On 2020-11-22, Vagrant Cascadian wrote:
> On 2020-11-22, Benedikt Spranger wrote:
>> after a fresh install of Debian "bullseye" the first reboot got stuck
>> after  "Starting kernel ..."
...
>> U-Boot 2020.10+dfsg-1+b1 (Nov 19 2020 - 03:18:11 +0000) Allwinner
>> Technology
...
>> Scanning mmc 1:1...
>> Found U-Boot script /boot.scr
>> 2225 bytes read in 2 ms (1.1 MiB/s)
>> ## Executing script at 4fc00000
>> 22744944 bytes read in 1003 ms (21.6 MiB/s)
>> 28403 bytes read in 5 ms (5.4 MiB/s)
>> 30071341 bytes read in 1326 ms (21.6 MiB/s)
>> Booting Debian 5.9.0-2-arm64 from mmc 1:1...
>> Moving Image from 0x40080000 to 0x40200000, end=41850000
>> ## Flattened Device Tree blob at 4fa00000
>>    Booting using the fdt blob at 0x4fa00000
>> EHCI failed to shut down host controller.
>>    Loading Ramdisk to 48352000, end 49fffa2d ... OK
>>    Loading Device Tree to 0000000048348000, end 0000000048351ef2 ... OK
>>
>> Starting kernel ...
...
> I'll test on a few of my systems to see if I can reproduce the issue.

I can confirm similar behavior on a pinebook, although the kernel does
boot and actually load, and eventually displays on the LCD display (if I
"setenv console" from u-boot commandline). It even responds
appropriately to ctrl-alt-delete, so it is not a completely hung
kernel...

It definitely gets as far as the initrd for me, as setting break=top in
the boot arguments stalls out with a blank screen, and setting
break=premount it actually manages to load the LCD and keyboard drivers
... and then stalls out before giving me a shell where it would be
easier to do some actualy debugging... :/

So I doubt it is u-boot misbehaving, but have not yet identified where
exactly the problem is... though I have some suspicions in the boot
script and thus flash-kernel.


live well,
  vagrant

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