I went back and did some testing on 3.2.0-30-generic and
3.4.0-030400-generic from the mainline PPA (both AMD64) and my results
are the same as I mentioned in #158. With the Linksys e3000, I get
very good performance and with the Buffalo WZR-HP-G300NH router, I get
unusable performance.
Both
I'm using 3.4.0-030400-generic from the mainline PPA and I haven't had
a single freeze since I installed it. I've been using the machine a
lot more than normal over the last week as well.
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I'm still suffering from this problem with -27. X freezes for me once
every 2-3 days. The symptons are as you describe. It seems to be a
regression from 11.10.
3.2.0-27-generic #43-Ubuntu SMP Fri Jul 6 14:25:57 UTC 2012 x86_64
x86_64 x86_64 GNU/Linux
At the time of the freeze
The variability of this problem is wicked.On a whim, I swapped out
my Atheros AR9132-based AP for a Broadcom based Linksys E3000 and my N
performance is much better now. It's still not as good as it should
be, but it's usuable now at least.
x220 with Centrino Wireless N-1000.
I have Centrino Wireless-N 1000 (8086:0084) and using linux-backports-
modules-cw- (and the iwlwifi module) and the performance has not
changed. It might even be worse :(
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I've been following this bug pretty closely (I thought), but this is the
first mention I've seen of linux-backports-cw. Why does this package
solve the problem?
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I have two 11.10 machines that sudo ln -s /usr/lib/pulse-1.0/
/usr/lib/pulse-1.0.0 seems to fix the probem for. However the option
Make discoverable PulseAudio network sound devices available locally
doesn't seem to work.
avahi-discover shows that the network sinks are discovered, but the
I just did a fresh install of Lubuntu 11.10 and then installed praprefs.
The fix that works in this case is
ln -s /usr/lib/pulse-1.0 /usr/lib/pulse-1.0.0
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With my configuration, the iwlwifi-1000-3.ucode causes packetloss with
3.1.0.
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https://bugs.launchpad.net/bugs/836250
Title:
[Oneiric] Intel Corporation Centrino Ultimate-N 6300 poor
I installed 3.1.0-030100-generic #201110241006 SMP Mon Oct 24 14:07:10
UTC 2011 x86_64 x86_64 x86_64 GNU/Linux and did some further testing.
With the router operating in N mode the connection is stable and
performance is very good. When I switch the router to B/G/Mixed (no
N), the connection is
As suggested in this bug:
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2314
I reverted to the older microcode (iwlwifi-1000-3.ucode) and performance
in G mode is quite a bit better, but still not as good as it should be.
** Bug watch added: bugzilla.intellinuxwireless.org/ #2314
Moritz, are you still using 11n_disable=1 with WICD?
I suspect there might be two problems here. The first problem being N
not working correctly. You can find the 11n_disable=1 trick documented
for numerous distros. Based on my testing with Fedora 16 beta and the
mainline 3.1 kernel in 11.10,
I grabbed the latest Fedora 16 beta which uses 3.1.0-rc6 and my wireless
works perfectly. Both F16 beta and 11.10 are using the same firmware:
iwlagn :03:00.0: loaded firmware version 39.31.5.1 build 35138
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Good news and bad news. I'm now running this:
Linux foo 3.1.0-030100rc10-generic #201110200610 SMP Thu Oct 20 10:11:32
UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
The good news is that I have a stable connection with N enabled (not
using 11n_disable=1) and performance is good so far. I can't seem
I have a Intel Corporation Centrino Wireless-N 1000 (8086:0084) in a
Thinkpad x220. In 11.04, I had good performance once I added options
iwlagn 11n_disable=1. With 11.10 i'm using the same configuration.
The connection is stable, but the performance is noticeably worse.
For example, I'm
Just to add to the above, I have great link quality.
wlan0 IEEE 802.11bg ESSID:ssid
Mode:Managed Frequency:2.462 GHz Access Point: mac
Bit Rate=54 Mb/s Tx-Power=14 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
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