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iMAC with Broadcom 14e4-1686 BCM57766 : link status down
2017-02-03, 18:30 (This post was last modified: 2017-02-03 18:55 by SebastianRoth.)
Post: #6
RE: iMAC with Broadcom 14e4-1686 BCM57766 : link status down
Hi NiKiZe,

thanks heaps for getting back so quickly. Hope we can figure this one out with your help.

(2017-02-02 22:43)NiKiZe Wrote:  please test with the official ipxe git master. (so not the fog sources)
go in to the shell, enter dhcp, and then ifstat and post the result of the whole process.

Definitely a good idea to try the very latest ipxe code although we are not much behind. Usually Tom is updating to the latest every two or so weeks.

(2017-02-02 22:43)NiKiZe Wrote:  since this is a tg3 only issue test this with: make bin-x86_64-efi/tg3.efi DEBUG=tg3,tg3_hw,tg3_phy
that will also eliminate the possible issue of wireless.
Also worth a try but I doubt that it will get around the wireless. See this video - from sec 5 to sec 10 - to me this looks like tg3 is also recognizing net1 (wireless adapter).
Here is a screenshot showing the same without debug - first net1 and then net0, weird:

Just found this (from - not sure if this is of any help but definitely good to have the PCI IDs of all the devices in those iMac 17,1 machines. 14e4:43ba should definitely not be recognized by any of the iPXE drivers. But why do we see net1 and net0?!?
Quote:Broadcom Corporation BCM43602 802.11ac Wireless LAN SoC [14e4:43ba]

Take care,
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RE: iMAC with Broadcom 14e4-1686 BCM57766 : link status down - SebastianRoth - 2017-02-03 18:30

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