Public bug reported:
I'm not quite sure which package this bug belongs to, but it's a major
problem I'm experiencing with Ubuntu Natty.
I have a wireless-n wireless adapter on my computer, which uses the
ath9k driver. Network Manager says that I'm connected with a speed of
130 MB/s. However, my network connection is incredibly slow. I did a
test, transferring a large file over my wireless LAN, and the average
speed was 25 kB/s.
Let me repeat that.
File transfer. Wireless LAN. 25 KILOBYTES per second.
However, if I compile and install the ath9k driver from compat-
wireless-2.6, found at wireless.kernel.org, my speeds increase
drastically. With the compat-wireless ath9k driver, my wireless LAN
file transfer test gets an average speed of 4.2 MB/s.
Regular Ubuntu ath9k driver: 25 kB/s
compat-wireless ath9k driver: 4.2 MB/s
Something is very wrong with the ath9k driver that comes with Ubuntu.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: network-manager 0.8.4~git.20110319t175609.d14809b-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
Date: Thu Apr 7 19:46:17 2011
ExecutablePath: /usr/sbin/NetworkManager
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
IpRoute:
192.168.0.0/24 dev wlan0 proto kernel scope link src 192.168.0.152 metric
2
169.254.0.0/16 dev wlan0 scope link metric 1000
default via 192.168.0.1 dev wlan0 proto static
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron: PATH=(custom, no user)
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: network-manager
UpgradeStatus: Upgraded to natty on 2011-03-24 (14 days ago)
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/754176
Title:
ath9k wireless connection extremely slow
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