Mark Kettenis wrote on 04/12/2019 03:03 PM:
From: Jagan Teki <ja...@amarulasolutions.com>
Date: Fri, 12 Apr 2019 12:02:06 +0530

On Fri, Mar 22, 2019 at 2:31 AM Jonathan Liu <net...@gmail.com> wrote:

Hi Jagan,

On Fri., 22 Mar. 2019 at 4:05 am, Jagan Teki <ja...@amarulasolutions.com> wrote:

On Tue, Mar 19, 2019 at 11:09 AM Jonathan Liu <net...@gmail.com> wrote:

Old sunxi kernels fail to boot with ARMV7_LPAE enabled.

Any idea why? I don't have relevant stuff with to test this.

I don't know why. It failed to boot linux-sunxi 3.4.104 kernel on A20 OLinuXino-MICRO 
after updating from 2018.07 to 2018.09-rc1 and would hang at "Starting 
kernel...".

I bisected the issue to:
https://git.denx.de/?p=u-boot.git;a=commit;h=d32e86bde8a31a49cf4a9b233ad91ecdfc96ba2a

No problems booting mainline kernel.

Can you update full details of bug on the commit message.

Technically I think the right thing to do would be disabling
ARMV7_VIRT as my understanding is that booting into HYP mode doesn't
work without LPAE support.

Some days ago I tried to disable HYP mode for SVC mode.
But with SVC the PSCI is not loading (u-boot bug?), and without PSCI
only the 1st core of the CPU gets used. I had documented the case here:
https://lists.denx.de/pipermail/u-boot/2019-April/364192.html



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