I'm still in the process of looking through the data you sent me. Everything I've seen so far points to loss of beacons from the AP, but if wireless on your phone continues to work then I have to think the AP is sending beacons. The second dump is interesting because it shows associations followed almost immediately by beacon loss messages which lead to disassociation.
One thing you can try while I continue looking at the data is to test a newer kernel version to see if you still have problems there. We have builds that you can download and install at http://kernel.ubuntu.com /~kernel-ppa/mainline/, with the newest kernel currently being 3.16-rc7: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.16-rc7-utopic/ You should just need to download the linux-image-*-generic_*amd64.deb and install it (sudo dpkg -i <filename>), then reboot into the new kernel. This should also cause you to use the newer -9 firmware, so if you find this kernel works well I'd be curious to know if it still works well with the -8 firmware. You can test this by moving/renaming /lib/firmware/iwlwifi-7260-9.ucode and running 'sudo modprobe -r iwlwifi; sudo modprobe iwlwifi'. Thanks! -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1349572 Title: Wireless network disconnections on Dell XPS 13 Status in “linux” package in Ubuntu: Incomplete Bug description: With kernel 3.13.0.30 and 22.1.7.0, there are lots of wireless disconnections. Tested also with kernel 3.13.0.32 and 22.24.8.0 , also lots of wireles disconnections. The AP is an ASL-26555 from Movistar(Spain). Firmware version: v2.0.0.51B_ESv6 Seems that when the computer is working for some time it is more easy to reproduce this beahviour. Added this bug as sugested in #1293569, comment #91. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-30-generic 3.13.0-30.55 ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2 Uname: Linux 3.13.0-30-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: marcel 2611 F.... pulseaudio /dev/snd/controlC0: marcel 2611 F.... pulseaudio CurrentDesktop: Unity Date: Mon Jul 28 22:20:19 2014 HibernationDevice: RESUME=UUID=01981495-0235-4fdf-b7c6-c6191e986cec InstallationDate: Installed on 2014-01-23 (186 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Dell Inc. XPS13 9333 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic root=UUID=9d324637-b4a0-4800-a447-d17e20b708f3 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-30-generic N/A linux-backports-modules-3.13.0-30-generic N/A linux-firmware 1.127.5 SourcePackage: linux UpgradeStatus: Upgraded to trusty on 2014-04-17 (101 days ago) dmi.bios.date: 12/11/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A02 dmi.board.name: 0GFTRT dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA02:bd12/11/2013:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: XPS13 9333 dmi.sys.vendor: Dell Inc. --- ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: marcel 2644 F.... pulseaudio /dev/snd/controlC0: marcel 2644 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=01981495-0235-4fdf-b7c6-c6191e986cec InstallationDate: Installed on 2014-01-23 (187 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Dell Inc. XPS13 9333 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=9d324637-b4a0-4800-a447-d17e20b708f3 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4 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 Tags: trusty Uname: Linux 3.13.0-32-generic x86_64 UpgradeStatus: Upgraded to trusty on 2014-04-17 (103 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers _MarkForUpload: True dmi.bios.date: 12/11/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A02 dmi.board.name: 0GFTRT dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA02:bd12/11/2013:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: XPS13 9333 dmi.sys.vendor: Dell Inc. --- ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: marcel 2644 F.... pulseaudio /dev/snd/controlC0: marcel 2644 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=01981495-0235-4fdf-b7c6-c6191e986cec InstallationDate: Installed on 2014-01-23 (187 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Dell Inc. XPS13 9333 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=9d324637-b4a0-4800-a447-d17e20b708f3 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4 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 Tags: trusty Uname: Linux 3.13.0-32-generic x86_64 UpgradeStatus: Upgraded to trusty on 2014-04-17 (103 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers _MarkForUpload: True dmi.bios.date: 12/11/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A02 dmi.board.name: 0GFTRT dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA02:bd12/11/2013:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: XPS13 9333 dmi.sys.vendor: Dell Inc. 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