[systemd-devel] udevd: increase maximum number of children

[Harald Hoyer]

On 28.11.2014 14:35, Robert Milasan wrote:
> On Fri, 28 Nov 2014 14:28:31 +0100
> "Harald Hoyer" <harald.hoyer at gmail.com> wrote:
> 
>>
>> I think what we are seeing here is, that module loading saturates the
>> udev workers here. So there are at least 16 modprobes (kmod) running
>> and this hinders further processing of the uevents.
>>
>> In theory we could increase arg_children_max before builtin_kmod()
>> and decrease it again afterwards.
>>
>> CC'ing Kay
>> _______________________________________________
> 
> Ok, I've decreased the arg_children_max number from CPU_COUNT * 256 to
> CPU_COUNT * 64. You where right, it was a bit too much.
> 

I doubt, that we need that much more workers for your bug report to boot faster.

Try passing --children-max=<num> in the systemd-udevd.service file and then
report the lowest number.