[Bug 634876] [NEW] w-lan connection freezes regularly

[Marko Pflipsen]

Public bug reported:

while being online computer looses it network connection every once in a while, sometimes after an hour, sometimes already after a few seconds. disabling an enabling network solves problem until the next breakdown of network connection.
/var/log/messages output whenever it happens:
[63122.135554] ------------[ cut here ]------------
[63122.135572] WARNING: at /build/buildd/linux-2.6.32/net/mac80211/agg-tx.c:150 ___ieee80211_stop_tx_ba_session+0x89/0x90 [mac80211]()
[63122.135574] Hardware name: HP Pavilion dv7 Notebook PC
[63122.135576] Modules linked in: udf crc_itu_t usbhid hid nls_iso8859_1 nls_cp437 vfat fat usb_storage nls_utf8 isofs aes_i586 aes_generic binfmt_misc ppdev vboxnetadp vboxnetflt vboxdrv dm_crypt snd_hda_codec_nvhdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm arc4 snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event iwlagn snd_seq iwlcore uvcvideo joydev snd_timer snd_seq_device hp_accel jmb38x_ms videodev mac80211 snd lirc_ene0100 lis3lv02d memstick v4l1_compat soundcore sdhci_pci lirc_dev psmouse input_polldev sdhci cfg80211 snd_page_alloc led_class serio_raw lp parport fbcon tileblit font bitblit softcursor vga16fb vgastate nouveau ttm drm_kms_helper intel_agp drm ohci1394 i2c_algo_bit agpgart ahci r8169 mii ieee1394 video output
[63122.135639] Pid: 16058, comm: events/1 Tainted: G        W  2.6.32-24-generic #42-Ubuntu
[63122.135641] Call Trace:
[63122.135648]  [<c014c4a2>] warn_slowpath_common+0x72/0xa0
[63122.135657]  [<f8147f39>] ? ___ieee80211_stop_tx_ba_session+0x89/0x90 [mac80211]
[63122.135666]  [<f8147f39>] ? ___ieee80211_stop_tx_ba_session+0x89/0x90 [mac80211]
[63122.135672]  [<fae21560>] ? iwl_mac_ampdu_action+0x0/0xd0 [iwlagn]
[63122.135676]  [<c014c4ea>] warn_slowpath_null+0x1a/0x20
[63122.135684]  [<f8147f39>] ___ieee80211_stop_tx_ba_session+0x89/0x90 [mac80211]
[63122.135693]  [<f8148057>] __ieee80211_stop_tx_ba_session+0x57/0x60 [mac80211]
[63122.135702]  [<f8147966>] ieee80211_sta_tear_down_BA_sessions+0x26/0x50 [mac80211]
[63122.135714]  [<f815a8bf>] ieee80211_reconfig+0x1ff/0x430 [mac80211]
[63122.135718]  [<c013f083>] ? finish_task_switch+0x43/0xc0
[63122.135727]  [<f814343b>] ieee80211_restart_work+0x1b/0x30 [mac80211]
[63122.135731]  [<c016376e>] run_workqueue+0x8e/0x150
[63122.135740]  [<f8143420>] ? ieee80211_restart_work+0x0/0x30 [mac80211]
[63122.135743]  [<c01638b4>] worker_thread+0x84/0xe0
[63122.135747]  [<c0167810>] ? autoremove_wake_function+0x0/0x50
[63122.135750]  [<c0163830>] ? worker_thread+0x0/0xe0
[63122.135753]  [<c0167584>] kthread+0x74/0x80
[63122.135756]  [<c0167510>] ? kthread+0x0/0x80
[63122.135759]  [<c0104087>] kernel_thread_helper+0x7/0x10
[63122.135762] ---[ end trace c9a5d574a2e181dc ]---

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-24-generic 2.6.32-24.42
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-24.42-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  marko      1492 F.... pulseaudio
 /dev/snd/pcmC0D0p:   marko      1492 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xdf000000 irq 22'
   Mixer name	: 'Nvidia MCP78 HDMI'
   Components	: 'HDA:111d76b2,103c30f6,00100302 HDA:10de0006,10de0101,00100000'
   Controls      : 24
   Simple ctrls  : 13
Date: Fri Sep 10 14:09:29 2010
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=dde38a4e-c8c3-43cc-a665-41c6ae8717e5
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: Hewlett-Packard HP Pavilion dv7 Notebook PC
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=184394ed-e1ef-47ed-a65d-764aa47740b8 ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=de_DE.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34.1
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
dmi.bios.date: 12/04/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.23
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 30F4
dmi.board.vendor: Compal
dmi.board.version: 99.90
dmi.chassis.type: 10
dmi.chassis.vendor: Compal
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.23:bd12/04/2008:svnHewlett-Packard:pnHPPaviliondv7NotebookPC:pvrF.23:rvnCompal:rn30F4:rvr99.90:cvnCompal:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv7 Notebook PC
dmi.product.version: F.23
dmi.sys.vendor: Hewlett-Packard

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid needs-upstream-testing networking regression-potential

-- 
w-lan connection freezes regularly
https://bugs.launchpad.net/bugs/634876
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