** Summary changed: - iwlwifi: tx speed regression with kernel 3.11.0-15-generic [Dell Latitude E6510] + 8086:422c [Dell Latitude E6510] iwlwifi: tx speed regression with kernel 3.11.0-15-generic
** Description changed: Kernel 3.11.0-15-generic appears to regress iwlwifi performance - significantly. - - I get about 400-500KiB/s sustained transfer rate with 3.11.0-15-generic, - while speed is over 7MiB/s with either 3.11.0-12-generic or mainline - kernel v3.11.10.3-saucy (same access point). - - This bug is likely dupe of bug 1270208, but I was asked to file it - separately due to hardware differences. + significantly. I get about 400-500KiB/s sustained transfer rate with + 3.11.0-15-generic, while speed is over 7MiB/s with either + 3.11.0-12-generic or mainline kernel v3.11.10.3-saucy (same access + point). ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-15-generic 3.11.0-15.23 ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10 Uname: Linux 3.11.0-15-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.12.5-0ubuntu2.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: oyvind 2102 F.... pulseaudio /dev/snd/controlC0: oyvind 2102 F.... pulseaudio Date: Tue Jan 21 21:13:24 2014 HibernationDevice: RESUME=UUID=0f94207f-b6d7-4b98-8f13-eaaeebb896b1 InstallationDate: Installed on 2013-11-02 (80 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Dell Inc. Latitude E6510 MarkForUpload: True PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcEnviron: LANGUAGE=nb_NO:nb:en TERM=xterm PATH=(custom, no user) LANG=nb_NO.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic root=UUID=7816e956-27c6-48c4-9ce2-3b22b5842157 ro quiet nosplash nouveau.perflvl_wr=7777 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.11.0-15-generic N/A linux-backports-modules-3.11.0-15-generic N/A linux-firmware 1.116.1 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/05/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A16 dmi.board.name: 0N5KHN dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA16:bd12/05/2013:svnDellInc.:pnLatitudeE6510:pvr0001:rvnDellInc.:rn0N5KHN:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6510 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1271307 Title: 8086:422c [Dell Latitude E6510] iwlwifi: tx speed regression with kernel 3.11.0-15-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1271307/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
