8086:08b2 [Lenovo ThinkPad S3-S440] Wireless Intel 7260 (rev. 73) unstable

[Roman]

wireless card is not working properly in linux. card is crashing with firmware installed by 13.10 Ubuntu.
after firmware upgrade to 22.1.7.0 (iwlwifi) it's much better and problems occurs only when:
a) too much AP's around me (in office)
b) >5 meter away from home AP (signal strength is low, in Win8 works perfectly)
wifi reconnects again every minute or two.
interesting info: when the network usage is higer (video streaming), wifi is reconnecting only every 5 minutes.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-14-generic 3.11.0-14.21
ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
Uname: Linux 3.11.0-14-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: rfordinal 2263 F.... pulseaudio
 /dev/snd/controlC1: rfordinal 2263 F.... pulseaudio
 /dev/snd/pcmC1D0p: rfordinal 2263 F...m pulseaudio
Date: Thu Dec 26 23:23:28 2013
HibernationDevice: RESUME=UUID=cd7a987c-48a7-4468-b012-cdea8c4517bf
InstallationDate: Installed on 2013-12-14 (11 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: LENOVO 20AY001CMC
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic.efi.signed root=UUID=8518884a-a433-4aa3-8bc3-7477dda998e1 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.11.0-14-generic N/A
 linux-backports-modules-3.11.0-14-generic N/A
 linux-firmware 1.116
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/23/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: J3ET32WW (1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AY001CMC
dmi.board.vendor: LENOVO
dmi.board.version: Win8 STD DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrJ3ET32WW(1.09):bd07/23/2013:svnLENOVO:pn20AY001CMC:pvrThinkPadS3-S440:rvnLENOVO:rn20AY001CMC:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AY001CMC
dmi.product.version: ThinkPad S3-S440
dmi.sys.vendor: LENOVO
---
ApportVersion: 2.12.7-0ubuntu3
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D8p', '/dev/snd/controlC4', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CasperVersion: 1.336ubuntu1
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131231)
MachineType: LENOVO 20AY001CMC
MarkForUpload: True
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash --
ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
RelatedPackageVersions:
 linux-restricted-modules-3.12.0-7-generic N/A
 linux-backports-modules-3.12.0-7-generic N/A
 linux-firmware 1.117
Tags: trusty
Uname: Linux 3.12.0-7-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 07/23/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: J3ET32WW (1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AY001CMC
dmi.board.vendor: LENOVO
dmi.board.version: Win8 STD DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrJ3ET32WW(1.09):bd07/23/2013:svnLENOVO:pn20AY001CMC:pvrThinkPadS3-S440:rvnLENOVO:rn20AY001CMC:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AY001CMC
dmi.product.version: ThinkPad S3-S440
dmi.sys.vendor: LENOVO

[Brad Figg (brad-figg)]

This change was made by a bot.

[penalvch (penalvch)]

Roman, thank you for reporting this and helping make Ubuntu better. Could you please confirm this issue exists with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains, could you please run the following command in the development release from a Terminal (Applications->Accessories->Terminal), as it will automatically gather and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

If reproducible, could you also please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue.Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.13-rc5

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding.

[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

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[Roman (roman-fordinal)]

same unstability in upstream. needs more testing in other environment by me (scenario a) office - more AP's)

[penalvch (penalvch)]

Roman, thank you for testing Trusty. Could you please test the latest mainline via http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13-rc6-trusty/ and advise to the results?

[Roman (roman-fordinal)]

New informations about my testing:
a) with new firmware the wifi connection is rock-stable at office (more than 5 hours without problem)
b) at home i have changed wifi router to newer, problem is the same, tested under stable kerner and mainline (3.13.0-031300rc6-generic). sorry for long time to answer about my testing under 3.13.0-031300rc6-generic, but under this kernel my graphic card stopped working (new Intel/AMD double cards is not working out of the box in ubuntu). I'm plannig to test at home this card in windows again (if there is a big difference, or only card is lower quality than my other devices)

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[Joseph Salisbury (jsalisbury)]

Thank you for taking the time to file a bug report on this issue.

However, given the number of bugs that the Kernel Team receives during any development cycle it is impossible for us to review them all. Therefore, we occasionally resort to using automated bots to request further testing. This is such a request.

  With the recent release of this Ubuntu release, would like to confirm if this bug is still present. Please test again with the newer kernel and indicate in the bug if this issue still exists or not.

You can update to the latest development kernel by simply running the following commands in a terminal window:

    sudo apt-get update
    sudo apt-get dist-upgrade

If the bug still exists, change the bug status from Incomplete to Confirmed. If the bug no longer exists, change the bug status from Incomplete to Fix Released.

If you want this bot to quit automatically requesting kernel tests, add a tag named: bot-stop-nagging.

 Thank you for your help, we really do appreciate it.

[Kai Zhang (zk65900931)]

I had the same problem with my Thinkpad T440s laptop, running on Ubuntu 14.04. Wireless is very unstable.

[penalvch (penalvch)]

Kai Zhang, thank you for your comment. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu kernel (not a mainline one) via:
ubuntu-bug linux

For more on this, please read the official Ubuntu documentation:
Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette

When opening up the new report, please feel free to subscribe me to it.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

[Damien (humanisfood)]

I am also having this issue in Ubuntu 14.04 and my Lenovo IdeaPad Flex 15 (59387556).

[penalvch (penalvch)]

Damien, thank you for your comment. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu kernel (not a mainline one) via:
ubuntu-bug linux

For more on this, please read the official Ubuntu documentation:
Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette

When opening up the new report, please feel free to subscribe me to it.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]