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[GuyS <1360887@xxxxxxxxxxxxxxxxxx>]

I'll add my voice to this bug report as well. A MacBook (2nd gn white
cover model) with latest Kubuntu (Linux jstalnak-MacBook
3.18.3-031803-generic #201501161810 SMP Fri Jan 16 18:12:22 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux). This issue exists with all current
kernels (3.16.x) and with kernels 3.18.3-031803 and 3.19.0-031900 both
with the latest bwmc kernel source. Without the bwmc kernel source the
enet/wireless is dead. With the bwmc kernel source in 3.18.3 all works,
but the log entries continue. With kernel 3.19.0 networking works, but
sound is dead, and log entries continue. Using one of the commandline
ttys is impossible, as the error output interferes with entering
passwords at the login prompts.

The frequency is about an entry per second in the kern.log and
syslog.log. They begin at dmesg time point 150+ after boot concludes, so
quite quickly after start up.

<dmesg>
[  100.532832] nouveau W[    PCE0][0000:02:00.0] disabled, PCE0=1 to enable
[  101.180152] nouveau W[    PCE0][0000:02:00.0] disabled, PCE0=1 to enable
[  157.623413] ERROR @wl_dev_intvar_get : error (-1)
[  157.623432] ERROR @wl_cfg80211_get_tx_power : error (-1)
</dmesg>

My present kern.log has 113,000+ "wl_cfg80211" entries. Which also makes
using these logs for any purpose pragmatically impossible; given that
the wl_dev and wl_cfg occur in pairs, that's 226,000 lines of utterly
useless data.

How can I help?

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https://bugs.launchpad.net/bugs/1360887

Title:
  ERROR @wl_cfg80211_get_tx_power : error (-1)

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Description:    Ubuntu 14.04.1 LTS
  Release:        14.04
  Ubuntu 3.13.0-34.60-generic 3.13.11.4

  
  Packages:
  linux-headers-3.13.0-34 ---- 3.13.0-34.60
  linux-headers-3.13.0-34-generic ---- 3.13.0-34.60
  linux-image-3.13.0-34-generic ---- 3.13.0-34.60
  linux-image-extra-3.13.0-34-generic ---- 3.13.0-34.60
  linux-libc-dev:amd64 ---- 3.13.0-34.60
  bcmwl-kernel-source ---- 6.30.223.141+bdcom-0ubuntu2

  Error flooding syslog and dmesg:

  [  849.335833] ERROR @wl_dev_intvar_get : error (-1)
  [  849.335837] ERROR @wl_cfg80211_get_tx_power : error (-1)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-34-generic 3.13.0-34.60
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  Uname: Linux 3.13.0-34-generic x86_64
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  waver      3036 F.... pulseaudio
   /dev/snd/controlC0:  waver      3036 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Sun Aug 24 21:08:12 2014
  HibernationDevice: RESUME=UUID=8c728597-f27b-4e83-a813-c25f6b076b7d
  InstallationDate: Installed on 2012-03-01 (906 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
  MachineType: Gigabyte Technology Co., Ltd. X58A-UD3R
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-34-generic root=/dev/mapper/jupiter-root ro quiet splash nomodeset ipv6.disable=1 acpi_enforce_resources=lax crashkernel=384M-:128M vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-34-generic N/A
   linux-backports-modules-3.13.0-34-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/16/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F8a
  dmi.board.name: X58A-UD3R
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF8a:bd05/16/2011:svnGigabyteTechnologyCo.,Ltd.:pnX58A-UD3R:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnX58A-UD3R:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: X58A-UD3R
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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