<div dir="ltr">Looking at blockdev.c I believe that usb disks are listed as ud so I tried root (ud0) with no luck so far.<br><br>filo> root (ud0)                                                                <br>filo> kernel /boot/vmlinuz                                               <br>                                                                                <br>Error 15: File not found                                                        <br>filo>               <br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Oct 11, 2014 at 4:39 PM, Vipin Gahlaut <span dir="ltr"><<a href="mailto:gailu96@gmail.com" target="_blank">gailu96@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div>Hi Experts,<br><br></div>I am trying to boot Linux from USB using coreboot and FILO and not able to find any documentation what parameter should I set on FILO prompt. I have enabled USB support while building FILO and libpayload.<br><br></div><div>Booting from hard disk works fine as below.<br></div><div>Start qemu with -hda disk.img option and give following on FILO prompt<br><filo>root (hd0)<br><filo>kernel /boot/vmlinuz-2.6.20 root=/dev/hda console=ttyS0<br></div><div><filo>boot<br></div><br></div>Now I am trying to boot from USB and start qemu with <br>-usbdevice disk:disk.img<br><br></div>I am not finding any information what parameter should I set. I tried using root (hd0) (hd1) (sd0) FILO is not able to find my kernel image in /boot/<br><br></div>See errors below.<br><br>filo> root (hd1)                                                                <br>filo> kernel /boot/vmlinuz-2.6.20                                               <br>Drive 1 does not exist                                                          <br>                                                                                <br>Error 15: File not found                                                        <br>filo> root (sd0)                                                                <br>filo> kernel /boot/vmlinuz-2.6.20                                               Unknown device type: sda                                                        <br>                                                                                <br>Error 15: File not found                                                        <br>filo> root (hd0)                                                                <br>filo> kernel /boot/vmlinuz-2.6.20                                               <br>Drive 0 does not exist                                                          <br>                                                                                <br>Error 15: File not found                                                        <br>filo>                       <br><br></div>Can someone please let me know what is expected device name for the usb I enabled in qemu?<br></div>
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