>> >> >> > > > > Mine has as of yet failed to boot on any of them.
>> >> >> > > >
>> >> >> > > > Mine is currently running 4.8.1-1.fc25 without issues, just
>> >> >> > > > upgrading it to the latest now to test that too.
>> >> >> > >
>> >> >> > > Was running 4.8.2-300.fc25.armv7hl+lpae, upgraded to
>> >> >> > > 4.8.4-301.fc25 without any issues. Could you post output of
>> >> >> > > your
>> >> failure?
>> >> >> > >
>> >> >> > > Paul
>> >> >>
>> >> >> You might have better luck with a more recent version of U-Boot.
>> >> >> I'm running U-Boot 2016.11-rc2 with 4.8.4-301.fc25 on sata.
>> >> >>
>> >> >>
>> >> >
>> >> > That made sense to me so I upgraded to the uboot that you are using
>> >> > but
>> >> same problem.
>> >>
>> >> Do you have any extra peripherals added like a mPCIe card, camera or
>> >> other such things or is it just the base board? What device do you
>> >> have the rootfs on? eMMC, SD or SATA?
>> >>
>> >> I have mine running as a bare device with the OS on the eMMC, I think
>> >> Paul might have the OS on a sata SSD. Just trying to work out what if
>> >> any differences there are here as there's not much that can be different.
>> >>
>> >
>> > Thanks Peter!
>> >
>> > Mine is yet another variation.  It is a bare board with the boot partition 
>> > on an
>> SD card and the root filesystem on an SSD.  I left the original eMMC
>> untouched until I upgraded the uBoot.
>>
>> The u-boot is on SPI nand not the eMMC so I suspect then you didn't even
>> touch it.
>>
>> > The only thing other than the SDcard and the SSD is the serial console.
>> >
>> > Just for kicks I tried an LPAE kernel and the first time I booted it got 
>> > some
>> kenel oops that I had not seen before but I was not logging the console 
>> output
>> so I turned on capture and tried again but have not seen that kernel oops
>> since.
>> >
>> > For some reason my board is not seeing the sata controller (or not getting 
>> > it
>> initialized properly) on 4.7 and 4.8 kernels but does on 4.6.7.
>>
>> Is it pulled into the initrd? Do you see the driver with a "lsinitrd | grep 
>> ahci"
>>
>> > Tim Krantz
>> >
>
> Well when booting fails with 4.8.4-lape it finally drops into a Dracut 
> command prompt with no lsinitrd

No, do it when booted against a 4.6.x kernel, you can specify the
actual initrd on the cmd line....

> But all I see in to console logs is about a half dozen of :
>
> tegra-ahci 70027000.sata: couldn't get PHY in node sata: -517

Looks like it's not getting either appropriate power to the controller
or some module deps are failing to be pulled into the initrd
correctly.

> and that is the only reference to ahci
>
> In a good boot on 4.6.7 I do see the driver loaded with lsinitrd | grep ahci.
>
> Tim
>
>
>
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