[systemd-devel] [script] Eject CD before shutdown

Philip Müller philm at manjaro.org
Sat Sep 15 02:44:34 PDT 2012

Since my distro is based on Archlinux I might go for the initrd-way.
Currently I'm testing the shutdown-script way ...

Am 15.09.2012 10:24, schrieb Philip Müller:
> Yes it is the root-disk. I managed it by overwritting all messages 
> with attached script.
> No issues at all. It displays my message and reacts as wanted. No 
> hangups etc.
> Am 14.09.2012 19:20, schrieb Lennart Poettering:
>> On Fri, 14.09.12 00:14, Philip Müller (philm at manjaro.org) wrote:
>>> So, seems to work. I attached my current scripts and two picutes
>>> with error messages.
>>> Also I added now *read -t 30* and fixed hanging by pressing the
>>> Enter-key. Is there any way
>>> to hide those error messages (seems the system still tries to read
>>> from CD after it got ejected),
>>> so my message gets displayed clean? Maybe there is a way to get it 
>>> cleaner.
>> You are ejecting the root disk? Well, that's difficult to get right.
>> You could transition back into an initrd of some kind and print the
>> message there:
>> http://www.freedesktop.org/wiki/Software/systemd/InitrdInterface
>> Or you could print this message from a script in
>> /usr/lib/systemd/system-shutdown and hope for the best. (And turn off
>> console printk output via /proc/sys/kernel/printk first). Since the
>> systemd-shutdown binary (which runs at the very end) locks itself into
>> memory you might be able to get away with that. That said, the initrd
>> thing is the only fix that would really get this right.
>> Lennart
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