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Message #41514
[Bug 836250] Re: [Oneiric] Intel Corporation Centrino Ultimate-N 6300 poor networking, packet loss and very slow Lenovo X201 and T500 laptops
Obviously, I never ment to imply for WICD to be a permanent, viable
solution to this issue. However, as for my concern .. this is my
workstation I use at home and at home. I cannot tinker with as much as I
would like to since I require its service each and every day. Thus, I
was looking for a quick and dirty workaround .. which I gathered, many
others were looking for as well. I would've loved to try out a couple of
other angles but I just don't have the time or the resources.
I realize this is in no way helping out with solving this bug for good.
Also, my girlfriend and I are eternally grateful to whoever solves this
mystery.
Do note: Fedora might be using a different NetworkManager version, a
different patchset or might have configured their release in a different
manner thus rendering the comparison between Ubuntu and Fedora a tiny
bit futile, in my opinion. I wouldn't be so hasty as to declare this bug
invalid for Ubuntu's NetworkManager.
Then again, I'm not exactly fit in terms of following release cycles
and/or development roadmaps and I presume you're the one with the
greater insight concerning exactly that matter.
--
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https://bugs.launchpad.net/bugs/836250
Title:
[Oneiric] Intel Corporation Centrino Ultimate-N 6300 poor networking,
packet loss and very slow Lenovo X201 and T500 laptops
Status in “linux” package in Ubuntu:
Triaged
Status in “network-manager” package in Ubuntu:
Invalid
Status in “linux” source package in Oneiric:
Triaged
Status in “network-manager” source package in Oneiric:
Invalid
Status in “linux” source package in Precise:
Triaged
Status in “network-manager” source package in Precise:
Invalid
Bug description:
This may be either network-manager or kernel, depending on triage...
I have verified this on both a Lenovo X201 and a Lenovo T500 laptop.
Both work perfectly with fully updated 10.10 and 11.04 versions of
Ubuntu.
However, booting into a fully updated 11.10 (as of 28/08/11) I get
very poor wireless networking performance. Between 6-10% packet loss,
very very slow connection and transfer rate. All in all, practically
unusable.
I have reported the bug on the X201 laptop, I will add the similar
logs from the T500 also if required.
As soon as I swap back to either 10.10 or 11.04 I get perfect
wireless, it's only on 11.10 that I get problems, this would suggest
it's not hardware or configuration on my side.
I have had this since first installing 11.10 which was a little after
Alpha 2.
Wired connection is fine.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: network-manager 0.9.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-9.14-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
Date: Sun Aug 28 21:26:05 2011
EcryptfsInUse: Yes
Gconf:
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
IpRoute:
default via 192.168.100.1 dev eth0 proto static
192.168.100.0/24 dev eth0 proto kernel scope link src 192.168.100.41
Keyfiles: Error: [Errno 2] No such file or directory
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
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References