Here is a case we are working on with the same wireless driver: http://askubuntu.com/questions/502545/i-keep-wifi-connection-but-lose- internet-access
The problem is still there on 14.04. -- 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/1159145 Title: 8086:088e [Dell XPS 13 L322X] Centrino Advanced-N 6235 wireless connection crash with "iwlwifi: fail to flush all tx fifo queues" Status in “linux” package in Ubuntu: Confirmed Bug description: After some activity, the wireless connection on my Dell XPS 13 laptop drops and I have to reboot to have it working again. I had this bug with ubuntu 12.04 preinstalled by Dell. I had done a 13.04 fresh install to try to solve the problem, but with last kernel (3.8.0-13.23) after some time the connection eventually drops. I can't restore it without rebooting the entire system. It always happens with [] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues in dmesg The network controller is: 01:00.0 Network controller: Intel Corporation Centrino Advanced-N 6235 (rev 24) I think this bug may be the same of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/836250 , but may also be unrelated because: 1) none of the solution proposed for #836250 works for me. I tried some iwlwifi module options (11n_disable=1, swcrypto=1, bt_coex_active=0) and turning off power managment (iwconfig wlan0 power off). 2) I seems to me that the patch from Intel attached in #836250 is already included in ubuntu 3.8.0-13.23 kernel. If it is correct, then that patch does not solve my problem. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-13-generic 3.8.0-13.23 [modified: boot/vmlinuz-3.8.0-13-generic] ProcVersionSignature: Ubuntu 3.8.0-13.23-generic 3.8.3 Uname: Linux 3.8.0-13-generic x86_64 ApportVersion: 2.9.2-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: marco 1830 F.... pulseaudio Date: Sat Mar 23 15:13:09 2013 HibernationDevice: RESUME=UUID=f25f5441-ea8c-4dfc-baf9-f4468facd9eb InstallationDate: Installed on 2013-03-22 (0 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130322) MachineType: Dell Inc. Dell System XPS L322X MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-13-generic root=UUID=e849ca22-9f72-416d-8f75-b28a8e6a29f9 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.8.0-13-generic N/A linux-backports-modules-3.8.0-13-generic N/A linux-firmware 1.104 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/22/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 0PJHXN 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.:bvrA07:bd01/22/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: Dell System XPS L322X dmi.sys.vendor: Dell Inc. --- ApportVersion: 2.6.1-0ubuntu10 Architecture: amd64 DistroRelease: Ubuntu 12.10 InstallationDate: Installed on 2013-03-23 (2 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MarkForUpload: True Package: linux (not installed) ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash Tags: quantal running-unity Uname: Linux 3.9.0-030900rc4-generic x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1159145/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
