lucid iwlagn free more than tfds_in_queue

Bug #545585 reported by Steffen Rusitschka
This bug affects 23 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Stefan Bader
linux-2.6 (Debian)
Fix Released

Bug Description

on lucid beta 1 my connection drops completely for approx a minute or degrades to 1 mbit/s

this may be related to and/or which seem to make wpa2 responsible for the problem...

kern.log is flooded with "free more than tfds_in_queue" messages

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
 /dev/snd/controlC0: rusi 1745 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
 Card hw:0 'Intel'/'HDA Intel at 0xf1000000 irq 22'
   Mixer name : 'IDT 92HD73C1X5'
   Components : 'HDA:111d7675,102802bd,00100103'
   Controls : 16
   Simple ctrls : 10
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xcfeec000 irq 17'
   Mixer name : 'ATI R6xx HDMI'
   Components : 'HDA:1002aa01,00aa0100,00100100'
   Controls : 4
   Simple ctrls : 1
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Wed Mar 24 00:19:36 2010
DistroRelease: Ubuntu 10.04
HibernationDevice: RESUME=UUID=38e84f57-d19f-47e4-b9b1-9752de70b1a1
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Dell Inc. Studio 1557
Package: linux-image (not installed)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-17-generic root=UUID=46a74632-c62d-4013-bb2b-e947599b9434 ro quiet splash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic
Regression: Yes
RelatedPackageVersions: linux-firmware 1.33
Reproducible: Yes
SourcePackage: linux
TestedUpstream: Yes
Uname: Linux 2.6.32-17-generic i686 03/02/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04 0KM426
dmi.board.vendor: Dell Inc.
dmi.board.version: A04
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A04
dmi.modalias: dmi:bvnDellInc.:bvrA04:bd03/02/2010:svnDellInc.:pnStudio1557:pvrA04:rvnDellInc.:rn0KM426:rvrA04:cvnDellInc.:ct8:cvrA04: Studio 1557
dmi.product.version: A04
dmi.sys.vendor: Dell Inc.

Revision history for this message
Steffen Rusitschka (rusi) wrote :
Revision history for this message
Tobias Wolf (towolf) wrote :

Confirmed, it has DOS proportions here. My kern.log is already at 700MB and rsyslog is taking nearly one core at full CPU.

Revision history for this message
Tobias Wolf (towolf) wrote :

grep -c tfds_in_queue /var/log/syslog

 01:04:16 up 5:16, 5 users, load average: 0.04, 0.03, 0.00

Tobias Wolf (towolf)
Changed in linux (Ubuntu):
status: New → Confirmed
Revision history for this message
Carsten (carsten-tschense) wrote :

Same for me. Happened after update from 2.6.32-16 to 2.6.32-17.

Revision history for this message
Munzir Taha (منذر طه) (munzirtaha) wrote :

I guess this patch should fix it

Revision history for this message
Stefan Bader (smb) wrote :

I am preparing a test kernel for the message issue. This probably does not fix any continuous drops and reconnects. Those I would continue on to keep things separated.

Changed in linux (Ubuntu):
assignee: nobody → Stefan Bader (stefan-bader-canonical)
importance: Undecided → Medium
status: Confirmed → In Progress
Revision history for this message
Stefan Bader (smb) wrote :

Ok, test kernels have been uploaded to Please test and give feedback here. Thanks you.

Revision history for this message
Carsten (carsten-tschense) wrote :

Works for me! Messages are gone.

Revision history for this message
Steffen Rusitschka (rusi) wrote :

works here, too!

Revision history for this message
Adrian (urobythos) wrote :

Works for me =]

Revision history for this message
bravebearman (bernie-haverkamps) wrote :

Me too! Only real issue I have had so far ;)

Stefan Bader (smb)
Changed in linux (Ubuntu):
status: In Progress → Fix Committed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux - 2.6.32-18.27

linux (2.6.32-18.27) lucid; urgency=low

  [ Chase Douglas ]

  * SAUCE: Don't register vga16fb framebuffer if other framebuffers are
    - LP: #527369

  [ Loïc Minier ]

  * [Config] armel/versatile: Set CRAMFS=m
    - LP: #524893
  * [Config] armel: Reset default command-line
    - LP: #524893

  [ Stefan Bader ]

  * build/modules: Update d-i to reflect recent config changes
    - LP: #546929

  [ Upstream Kernel Changes ]

  * (pre-stable) drm/nouveau: report unknown connector state if lid closed
    - LP: #523072
  * (pre-stable) Staging: rt2870: Add USB ID for Buffalo Airstation
    - LP: #441990
  * (pre-stable) iwlwifi: fix nfreed--
    - LP: #545585
  * (pre-stable) pata_via: Add VIA VX900 support
    - LP: #548675
 -- Stefan Bader <email address hidden> Fri, 26 Mar 2010 18:39:42 +0100

Changed in linux (Ubuntu):
status: Fix Committed → Fix Released
Changed in linux-2.6 (Debian):
status: Unknown → Confirmed
Changed in linux-2.6 (Debian):
status: Confirmed → Fix Released
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