Re: The state of Arm64 on Raspberry Pi (and its Documentation
Can't be a real program, it doesn't have a man page. I just installed
it (on a Pi under Raspbian) because I'm looking for a way to put
Buster or Bullseye on my Pinebook Pro SSD. Which is going to need
drivers and firmware. The best thing I've seen is
https://github.com/daniel-thompson/pinebook-pro-debian-installer but
it uses GPT. It's a script for running debootstrap and it gets the
drivers and firmware from somewhere. I just need to figure out how to
not have it use GPT.
Anyway I don't see anything in this vmdb2 about drivers and firmware.
vmdb2 --help gets me:
Usage: vmdb2 [options]
Options:
--version show program's version number and exit
-h, --help show this help message and exit
--generate-manpage=TEMPLATE
fill in manual page TEMPLATE
--output=FILE write output to FILE, instead of standard output
--image=FILE create image file FILE
-v, --verbose verbose output
--no-verbose opposite of --verbose
--size=SIZE size of output image
--rootfs-tarball=FILE
store rootfs cache tar archives in FILE
Configuration files and settings:
--dump-setting-names
write out all names of settings and quit
--dump-config write out the entire current configuration
--no-default-configs
clear list of configuration files to read
--config=FILE add FILE to config files
--list-config-files
list all possible config files
--help-all show all options
Logging:
--log=FILE write log entries to FILE (default is to not write log
files at all); use "syslog" to log to system log,
"stderr" to log to the standard error output, or
"none" to disable logging
--log-level=LEVEL log at LEVEL, one of debug, info, warning, error,
critical, fatal (default: debug)
--log-max=SIZE rotate logs larger than SIZE, zero for never (default:
0)
--log-keep=N keep last N logs (10)
--log-mode=MODE set permissions of new log files to MODE (octal;
default 0600)
Peformance:
--dump-memory-profile=METHOD
make memory profiling dumps using METHOD, which is one
of: none, or simple (no meliae support
anymore)(default: simple)
--memory-dump-interval=SECONDS
make memory profiling dumps at least SECONDS apart
On 4/5/20, Florian La Roche <florian.laroche@googlemail.com> wrote:
> Hello deloptes,
>
>
> Am Di., 31. März 2020 um 19:37 Uhr schrieb deloptes <deloptes@gmail.com>:
>>
>> Pete Batard wrote:
>> > Also please bear in mind that the Pi Foundation adds a lot of quirks to
>> > their 32-bit kernels, some of which have yet to find their way in
>> > mainline aarch64. Raspbian is a very custom as a kernel.
>>
>> Very interesting notes. I was planning to try debian kernel or custom
>> kernel
>> build on debian. What I tried recently is do raspbian network boot
>> (diskless) and yesterday did debootstrap from within raspbian of a debian
>> buster armhf. The supplied kernel did not work (of course), so I was
>> going
>> to look into that, but I am wondering now, after reading this, if I
>> should
>> take arm64 instead of armhf.
>>
>> For now I use the raspbian kernel in debian, but as you say it is 32 and
>> I
>> am not into the details, so thank you for the hints.
>>
>> Does it mean one should prefer arm64 and take a newer 5.x kernel?
>
>
> I am using a 5.6.2 arm64 kernel without any GUI on a raspi3, works for me.
>
> You can use the current Debian kernel and add also current
> raspberry-pi-patches to
> recompile the kernel. A script doing this is available here (also
> works as native compile
> as well as a cross-compile):
> https://github.com/laroche/arm-devel-infrastructure/blob/master/vmdb2-debian/kernel5.sh
>
> Compiled binary kernels (for armhf and arm64) can also be downloaded
> for kernel 5.4.20, 5.4.28, 5.5.15, 5.6.2 from:
> https://github.com/laroche/arm-devel-infrastructure/releases
> I often try to also compile newer upstream releases, even if the
> Debian kernel sources
> are not yet rebased (mostly just disabling patches completely if I
> don't need them).
>
> Instead of using the Debian installer, I can also recommend to use
> "vmdb2" to create a
> ready-to-use image. That can also be generated on any normal
> amd64/x86_64-PC and does
> not require a running arm64/armhf setup:
> https://github.com/laroche/arm-devel-infrastructure/blob/master/vmdb2-debian/debian-rpi3-arm64.yaml
>
> best regards,
>
> Florian La Roche
>
>
--
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