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[ts-7000] Can't boot 7250 to Debian on USB drive

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Subject: [ts-7000] Can't boot 7250 to Debian on USB drive
From: "Mike Dodd" <>
Date: Sun, 30 Oct 2011 00:07:58 -0000
Help! I'm trying to boot a 7350 into Debian Sarge on a USB drive, but get a 
(Redboot, apparently) error message:

VFS: Cannot open root device "hda1" or 03:01
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 03:01

I fdisk'ed and formated my USB drive EXT2, downloaded and untarred 
debian-sarge-usb_default.tar.gz to the USB drive, using a PC running Debian 
Squeeze. An ls -l command to the mounted USB drive on that PC showed the same 
directory tree I see for ARM Sarge for NFS on my Linux server (and which a 7250 
boots okay).

I configured Redboot fconfig according to the TS ARM Linux manual with:

fis load vmlinux
exec -c "console=ttyAM0,115200 ip=192.168.1.52 root=/dev/hda1"

The 'Please append a correct "root=" boot option' message seems to indicate 
that Redboot doesn't like /dev/hda1, but it also doesn't like /dev/sda1. My USB 
drive is plugged into the lower USB port.

Does anyone have any idea what I should use to boot to the USB?

Thanks in advance.

--- Mike




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