Comments on Version 6.0-testing-20040807

Alexander E. Patrakov patrakov at
Tue Aug 10 02:31:40 PDT 2004

Bryan Kadzban wrote:
> udevstart will work without hotplug, yes.
> But I *don't* think we'll catch everything just by running udevstart
> after loading all modules.  USB hardware, for example, will not modprobe
> anything when they are inserted (because the hotplug package is not
> installed, but even if it was, it wouldn't work because kernel hotplug
> support wouldn't be there).  If you plug a USB device in after bootup,
> the module for it (hid) may very well be loaded already from the modules
> bootscript, and you won't get any device file for it from udev
> (/dev/input/mouse1 for example) if you don't have hotplug support to
> re-invoke udev.

This applies only to computers that have hot-pluggable devices. This old 
Pentium doesn't have USB => nothing to actually hotplug. So for _this_ 
computer it is perfectly OK to disable CONFIG_HOTPLUG and still have 
working udev (since only udevstart is needed).

Alexander E. Patrakov

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