*** This bug is a duplicate of bug 836250 ***
https://bugs.launchpad.net/bugs/836250
Hi Steven,
Your suggestion solve a similar problem on my Samsung with Intel
Centrino N-130. Thanks!
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*** This bug is a duplicate of bug 836250 ***
https://bugs.launchpad.net/bugs/836250
Good. I have no problem to connect to my wifi network but to be sailing there
are times when it gets really slow, I fall, but my network gets slow and takes
too long to connect, I have to give several times
*** This bug is a duplicate of bug 836250 ***
https://bugs.launchpad.net/bugs/836250
Follow-up on my own comment, #16: It seems that the problem is improved,
but not actually fixed as I had said before. There is a definite
improvement though. There are still plenty of networks on which I
*** This bug is a duplicate of bug 836250 ***
https://bugs.launchpad.net/bugs/836250
The following workaround has solved my issue on my ThinkPad X220 with
Intel Centrino Wireless-N 1000 card using iwlwifi driver (except, of
course, that I don't have N wireless capabilities now):
1) Create a
*** This bug is a duplicate of bug 836250 ***
https://bugs.launchpad.net/bugs/836250
I believe this is a duplicate of bug 836250
** This bug has been marked a duplicate of bug 836250
[Oneiric] [Regression] Intel Corporation Centrino Ultimate-N 6300 poor
networking, packet loss and very
Would it be possible for you to test the latest upstream kernel? It
will allow additional upstream developers to examine the issue. Refer to
https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.3 kernel[1] (Not a kernel in the daily directory). Once you've
tested the upstream
I tested the kernel you linked to. The issue still exists. My WiFi on an
unencrypted network is intermittently very slow.
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
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On second thought, I should be a better scientist and give it more
testing. I barely tested it before, and it seems to be working better
than usual now, but maybe it's my imagination. I'll report back in a day
or two with definitive results after testing it at a few hotspots.
** Tags removed:
I am now 100% confident that this bug still exists in the upstream
kernel. What comes next? Thanks!
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
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Sorry, that is the wrong module for you wifi card. Can you try the
following:
sudo rmmod iwlagn
sudo echo options iwlagn 11n_disable=1 /etc/modprobe.d/disable11n.conf
sudo modprobe iwlagn
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On the first command, I get ERROR: Module iwlagn does not exist in
/proc/modules. Perhaps that's because my kernel driver is iwlwifi, not
iwlagn? I don't know a whole lot about this. Thanks for the help.
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Yes, you are correct. For you module you can run:
sudo rmmod iwlagn
sudo modprobe iwlwifi 11n_disable=1
Then to make the change permanent:
echo options iwlwifi 11n_disable=1 | sudo tee -a
/etc/modprobe.d/iwlwifi-disable11n.conf
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You mistyped the first line again, but I corrected it. I will try this
for a while and report back. Thanks.
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https://bugs.launchpad.net/bugs/939218
Title:
Intel Centrino Wireless
Unfortunately, your suggestion has no effect. My connection is still
slow and very bad on public WiFi. Any other suggestions or things I can
test to help solve the issue?
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** Description changed:
I am running Xubuntu 11.10 64-bit on a Lenovo ThinkPad X220, and my WiFi
- is very slow and disconnects randomly on some WiFi networks. It also
- refuses to even connect to some networks. All of these are networks
- which have excellent signal strength and which many
This may be a duplicate of bug 836250
Can you try the following to see if it is a valid work around for you?
Add this line to /etc/modprobe.d/intel-6200.conf:
options iwlagn 11n_disable=1
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Tags added: kernel-da-key
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I will try it for a few days and report back. Where does the number 6200
come from? Also, that file did not exist; I had to create it.
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https://bugs.launchpad.net/bugs/939218
Title:
Actually, after having tested it for just a little while, it's very
obvious to me that it has no effect. I'm still having the issue.
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https://bugs.launchpad.net/bugs/939218
Title:
You will notice (from apport data) that the kernel I am using is not the
stock kernel, but this problem existed in exactly the same way when I
was using the stock Xubuntu 11.10 64-bit kernel.
** Tags added: apport-collected oneiric
** Description changed:
I am running Xubuntu 64-bit on a
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