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[Bug 1448567] Re: Ubuntu 15.04 - Macbook Pro Early 2015 (12, 1) no 5 GHz wireless

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Alberto Salvia Novella <es20490446e@xxxxxxxxx>
Date: Sat, 16 May 2015 12:45:35 -0000
Reply-to: Bug 1448567 <1448567@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: network-manager (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1448567

Title:
  Ubuntu 15.04 - Macbook Pro Early 2015 (12,1) no 5 GHz wireless

Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  Fresh install of 15.04 on a Macbook Pro 12,1.

  >Network controller [0280]: Broadcom Corporation BCM43602 802.11ac
  Wireless LAN SoC [14e4:43ba] (rev 01)

  I copied brcmfmac43602-pcie.bin
  (https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-
  firmware.git/plain/brcm/) into /lib/firmware/brcm which enabled the
  wireless to pick up some SSIDs, but not all (almost positive the only
  ones seen are 2.4GHz).

  ---

  I was referred to this document:
  https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

  Then I ran:

  $ lspci -vvnn | grep -A 9 Network
  03:00.0 Network controller [0280]: Broadcom Corporation BCM43602 802.11ac Wireless LAN SoC [14e4:43ba] (rev 01)
   Subsystem: Apple Inc. Device [106b:0133]
   Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
   Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
   Latency: 0, Cache Line Size: 256 bytes
   Interrupt: pin A routed to IRQ 62
   Region 0: Memory at c1400000 (64-bit, non-prefetchable) [size=32K]
   Region 2: Memory at c1000000 (64-bit, non-prefetchable) [size=4M]
   Capabilities: <access denied>
   Kernel driver in use: brcmfmac

  I find the PCI device ID here:
  https://wireless.wiki.kernel.org/en/users/Drivers/brcm80211#brcmfmac
  (Chipset BCM43602, ID: 14e4:43ba)

  I dropped the relevant firmware files from the repo given a bit
  further down that page (repo:
  https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-
  firmware.git/tree/brcm) into /lib/firmware/brcm/

  ...still no 5 GHz.

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