[systemd-devel] systemd inquiry

Mark Hounschell markh at compro.net
Thu Apr 12 05:25:32 PDT 2012


On 04/11/2012 05:12 PM, Kay Sievers wrote:
> On Wed, Apr 11, 2012 at 22:44, Mark Hounschell<markh at compro.net>  wrote:
>
>> Same thing. About 20 seconds after reaching the target, the device entries
>> show up.
>
> Does that block or return immediately?
>    rmmod<driver>;
>    modprobe<driver>; time udevadm settle
>
> Your driver creates the stuff async?

After booting up to graphical login:

rmmod dgdm
modprobe dgdm ; time udevadm settle

real    0m0.107s
user    0m0.000s
sys     0m0.000s

modprobe blocks until the process has completed.


It appears, by watching the boot screen, when using sysvinit the boot 
process pauses at a certain point until this has completed. It doesn't 
stop as soon as it starts, but it does pause nun the less. Using systemd 
it does appear to.

Regards
Mark


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