Comment 4 for bug 1355441

Happy to do so.

Script is running.

Thanks!
Dave

On Tue, Aug 12, 2014 at 9:02 AM, Seth Forshee <<email address hidden>
> wrote:

> Could you collect some more information for me? Please download this
> script:
>
> http://people.canonical.com/~sforshee/wifi-debug
>
> Then open a terminal, navigate to the directory where you saved the
> script, and make it executable (chmod +x wifi-debug). Then run 'sudo
> ./wifi-debug -p -t'. Once you see the "Collecting data ..." line, wait
> until you experience a disconnection, then press Enter to terminate the
> script. Please send me the wifi-debug-files.tar.gz file it creates. This
> file may contain some private data, so you may not want to attach it to
> this bug. In that case you can email it to me or place it in some other
> location where I can download the file.
>
> If the problem takes a long time to occur, you may want to stop and
> restart the script periodically to keep the amount of collected data
> down to a reasonable size.
>
> Note that the script will capture network data transferred over the
> wireless interface, so you probably want to avoid any activity which
> sends any private data on the network (though data sent over TLS/SSL
> connections will be encrypted in the capture). Other wireless traffic on
> the same channel may also be collected, though on a secure network
> traffic belonging to other clients will be encrypted. If you are
> uncomfortable with this you can omit the -p option to wifi-debug, though
> this will limit my ability to diagnose your issue.
>
> Thanks!
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1355441
>
> Title:
> Wifi dropping
>
> Status in “linux” package in Ubuntu:
> Incomplete
>
> Bug description:
> Environment
>
> Lenovo T440s
> Ubuntu 14.04
> Kernel: 3.13.0-32-generic #57-Ubuntu SMP x86_64
> Firmware version: Aug 11 14:17:58 dave kernel: [ 3.336421] iwlwifi
> 0000:03:00.0: loaded firmware version 22.1.7.0 op_mode iwlmvm
> # I have also tried version 22.1.8.0
> sudo lshw -C network
> description: Wireless interface
> product: Wireless 7260
> vendor: Intel Corporation
> physical id: 0
> bus info: pci@0000:03:00.0
> logical name: wlan0
> version: 83
> serial: e8:2a:ea:b3:5a:1f
> width: 64 bits
> clock: 33MHz
> capabilities: pm msi pciexpress bus_master cap_list ethernet
> physical wireless
> configuration: broadcast=yes driver=iwlwifi
> driverversion=3.13.0-32-generic firmware=22.1.7.0 ip=192.168.1.121
> latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
> resources: irq:61 memory:f0400000-f0401fff
> sudo iwconfig:
> wlan0 IEEE 802.11abgn ESSID:"nfu2"
> Mode:Managed Frequency:2.437 GHz Access Point:
> 68:7F:74:A2:56:27
> Bit Rate=54 Mb/s Tx-Power=16 dBm
> Retry long limit:7 RTS thr:off Fragment thr:off
> Encryption key:off
> Power Management:off
> Link Quality=70/70 Signal level=-22 dBm
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
> Tx excessive retries:0 Invalid misc:119 Missed beacon:0
> grep wifi /var/log/syslog:
> Aug 11 14:17:58 dave kernel: [ 3.336421] iwlwifi 0000:03:00.0:
> loaded firmware version 22.1.7.0 op_mode iwlmvm
> (30x of these:) Aug 11 16:52:15 dave kernel: [ 9256.926634] iwlwifi
> 0000:03:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
>
> ProblemType: Bug
> DistroRelease: Ubuntu 14.04
> Package: linux-image-3.13.0-32-generic 3.13.0-32.57
> ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
> Uname: Linux 3.13.0-32-generic x86_64
> ApportVersion: 2.14.1-0ubuntu3.3
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC2: dave 1907 F.... pulseaudio
> /dev/snd/controlC0: dave 1907 F.... pulseaudio
> CurrentDesktop: Unity
> Date: Mon Aug 11 16:46:39 2014
> HibernationDevice: RESUME=UUID=b447ca85-41cc-44f1-b4b4-8a44bf215053
> InstallationDate: Installed on 2014-07-21 (21 days ago)
> InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64
> (20140417)
> MachineType: LENOVO 20AQCTO1WW
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic.efi.signed
> root=UUID=a5f87e7d-a068-4cf1-94c5-0a4d068328f4 ro quiet splash vt.handoff=7
> RelatedPackageVersions:
> linux-restricted-modules-3.13.0-32-generic N/A
> linux-backports-modules-3.13.0-32-generic N/A
> linux-firmware 1.127.5
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 05/20/2014
> dmi.bios.vendor: LENOVO
> dmi.bios.version: GJET77WW (2.27 )
> dmi.board.asset.tag: Not Available
> dmi.board.name: 20AQCTO1WW
> dmi.board.vendor: LENOVO
> dmi.board.version: SDK0E50512 STD
> dmi.chassis.asset.tag: No Asset Information
> dmi.chassis.type: 10
> dmi.chassis.vendor: LENOVO
> dmi.chassis.version: Not Available
> dmi.modalias:
> dmi:bvnLENOVO:bvrGJET77WW(2.27):bd05/20/2014:svnLENOVO:pn20AQCTO1WW:pvrThinkPadT440s:rvnLENOVO:rn20AQCTO1WW:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNotAvailable:
> dmi.product.name: 20AQCTO1WW
> dmi.product.version: ThinkPad T440s
> dmi.sys.vendor: LENOVO
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1355441/+subscriptions
>

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