Mark, I tried removing the usb stick, and it ended up with the error:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) Rebooting in 180 seconds.. I tried several times, it cannot even get to the busybox. Zhiwei On Wed, Jan 20, 2010 at 3:37 PM, Mark Wagner <[email protected]>wrote: > Hi Zhiwei, I'm not sure if this will help, but have you tried removing the > usb stick? > > Mark > > On Wed, Jan 20, 2010 at 11:45 AM, Zhiwei Liu <[email protected]> wrote: > >> Jason, >> >> I was trying to update the uboot for my roach board following the >> instruction from: >> http://casper.berkeley.edu/wiki/ROACH_kernel_uboot_update >> But I cannot interrupt the booting process, it always boots from the USB >> stick. (I save the bootcmd environment to run usbboot) >> I tried every key to stop the booting process(ctrl-c, ctrld-d, ctrl-z, >> space, etc.), no one works. >> Is there any way I can interrupt the booting process, so I can type the >> uboot command, following the update procedure. >> Or is there any way I can clear the uboot environment without booting into >> the uboot. >> >> -- >> Zhiwei Liu >> > > -- Zhiwei Liu
