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[Bug 1471794] Re: Wifi slow on Intel Corporation Centrino Ultimate-N 6300
I have the same problem and i think in my case it's after standby.
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Wifi slow on Intel Corporation Centrino Ultimate-N 6300
Status in linux package in Ubuntu:
On Intel Corporation Centrino Ultimate-N 6300 who use iwlwifi, the
Wifi goes approximately (in my home) to 15MB/s in up and down on
Windows 7, but it goes only to 5 - 6MB/s down, and 1 - 3MB/s up on
Before Ubuntu 11.04 → It was slow.
After Ubuntu 11.04 → It was slow.
On Ubuntu 11.04 (Only for test): The down speed is approximately
11MB/s and the up speed is approximately: 6 - 8MB/s
The driver contain a regression for speed performance.
Currently I use Ubuntu 14.04 LTS with Linux 3.18.1 (Vivid package) but the speed is already slow.
The range of the card is reduced, and I take sometimes 2 - 5min to discover a network.
Connection/disconnection to an other network can make a bug were the
fastest way to change network is to disable/enable the card (if it
works), or reboot the computer.
It make this card absolutely not reliable because of the driver on
USER PID ACCESS COMMAND
/dev/snd/controlC1: valentin 4266 F.... pulseaudio
/dev/snd/controlC0: valentin 4266 F.... pulseaudio
DistroRelease: Ubuntu 14.04
InstallationDate: Installed on 2014-11-24 (245 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. Latitude E6540
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-46-generic root=UUID=83928b5e-863a-4f13-98b2-f288f6a095dc ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.13.0-46.79-generic 3.13.11-ckt15
Tags: trusty staging
Uname: Linux 3.13.0-46-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.vendor: Dell Inc.
dmi.board.vendor: Dell Inc.
dmi.chassis.vendor: Dell Inc.
dmi.product.name: Latitude E6540
dmi.sys.vendor: Dell Inc.
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