Public bug reported:
I just ran update manager and it updated my kernel from 2.6.32-25 to
2.6.32-26 and now my wirless N connection at home drops randomly for
minutes at a time. Rebooting, restarting networking, changing from
dhcpclient to dhcpcd, and replacing network manager with wicd have made
no difference. Machine comes up, sees network connects, then after a
few minutes, drops connection. Sometimes it comes back, sometimes not.
Either way, it doesn't stay up for long. I have looked at bug 548992
and while the behaviour is similar, for me, this ONLY happens if I boot
the new -26 kernel.
I'm running Ubuntu 10.04 64 bit on a Toshiba T235D with an atheros
AR9285 using the ath9k driver. My wireless router is a buffalo WZR-HP-
G300NH running dd-wrt v24 SP2.
Using WPA1 or WPA2 both result in the same behaviour.
I will try this on 2.6.32.25 to double check that it doesn't have this
issue, and that the problem is confined to 2.6.32.26
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-24-generic 2.6.32-24.43
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: smarlowe 2586 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xff700000 irq 16'
Mixer name : 'Realtek ALC269'
Components : 'HDA:10ec0269,1179fda4,00100100'
Controls : 11
Simple ctrls : 7
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xff410000 irq 19'
Mixer name : 'ATI RS690/780 HDMI'
Components : 'HDA:1002791a,00791a00,00100000'
Controls : 4
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sat Nov 27 20:48:52 2010
HibernationDevice: RESUME=UUID=7408e45c-ab31-4fee-8f06-e63fad045e56
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
Lsusb:
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 04f2:b1d6 Chicony Electronics Co., Ltd
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: TOSHIBA Satellite T235D
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic
root=UUID=535edf0a-0527-4d40-9491-30784e7499e8 ro quiet splash
ProcEnviron:
LANG=en_US.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: 07/05/2010
dmi.bios.vendor: TOSHIBA
dmi.bios.version: 1.40
dmi.board.asset.tag: NULL
dmi.board.name: NDU11
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.00
dmi.chassis.asset.tag: *
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnTOSHIBA:bvr1.40:bd07/05/2010:svnTOSHIBA:pnSatelliteT235D:pvrPST4LU-006009:rvnTOSHIBA:rnNDU11:rvr1.00:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.name: Satellite T235D
dmi.product.version: PST4LU-006009
dmi.sys.vendor: TOSHIBA
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid needs-upstream-testing networking
regression-release
--
Wireless-N connection drops with 2.6.32.26 kernel
https://bugs.launchpad.net/bugs/682275
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