md as root and RB_ASKNAME

["Jared Momose" <jpmomose%hotmail.com@localhost>]

When md is used as the root device, the kernel always prompts the console 
user to specify a root device. This is a bit annoying as it prevents the 
kernel from booting completely without user interaction.

This problem occurs because the RB_ASKNAME flag for boothowto is set when 
the function finddevice:kern_subr.c fails to find the correct device. My 
solution was to add a small section of code in kern_subr.c that, if the 
kernel option MEMORY_DISK_IS_ROOT is set, will allow finddevice:kern_subr.c 
to search the list of md devices (fakemdrootdev) for a match before it 
searches the list of auto detected devices (alldevs). This change is nearly 
identitical to that made for RAID.

Has anyone solved this problem in a different way?

jared.

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