kernel-packages team mailing list archive

[Joe Barnett <thejoe@xxxxxxxxx>]

its a brand new machine, so haven't tried previous kernel, but the vivid
install image didn't even have the firmware for this particular chipset,
so brcmfmac didn't work out of the box.  will test with mainline kernel
and see what happens.

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https://bugs.launchpad.net/bugs/1487524

Title:
  Broadcom BCM43602 not seeing 5Ghz range

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  On a MacbookPro12,1 (2015 model), the wireless works with the brcmfmac
  on a wily install out of the box, but can't see any APs on the 5GHz
  range even though there are APs broadcasting on 5Ghz.

  03:00.0 Network controller: Broadcom Corporation BCM43602 802.11ac Wireless LAN SoC (rev 01)
  	Subsystem: Apple Inc. Device 0152
  	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 49
  	Region 0: Memory at a0800000 (64-bit, non-prefetchable) [size=32K]
  	Region 2: Memory at a0400000 (64-bit, non-prefetchable) [size=4M]
  	Capabilities: <access denied>
  	Kernel driver in use: brcmfmac

  $ sudo iwlist wlp3s0 scan|grep Freq
                      Frequency:2.412 GHz (Channel 1)
                      Frequency:2.422 GHz (Channel 3)

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.1.0-3-generic 4.1.0-3.3 [modified: boot/vmlinuz-4.1.0-3-generic]
  ProcVersionSignature: Ubuntu 4.1.0-3.3-generic 4.1.3
  Uname: Linux 4.1.0-3-generic x86_64
  ApportVersion: 2.18-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC3:  jbarnett   1545 F.... pulseaudio
   /dev/snd/controlC2:  jbarnett   1545 F.... pulseaudio
   /dev/snd/controlC1:  jbarnett   1545 F.... pulseaudio
   /dev/snd/controlC0:  jbarnett   1545 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Fri Aug 21 08:46:15 2015
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=dd225ec0-47f4-49d8-a51c-a2547f8eb945
  InstallationDate: Installed on 2015-08-21 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819)
  MachineType: Apple Inc. MacBookPro11,4
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.1.0-3-generic.efi.signed root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.1.0-3-generic N/A
   linux-backports-modules-4.1.0-3-generic  N/A
   linux-firmware                           1.146
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/05/2015
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP114.88Z.0172.B04.1506051511
  dmi.board.name: Mac-06F11FD93F0323C5
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro11,4
  dmi.chassis.type: 9
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-06F11FD93F0323C5
  dmi.modalias: dmi:bvnAppleInc.:bvrMBP114.88Z.0172.B04.1506051511:bd06/05/2015:svnAppleInc.:pnMacBookPro11,4:pvr1.0:rvnAppleInc.:rnMac-06F11FD93F0323C5:rvrMacBookPro11,4:cvnAppleInc.:ct9:cvrMac-06F11FD93F0323C5:
  dmi.product.name: MacBookPro11,4
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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