[Dnsmasq-discuss] [PATCH] Delay DHCP replies for Raspberry Pi clients

Albert ARIBAUD albert.aribaud at free.fr
Wed Mar 29 16:02:52 BST 2017


Le Wed, 29 Mar 2017 14:48:48 +0200
Floris Bos <bos at je-eigen-domein.nl> a écrit:

> The PXE boot firmware implementation of the Raspberry Pi 3
> has a bug causing it to fail if it receives replies
> instantly.
> As a workaround ensure there is a minimum delay of one
> second if the client is a Pi.
> On Linux it looks up the exact receive time of the UDP
> packet with the SIOCGSTAMP ioctl to prevent multiple
> delays if multiple packets come in around the same time,
> or if there already was a delay caused by a ping check.

Just a side question: can't / won't the boot firmware be fixed?


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