot further.

# cat /proc/cmdline
ro root=/dev/mapper/VolGroup-lv_root rd_LVM_LV=VolGroup/lv_root rd_LUKS_UUID=luks-fb264012-c3c0-4582-ab76-23b4454215b3 rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rdshell rdinitdebug crashkernel=128M rd_LVM_LV=VolGroup/lv_swap console=tty

Version-Release number of selected component (if applicable):
dracut-004-29.el6.noarch
RHEL6.0-20100729.1

How reproducible:
always

and with dracut-004-27 "console=tty" works?

Not sure, and I did found a workaround - console=tty0 is working.

care to share your tricks? :)

changing "console=tty" to "console=tty0" cured the problem.

NOTABUG?

does "console=console" work? :-)