rune usb-hdd boot?

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rune usb-hdd boot?

Postby andre_chang » 08 Jan 2019, 12:42

Hi
How can I make pi3b + boot with usb-hdd using rune?

If possible, please teach me how to operate. Thank you.

Thank you
andre_chang
 
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Re: rune usb-hdd boot?

Postby janui » 08 Jan 2019, 14:40

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Re: rune usb-hdd boot?

Postby andre_chang » 08 Jan 2019, 19:10

janui wrote:Hi andre_chang,

See here: https://www.raspberrypi.org/documentati ... des/msd.md

janui


Hi janui:
The Raspbian system has always been emphasized above!
I wonder if rune system is OK?
andre_chang
 
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Joined: 01 Feb 2016, 13:27

Re: rune usb-hdd boot?

Postby janui » 08 Jan 2019, 20:42

Hi andre_chang,
At this level (talking to the hardware) all the Linux variations for the Pi are very similar. Try using this:
Code: Select all
/opt/vc/bin/vcgencmd otp_dump | grep 17:
You can see that vcgencmd is called in a different way to Rasbian, but the command it is still there. For a Pi 3B+ the results look promising.
Trying it with a usb memory stick would be my next move.
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Re: rune usb-hdd boot?

Postby andre_chang » 09 Jan 2019, 18:16

janui wrote:Hi andre_chang,
At this level (talking to the hardware) all the Linux variations for the Pi are very similar. Try using this:
Code: Select all
/opt/vc/bin/vcgencmd otp_dump | grep 17:
You can see that vcgencmd is called in a different way to Rasbian, but the command it is still there. For a Pi 3B+ the results look promising.
Trying it with a usb memory stick would be my next move.
janui


Hi janui:
I have tested:
/ opt / VC / bin / vcgencmd otp_dump | grep 17
Show 17:3020000a
Raspberry succeeded! Enter Raspberry system normally!
But...
Rune failed!
Please janui check & test Rune usb-boot-mode?
Thank you
andre_chang
 
Posts: 37
Joined: 01 Feb 2016, 13:27

Re: rune usb-hdd boot?

Postby janui » 09 Jan 2019, 20:03

Hi andre_chang,
Even though I find it very interesting, I don't have the time at the moment to start experimenting with this topic and I will be away for the next couple of weeks. Hopefully I have a suggestion which may help you to the next step. If you look at this post: https://www.raspberrypi.org/blog/pi-3-b ... rage-boot/ It says that there are limitations. But you have already established that you can boot Rasbian on your usb device. So maybe the /boot/bootcode.bin needs updating (see the bottom of the posting). This is the link: https://github.com/raspberrypi/firmware ... otcode.bin You can download the file on your PC. The Rune image has two partitions on your boot device, one of which can be accessed by Windows on your PC. So if you plug in your Rune usb boot device on your PC (don't reformat anything, Windows will ask) you will be able to see one of these partitions. You should also be able to find the existing bootcode.bin file. Replace this with the one downloaded with the link. Try again.
janui
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Re: rune usb-hdd boot?

Postby janui » 09 Jan 2019, 20:29

Hi andre_chang,
Just another thought in addition to my last post... There is file in the same directory as bootcode.bin, called cmdline.txt. You can modify it with notepad on your PC. The Linux root is defined in this file as '/dev/mmcblk0p2'. I don’t think this is correct for a usb disk. Something like '/dev/sda2' or '/dev/sdap2' is probably what is required.
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Re: rune usb-hdd boot?

Postby andre_chang » 10 Jan 2019, 09:27

After I tested bootcode. bin coverage
Pi3 on-line LED red light. Green light is always on. HDMI screen does not respond, can not start!
I haven't changed the content of cmdline.txt.

This is raspberry cmdline.txt:
Dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 root=PARTUUID=025ce4e3-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet init=/usr/lib/raspi-config/init_resize.sh splash-serial-consoles.

This is Rune cmdline.txt:
Root=/ dev / mmcblk0p2 RW rootwait rootftfstype = ext4 console = ttyAMA0, 115200 console = tty1 SELinux = 0 plymouth. enable = 0 smsc95xx. turbo_mode = N dwc_otg. lpm_enable = 0 dwc_otg.fiq_enable = 1 c_otg.fiq_fsm_enable = 1 dwc_g.fifsm_enable = 1 dwc_g.q_fsm_mask = 0x3 console = ttyAMA0, 115200 console = tty1 SELinux = tty1 ttaam0, 115200smsc95xxx. enable = 0 smsc95xx. enable = 0 smsc95xx. v6. disable = 1 quiet

Maybe you should spend 20 minutes trying...
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