On 05/30/2016 11:05 AM, Stefan Niestegge wrote:
> I was able to boot the 4.1.20-mac-scsi+ kernel

Good.

> Now the hen/egg problem comes up. The Mac boots up, and i can only look
> at the screen and wait for it to enter screensaving mode.

Yeah, typing is rather difficult without keyboard support ;).

>> On 05/30/2016 03:05 AM, Finn Thain wrote:
>>> Without ADB, you will need a network login service (e.g. sshd) and/or 
>>> serial console. The getty on /dev/ttyS0 or /dev/ttyS1 used to be 
>>> configured in /etc/inittab, but I never tried that with systemd.
> 
> I can't login via serial, nor telnetd or sshd because none is configured.

For serial, you need to pass the necessary parameters to the
kernel command line in your boot loader, see:

> https://wiki.archlinux.org/index.php/working_with_the_serial_console

>> Am 30.05.2016 um 08:26 schrieb John Paul Adrian Glaubitz:
>> Just pass "console=ttyS0,19200,8n1" on the console and you're set.
>>
>> There is no special requirement to get the serial console work with
>> systemd, it's just configured as read-only by default, e.g. you
>> just get the boot messages. But just passing the above parameters
>> will spawn a login shell on ttyS0.
>>
>>
> How can i do that without keyboard? I have a PC with Linux and RS232 as
> well as a cable to connect to modem jack of the Mac.
> The Mac is also connected to Ethernet as well as my PC.

These options are passed on the kernel command line, i.e. *before*
booting the kernel.

Which bootloader are you using?

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaub...@debian.org
`. `'   Freie Universitaet Berlin - glaub...@physik.fu-berlin.de
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