[Bug 458543] [NEW] Intel Wifi 5100 randomly disconnects with "Error setting new RXON (-28)"

[A. Walton]

Public bug reported:

Wifi will work for 4-8 hours without any problems, but after that it
will spontaneously disconnect from the router and refuse to reassociate
until the iwlagn module is reloaded (rmmod iwlagn; modprobe iwlagn).
This seems to happen more frequently under heavy network stress (e.g.
downloading Ubuntu updates), but it may not be related.

Immediately after this event, dmesg fills up with lines like the following:
[129638.530111] iwlagn 0000:04:00.0: Error sending REPLY_TX_POWER_DBM_CMD: enqueue_hcmd failed: -28
[129758.526073] iwlagn 0000:04:00.0: No space for Tx
[129758.526086] iwlagn 0000:04:00.0: Error sending REPLY_RXON: enqueue_hcmd failed: -28
[129758.526092] iwlagn 0000:04:00.0: Error setting new RXON (-28)
[129758.526120] iwlagn 0000:04:00.0: No space for Tx

ProblemType: Bug
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  awalton    2048 F.... pulseaudio
 /dev/snd/pcmC0D0p:   awalton    2048 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfc700000 irq 22'
   Mixer name	: 'Intel G45 DEVCTG'
   Components	: 'HDA:111d7675,102802be,00100103 HDA:80862802,80860101,00100000'
   Controls      : 27
   Simple ctrls  : 15
Date: Thu Oct 22 16:41:01 2009
DistroRelease: Ubuntu 9.10
MachineType: Dell Inc. Studio 1555
Package: linux-image (not installed)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-12-generic root=UUID=2bede60b-706d-4c5c-9e24-69410fb7f652 ro quiet splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-12.41-generic
RelatedPackageVersions: linux-firmware 1.24
SourcePackage: linux-meta
Uname: Linux 2.6.31-12-generic i686
WpaSupplicantLog:
 
dmi.bios.date: 04/23/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.vendor: Dell Inc.
dmi.board.version: A06
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A06
dmi.modalias: dmi:bvnDellInc.:bvrA06:bd04/23/2009:svnDellInc.:pnStudio1555:pvrA06:rvnDellInc.:rn:rvrA06:cvnDellInc.:ct8:cvrA06:
dmi.product.name: Studio 1555
dmi.product.version: A06
dmi.sys.vendor: Dell Inc.

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


** Tags: apport-bug i386

-- 
Intel Wifi 5100 randomly disconnects with "Error setting new RXON (-28)"
https://bugs.launchpad.net/bugs/458543
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