On Fri, 24 Oct 2014 12:36:44 +0100, Mick wrote: > I understand that udev needs or used to need uevent_helper, but I am > not clear if I should or should not enable this module in a new kernel > I'm rolling. Can you please advise: > > > CONFIG_UEVENT_HELPER: > > The uevent helper program is forked by the kernel for > every uevent. > Before the switch to the netlink-based uevent source, this was > used to hook hotplug scripts into kernel device events. It > usually pointed to a shell script at /sbin/hotplug. > This should not be used today, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> because usual systems create > many events at bootup or device discovery in a very short time > frame. One forked process per event can create so many processes > that it creates a high system load, or on smaller systems > it is known to create out-of-memory situations during bootup. It's a legacy setting, introduced so you can turn off this feature. Presumably it defaults to Y for compatibility but I've been following the advice and running without it for some time now - on desktops and servers. -- Neil Bothwick WinErr 004: Erroneous error - Nothing is wrong
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