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with mount version 2.21.2 I get this error every time I try to mount a romfs image

sudo mount -t romfs mlsrc.img mp/
mount: unknown filesystem type 'romfs'

I am running arch linux with kernel 3.4.7

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2 Answers 2

romfs isn't a filesystem type that mount recognizes. Try mount -o loop mlsrc.img mp/.

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Same thing happens, unknown filesystem type 'romfs'. – alexhairyman Aug 10 '12 at 18:05
up vote 0 down vote accepted

Apparently, the Arch Kernel has been compiled without romfs support, so one must compile the kernel themselves with romfs support. Thank you to gtkmanfred on the arch linux irc channel #archlinux @ freenode. He pointed me to something called the ABS: here is how to use it to build the kernel:

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