Public bug reported:
>From time to time my wireless connection does not work anymore. The only
way to get a working wireless connection again (without rebooting) is to
switch the "Wireless" (hardware) switch to "off" and "on" again. This
bug seems to be related to several other bug reports where similar
symptoms are described. I tested upstream kernel (3.4) but found the
same (or at least a similar) issue there (see attachment).
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-25-generic 3.2.0-25.40
ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18
Uname: Linux 3.2.0-25-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu9
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC275 Analog [ALC275 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: eike 2801 F.... kded4
eike 3944 F.... kmix
CRDA:
country DE:
(2400 - 2483 @ 40), (N/A, 20)
(5150 - 5250 @ 40), (N/A, 20), NO-OUTDOOR
(5250 - 5350 @ 40), (N/A, 20), NO-OUTDOOR, DFS
(5470 - 5725 @ 40), (N/A, 26), DFS
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xd9400000 irq 50'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0275,104d5600,00100005
HDA:80862805,104d5600,00100000'
Controls : 21
Simple ctrls : 10
Date: Thu Jun 14 18:02:32 2012
HibernationDevice: RESUME=UUID=87d61731-e237-4c26-ba87-6c91fa6ac3fc
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
MachineType: Sony Corporation VPCZ21C5E
ProcEnviron:
LANGUAGE=en_US:en
TERM=xterm
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-25-generic
root=/dev/mapper/volumegrp01-root ro ^ kopt=root=/dev/mapper/volumegrp01-root
quiet splash video=intelfb pcie_aspm=force i915.i915_enable_rc6=1
i915.lvds_downclock=1 i915.i915_enable_fbc=1 vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.2.0-25-generic N/A
linux-backports-modules-3.2.0-25-generic N/A
linux-firmware 1.79
SourcePackage: linux
StagingDrivers: rts_pstor mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/09/2012
dmi.bios.vendor: INSYDE
dmi.bios.version: R0172H5
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnINSYDE:bvrR0172H5:bd02/09/2012:svnSonyCorporation:pnVPCZ21C5E:pvrJ004PS0X:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VPCZ21C5E
dmi.product.version: J004PS0X
dmi.sys.vendor: Sony Corporation
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise staging
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https://bugs.launchpad.net/bugs/1013257
Title:
Wifi disconnects with intel chipset
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