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M.2 SSD and OAP raspberry pi 4
#1
I am trying to get OAP to run from my SSD drive it worked on my PI3 but they have changed they way the PI4 runs usb devices
I found if you copy your sdcard with rsync -avx then change your cmdline.txt file located in your /boot/ and add root=/dev/sda1 rootfstype=ext4 rootwait to the end of the only line of txt in the file you should mostly be on your ssd drive but what is happening is it has locked root and will not boot every time actually it only booted twice in several hours but it was fast as can be has anyone else tried this or have any idea what could be causing this problem
Thanx in advance
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#2
(07-27-2019, 09:20 AM)mauiredman Wrote: I am trying to get OAP to run from my SSD drive it worked on my PI3 but they have changed they way the PI4 runs usb devices
I found if you copy your sdcard with rsync -avx then change your cmdline.txt file located in your /boot/ and add root=/dev/sda1 rootfstype=ext4 rootwait to the end of the only line of txt in the file you should mostly be on your ssd drive but what is happening is it has locked root and will not boot every time actually it only booted twice in several hours but it was fast as can be has anyone else tried this or have any idea what could be causing this problem
Thanx in advance

I haven’t tried yet. Have you seen this article? It seems there is a known issue booting the RP4 from SSD or Flash. https://www.tomshardware.com/news/boot-r...39782.html
Thanks, Frank
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#3
(07-27-2019, 06:22 PM)frankpintosr Wrote:
(07-27-2019, 09:20 AM)mauiredman Wrote: I am trying to get OAP to run from my SSD drive it worked on my PI3 but they have changed they way the PI4 runs usb devices
I found if you copy your sdcard with rsync -avx then change your cmdline.txt file located in your /boot/ and add root=/dev/sda1 rootfstype=ext4 rootwait to the end of the only line of txt in the file you should mostly be on your ssd drive but what is happening is it has locked root and will not boot every time actually it only booted twice in several hours but it was fast as can be has anyone else tried this or have any idea what could be causing this problem
Thanx in advance

I haven’t tried yet. Have you seen this article? It seems there is a known issue booting the RP4 from SSD or Flash. https://www.tomshardware.com/news/boot-r...39782.html
Yes i have read that article thanks. It works fine with raspbian OS for the raspberry pi 4
but just can't get it to run on this Open Auto Pro Im thinking they must have a custom kernel and i don't have the time yet to actually check out the distro they have put together
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