Public bug reported:
I've had problems with the WIFI on this machine in Linux since I bought
it; I'm not entirely sure if they're driver or NetworkManager related.
Under my (relatively) new Xubuntu install, the problem is that my wifi
connection will often drop after a time (I estimate around an hour), and
will then fail to re-establish. Typically this manifests as showing that
the adapter is connected to the network, but not getting any network
access (e.g. in a browser, from ping). I find that I can sometimes fix
this by disabling the wifi adapter entirely, then turning it back on.
Sometimes that doesn't work and I need to restart the machine.
I've had no problems at all with wired networking. Here's my wireless adapter
info:
03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvB
Wireless LAN Controller (rev 10)
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-3.5.0-26-generic 3.5.0-26.42
ProcVersionSignature: Ubuntu 3.5.0-26.42-generic 3.5.7.6
Uname: Linux 3.5.0-26-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: troy 2131 F.... lxpanel
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Mon Apr 1 19:38:36 2013
HibernationDevice: RESUME=UUID=2208ff71-0362-4b6d-b6fc-24919f53a567
InstallationDate: Installed on 2013-02-08 (52 days ago)
InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
MachineType: LENOVO 0197CTO
MarkForUpload: True
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-26-generic
root=UUID=c4f825ed-9e6f-4744-b302-8fbf7400c352 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-26-generic N/A
linux-backports-modules-3.5.0-26-generic N/A
linux-firmware 1.95
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/15/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 6ZET37WW (1.24 )
dmi.board.name: INVALID
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr6ZET37WW(1.24):bd06/15/2011:svnLENOVO:pn0197CTO:pvrThinkPadEdge13:rvnLENOVO:rnINVALID:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 0197CTO
dmi.product.version: ThinkPad Edge 13
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug quantal
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https://bugs.launchpad.net/bugs/1163068
Title:
Wifi disconnects after a certain period, then refuses to reconnect
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