Need help on understanding hardware detection

Saqlain Abbas saqlain.abbas.7 at
Mon Aug 19 07:53:17 EDT 2013

have a look at will give you a nice idea...


On Mon, Aug 19, 2013 at 4:47 PM, Tao Jiang (姜涛) <jiangtao.jit at>wrote:

> Hi All:
>         I did some search on "how does linux kernel detect hardware?" and
> got what udev is.
>         I konw Linux kernel will send a netlink message to udevd.
>         But I still do not understand how the kernel can decide to send a
> netlink message.
>         What happend before the netlink message?
>         Take an usb stick for example, what will happen and what the
> kernel do from the very beginning of it been plugged in?
>         Thank you for advance. Any references will be appreciated.
> --------------
> Tao Jiang (姜涛)
> 2013-08-19
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at

Kind Regards,
Saqlain Abbas.
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