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[Robert Ancell <robert.ancell@xxxxxxxxxxxxx>]

I'm not seeing this problem since at lease 3.11.0-5-generic. Thanks!

** Changed in: linux (Ubuntu)
       Status: Incomplete => Fix Released

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https://bugs.launchpad.net/bugs/1215633

Title:
  14e4:4727 Wireless driver fails with hardware watchdog - doesn't reset

Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  Since a recent upgrade (kernel 3.11?) my wireless has gone unstable.

  Fails every few hours, dmesg shows:

  [ 1373.827739] brcmsmac bcma0:0: phyerr 0x1, rate 0x1414
  [ 1373.827800] brcmsmac bcma0:0: brcms_c_ampdu_dotxstatus_complete: ampdu tx phy error (0x1)
  [ 1373.832108] brcmsmac bcma0:0: phyerr 0x1, rate 0x1414
  [ 1373.832122] brcmsmac bcma0:0: brcms_c_ampdu_dotxstatus_complete: ampdu tx phy error (0x1)
  [ 1373.960962] brcmsmac bcma0:0: wl0: PSM microcode watchdog fired at 1325 (seconds). Resetting.
  [ 1373.960979] brcmsmac bcma0:0: wl0: fatal error, reinitializing
  [ 1373.962829] ieee80211 phy0: Hardware restart was requested

  Fixed either by reboot or turning wireless hardware switch on and off.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-3-generic 3.11.0-3.7
  ProcVersionSignature: Ubuntu 3.11.0-3.7-generic 3.11.0-rc6
  Uname: Linux 3.11.0-3-generic x86_64
  ApportVersion: 2.12.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  bob        2026 F.... pulseaudio
   /dev/snd/controlC0:  bob        2026 F.... pulseaudio
  CheckboxSubmission: e440e09ef58a53bccc45087674ba6b8e
  CheckboxSystem: d00f84de8a555815fa1c4660280da308
  Date: Fri Aug 23 09:19:22 2013
  HibernationDevice: RESUME=UUID=f814ef09-fc2f-475a-ab7c-52697870801d
  InstallationDate: Installed on 2011-04-01 (874 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
  MachineType: Dell Inc. Vostro 3500
  MarkForUpload: True
  ProcFB:
   0 inteldrmfb
   1 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-3-generic root=UUID=6c20ea74-9ae6-400e-b5b2-6f148c4e3209 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-3-generic N/A
   linux-backports-modules-3.11.0-3-generic  N/A
   linux-firmware                            1.113
  SourcePackage: linux
  UpgradeStatus: Upgraded to saucy on 2011-07-05 (778 days ago)
  dmi.bios.date: 10/25/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0NVXFV
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A10
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A10
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd10/25/2010:svnDellInc.:pnVostro3500:pvrA10:rvnDellInc.:rn0NVXFV:rvrA10:cvnDellInc.:ct8:cvrA10:
  dmi.product.name: Vostro 3500
  dmi.product.version: A10
  dmi.sys.vendor: Dell Inc.

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