** Summary changed:
- Wireless connection randomly drops
+ Wireless connection randomly drops -- ath9k
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Title:
Wireless connection randomly
After a few days of testing this, I got the same inability to connect to
wifi (wpa2, 802.11n). I start thinking it might not be the driver, but
something else. I get the feeling that it works in the begining and
after a while something happens (like something getts full) and there I
have it.
--
It's not something I've measured and would probably have to done in
context that streaming lots of data probably has impact elsewhere too
(disk, CPU, etc.) so would need to be done with a variety for use cases
and at different loads.
For me I haven't noticed any significant power or performance
I tried this and I did not see any difference.
The solution that worked for me (I only tested it in the last 24 hours
with 5-6 high speed torrent downloads 3-4 MB/s) was replacing the driver
(https://bbs.archlinux.org/viewtopic.php?pid=1085620#p1085620):
1º install kernel linux-headers
2º wget
@David Duffey (#15) - how do you feel the load on CPU with this option?
Did anyone test some other RC kernels to see if the bug is fixed?
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Title:
This bug haunted me as well, but I have not had this issue again since
creating
/etc/modprobe.d/ath9k.conf with the following line:
options atk9k nohwcrypt=1
While this is not a proper fix it might help file a solution and it makes
using
this laptop much more usable.
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David Duffey, Director
Ok, I run Precise Pangolin (Ubuntu 12.04) for almost one week already
and I can add more data.
uname -a
Linux florin-Satellite-C650 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22
UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
The bug is still there.
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If we are to post on bugzilla more information about this bug taken when
it occurs, what package should we pass to collect debugging data?
I tried this command, but it seems to be quite poor in information:
ubuntu-bug linux --save=~/Downloads/bug-report.txt
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You received this bug
The 3.4 kernel is now available. Would it be possible for you to test that
kernel, to see if the bug has been fixed? The v3.4 kernel can be downloaded
from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-rc2-precise/
** Changed in: linux (Ubuntu)
Importance: Medium = High
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You
Maybe there is someone else from here who installed Precise Pangolin.
I cannot test it as I installed Precise on a virtual machine to see how
it works (BTW, it seems to be great!), it is not installed on the laptop
hardware and I don't plan to install the Beta on the real machine, I
will wait for
** Tags added: kernel-wifi
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Title:
Wireless connection randomly drops
To manage notifications about this bug go to:
A noob question: does Triaged mean that we are getting closer to a
solution?
This bug makes a system running Ubuntu totally unreliable for long automated
run or for any kind of larger/faster downloads (I can never download torrents
without hardware restarting my router) using wifi connection.
Nope, it means abandonned but if you look closely you'll notice that
this bug is now handle directly on the linux kernel bug tracker with a
Confirmed status and a hight importance.
That just means that fixing that issue is not Ubuntu devs job but linux
kernel developers.
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Yes, it is a very old and nasty bug, I could see it during the last
Ubuntu versions.
I get it once in a while (minutes/hours, depending on how much traffic I
make); it disconnects the Wifi (WPA2) connection and I cannot connect
back to it. Usually a restart either of the router, or of the ubuntu
** Changed in: linux
Status: Unknown = Confirmed
** Changed in: linux
Importance: Unknown = High
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Title:
Wireless connection randomly
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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Title:
Wireless connection randomly drops
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This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report at bugzilla.kernel.org [1]? That will allow the upstream
Developers to examine the issue, and may provide a quicker resolution to
the bug.
If you
Here you go: https://bugzilla.kernel.org/show_bug.cgi?id=42877
And this is the bug that got it solved when the exact same issue
occurred in oneiric:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/735171
** Bug watch added: Linux Kernel Bug Tracker #42877
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=42877
Importance: Unknown
Status: Unknown
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Title:
Wireless
Would it be possible for you to test the latest upstream kernel? 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 kernel, please remove the 'needs-upstream-testing'
tag(Only that
I have updated to 3.3 RC6, due to the random nature of the bug, I'll
come back here in a couple of days to set the proper tags.
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Title:
Wireless
That wasn't long, the exact same bug sadly occurred with 3.3. RC6.
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
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Thank you for taking the time to file a bug report on this issue.
However, given the number of bugs that the Kernel Team receives during
any development cycle it is impossible for us to review them all.
Therefore, we occasionally resort to using automated bots to request
further testing. This is
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
Wireless connection randomly drops
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Title:
Wireless connection randomly drops
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** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Title:
Wireless connection randomly drops
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