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** Changed in: linux (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/941695 Title: 14e4:4727 Broadcom BCM4313 random AP disconnects and network hang Status in Linux: Confirmed Status in linux package in Ubuntu: Won't Fix Status in linux package in Arch Linux: New Bug description: Using the brcmsmac driver I'm experiencing random AP disconnects and network hangs. I can usually come out of a hang by reconnecting using the network manager. I'm unable to try the STA driver as this appears to be uninstallable at this time although I would prefer to use the free driver. I got a lot of the following in kern.log during the issues Feb 27 00:30:10 lenny kernel: [ 455.059482] ieee80211 phy0: brcms_c_ampdu_dotxstatus_complete: Pkt tx suppressed, illegal channel possibly 2 Feb 27 00:30:10 lenny kernel: [ 455.059494] ieee80211 phy0: AMPDU status: BA Timeout, seq 264, in_transit 15 Feb 27 00:30:10 lenny kernel: [ 455.059517] ieee80211 phy0: AMPDU status: BA Timeout, seq 265, in_transit 14 Feb 27 00:30:10 lenny kernel: [ 455.059522] ieee80211 phy0: AMPDU status: BA Timeout, seq 266, in_transit 13 Feb 27 00:30:10 lenny kernel: [ 455.059527] ieee80211 phy0: AMPDU status: BA Timeout, seq 267, in_transit 12 Feb 27 00:30:10 lenny kernel: [ 455.059532] ieee80211 phy0: AMPDU status: BA Timeout, seq 268, in_transit 11 Feb 27 00:30:10 lenny kernel: [ 455.059539] ieee80211 phy0: AMPDU status: BA Timeout, seq 269, in_transit 10 Feb 27 00:30:10 lenny kernel: [ 455.059544] ieee80211 phy0: AMPDU status: BA Timeout, seq 270, in_transit 9 Feb 27 00:30:10 lenny kernel: [ 455.059550] ieee80211 phy0: AMPDU status: BA Timeout, seq 271, in_transit 8 Feb 27 00:30:10 lenny kernel: [ 455.059556] ieee80211 phy0: AMPDU status: BA Timeout, seq 272, in_transit 7 Feb 27 00:30:10 lenny kernel: [ 455.059561] ieee80211 phy0: AMPDU status: BA Timeout, seq 273, in_transit 6 Feb 27 00:30:10 lenny kernel: [ 455.059566] ieee80211 phy0: AMPDU status: BA Timeout, seq 274, in_transit 5 Feb 27 00:30:10 lenny kernel: [ 455.059572] ieee80211 phy0: AMPDU status: BA Timeout, seq 275, in_transit 4 Feb 27 00:30:10 lenny kernel: [ 455.059576] ieee80211 phy0: AMPDU status: BA Timeout, seq 276, in_transit 3 Feb 27 00:30:10 lenny kernel: [ 455.059581] ieee80211 phy0: AMPDU status: BA Timeout, seq 277, in_transit 2 Feb 27 00:30:10 lenny kernel: [ 455.059587] ieee80211 phy0: AMPDU status: BA Timeout, seq 278, in_transit 1 Feb 27 00:30:10 lenny kernel: [ 455.059592] ieee80211 phy0: AMPDU status: BA Timeout, seq 279, in_transit 0 Feb 27 00:30:10 lenny kernel: [ 455.069190] ieee80211 phy0: brcms_c_ampdu_dotxstatus_complete: Pkt tx suppressed, illegal channel possibly 2 Feb 27 00:30:10 lenny kernel: [ 455.069193] ieee80211 phy0: AMPDU status: BA Timeout, seq 280, in_transit 3 Feb 27 00:30:10 lenny kernel: [ 455.069199] ieee80211 phy0: AMPDU status: BA Timeout, seq 281, in_transit 2 Feb 27 00:30:10 lenny kernel: [ 455.069205] ieee80211 phy0: AMPDU status: BA Timeout, seq 282, in_transit 1 Feb 27 00:30:10 lenny kernel: [ 455.069210] ieee80211 phy0: AMPDU status: BA Timeout, seq 283, in_transit 0 Feb 27 00:30:10 lenny kernel: [ 455.428023] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:10 lenny kernel: [ 455.428914] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:10 lenny kernel: [ 455.429236] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:10 lenny kernel: [ 455.626571] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:10 lenny kernel: [ 455.627441] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:11 lenny kernel: [ 456.131106] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:11 lenny kernel: [ 456.132082] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:11 lenny kernel: [ 456.328771] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:11 lenny kernel: [ 456.329630] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:11 lenny kernel: [ 456.713335] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:11 lenny kernel: [ 456.714013] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:12 lenny kernel: [ 456.908024] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:12 lenny kernel: [ 456.908935] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:12 lenny kernel: [ 457.166170] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU Feb 27 00:30:12 lenny kernel: [ 457.167601] ieee80211 phy0: brcms_c_dotxstatus: INTERMEDIATE but not AMPDU $ lsb_release -rd Description: Ubuntu precise (development branch) Release: 12.04 02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01) Subsystem: Broadcom Corporation Device [14e4:051b] Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at d0400000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: brcmsmac Kernel modules: bcma, brcmsmac My main workstation is also running precise with an Atheros 802.11n card and various other wifi devices that work fine so I'm almost convinced it's not the router which is a BT Home Hub v3.0 Please let me know if you require further information. --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 1.94.1-0ubuntu1 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mrkennie 2064 F.... pulseaudio Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xd0600000 irq 43' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:14f1506e,17aac013,00100002 HDA:80862805,80860101,00100000' Controls : 14 Simple ctrls : 6 DistroRelease: Ubuntu 12.04 EcryptfsInUse: Yes InstallationMedia: Lubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) MachineType: LENOVO 4334 NonfreeKernelModules: atl1c Package: linux (not installed) ProcEnviron: LANGUAGE=en_GB:en TERM=xterm LANG=en_GB.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic root=UUID=586704a1-137a-4d00-8163-fda5148ced0a ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9 RelatedPackageVersions: linux-restricted-modules-3.2.0-18-generic N/A linux-backports-modules-3.2.0-18-generic N/A linux-firmware 1.71 StagingDrivers: rts5139 mei Tags: precise staging Uname: Linux 3.2.0-18-generic x86_64 UpgradeStatus: Upgraded to precise on 2012-01-08 (60 days ago) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare dmi.bios.date: 10/07/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 40CN28WW(V2.14) dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Base Board Product Name dmi.board.vendor: LENOVO dmi.board.version: Base Board Version dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Chassis Manufacturer dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnLENOVO:bvr40CN28WW(V2.14):bd10/07/2011:svnLENOVO:pn4334:pvrLenovoG570:rvnLENOVO:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion: dmi.product.name: 4334 dmi.product.version: Lenovo G570 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/941695/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp