Ubuntu

When root on USB: add rootdelay=xx to kernel command line

Registered by jojo4u

There is a five seconds pause between detection of new USB devices and it's registration (see dmesg). This might cause that init does not find a root device and panics. I'd suggest to add a detection wether root lies on a USB-device and add rootdelay=10 or any other value to the kernel command line.

Debian bug report about the issue of failed mounting : http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=401916
Blog post about implementation of rootdelay: http://www.reactivated.net/weblog/archives/2005/11/booting-linux-userland-from-an-external-usb-flash-disk/

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