The symptoms match and the workaround at the top works. When I use the
nohwcrypt option I go straight from:
an unstable connection and file transfer bars which hang randomly and then come
back to life to:
a continuous 9MB wireless n connection. My wireless security model is WPA2 AES
However th
For me it was almost certainly the 802.11n problem. If you have access to the
router, disable it there.
If you don't, then the situation is worse. Unfortunately, ath9k hasn't got an
easy way to disable it on the device (11n_disable option as some other drivers
do). You may compile your own one,
I am running kernel 2.6.38-11-generic #48 and I am still having the slow
connection error. Is there a way to downgrade to 2.6.38-10?
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Title:
wlan
fixed in kernel 2.6.38-10.46
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Title:
wlan (AR928X, ath9k) slow since upgrade to natty
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Okay, I'm just going to go ahead and set the status to fixed then.
decker, if you still see problems please reopen.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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I expect it has fixed decker's problem. I have my router set in mixed
WPA/WPA2 mode and I have not disabled h/w encryption via the commands
decker suggested.
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Thanks for the update, Mark.
decker: Could you please test with natty kernel version 2.6.38-10.46
that was just released to see whether your problem is fixed? Thanks!
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A kernel update came through the Ubuntu Update Manager today which has
fixed the problem. I am now running, according to 'uname -a'
$ uname -a
Linux NeurosLINK 2.6.38-10-generic #46-Ubuntu SMP Tue Jun 28 15:07:17 UTC 2011
x86_64 x86_64 x86_64 GNU/Linux
The System Monitor reports the kernel as 2.
Mark: Do you have the proposed archive enabled? If not, and if you
haven't done anything else special to install a kernel, then you aren't
running 2.6.38.8. If you paste the output of 'uname -a' I can tell you
exactly what you're running. Note that running Ubuntu kernel version
2.6.38-8.42 does not
I am running 2.6.38.8 on Natty (11.04). I did nothing special to get
this kernel installed. The problem is NOT fixed there. I have very
slow downloads and > 10% packet loss to my router.
I tried the commands in comment #8 but apt-get dist-upgrade reports:
Reading state information... Done
Calc
@Rob: If you'll attach the output of dmesg and /var/log/syslog I'll take
a look at them. Make sure to collect these logs after you've been
experiencing the issue.
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I've tried the kernel from comment #17 but I'm still having the issue
(connection unusably slow and most often 'dies' after a short while...
but still appearing the be connected from NetworkManager's perspective -
requests just sit there waiting) - I've also tried the .39 kernels from
the PPA in co
@Robert, great, thanks for testing. Those fixes will be included in a
future natty kernel update.
Everyone else, please go ahead and test the kernel linked to in comment
#17 even though Robert's results were good. It is frequently the case
that there are several different issues at play, so what f
I tried linux-
image-2.6.38-02063808-generic_2.6.38-02063808.201106040910_amd64.deb and
this seems to have fixed the problem for me.
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Title:
wlan
There have been quite a few atheros bug fixes in the .38 stable kernels,
so it would be good to check the most recent stable kernel to see if the
bug is already fixed there. This is available at:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.38.8-natty/
Please post your results here. If it's
I added a comment in 735171.. Right now with my ath9k I'm getting
~60kb/sec. with 10.04 and 10.10 I was getting ~2-5MB/sec. I'm now
download the ppa kernel (via wired connection since Natty/11.04 has
crushed my wireless functionality)
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Tiago, thank you! I upgraded the kernel and everything worked!
I had a problem with fglrx though (the same as darkanry), but I used this
script:
http://home.comcast.net/~ibladesi/fixfglrx.sh
from ibladesi to install ati drivers. It helped!
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Tiago's new kernel does fix the slow problem. However, I got a new
problem with the new kernel.
System hang for a while when login, and I got the following error
messages in the syslog. It looks like a bug in the new kernel. Once I
roll back to the old kernel, it disappeared.
kernel: [ 75.020
I tried the kernel and the nohwcrypt solutions but didn't work for me,
so i've downloaded and installed the madwifi drivers (sorry i can't pont
the website, but there's a lot of how-to's about the procedure). It was
my last choice since i don't like to mess with the modules and
blacklisted modules.
Tiago, I love you! :)
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Title:
wlan (AR928X, ath9k) slow since upgrade to natty
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Hi Tiago,
without fglrx does not run natty GUI. I hope it will be soon somehow
solved.
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Title:
wlan (AR928X, ath9k) slow since upgrade to natty
Hi darkanry,
You first need to uninstall fglrx restricted driver because it is not
compatible with the new kernel.
Cheers
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Title:
wlan (AR928X,
Hi Tiago,
I've tried your package. This is a part from an installation:
...
* dkms: running auto installation service for kernel 2.6.39-0-generic
* fglrx (8.840)...[fail]
...
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** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Description changed:
+ ***Fixed in 2.6.39 (oneiric)***
+
Since upgrade to natty (from lucid) the network connection with my wlan
card (AR928X) is awfully slow. The wlan was ok under lucid and reaches
full speed when I boot in
I can confirm that bug was fixed on kernel 2.6.39.
To solve it on Natty:
sudo add-apt-repository ppa:kernel-ppa/ppa
sudo apt-get update && sudo apt-get dist-upgrade -y
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By me it hangs by >sudo ifup wlan0:(
What can be wrong, with 10.04 were no problem?
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Title:
wlan (AR928X, ath9k) slow since upgrade to natty
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The workaround does work for me though, of course, one must correct the
typo and replace the two instances of "ath5k" with "ath9k".
As stated in the ubuntuforums entry cited above you can make the
workaround permanent by adding a file ath9k.conf containing the line
"options ath9k nohwcrypt=1" to /
Correction. That does workaround does not seem to work it just started
experiencing the slow downs again. I will try building compat-wireless
to see if that helps.
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While the hwcrypt option seem sto help a little I'm still receiving some
packet loss. That appears to be the "slow down" problem.
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Title:
wlan (A
I have a 0b:00.0 Network controller: Atheros Communications Inc. AR5008
Wireless Network Adapter (rev 01)
and unfortunately that workaround didn't work for me.
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seems to be a problem with mixed WPA/WPA2 mode on the ath9k driver, the
following work-around solves the problem:
sudo rmmod -f ath5k
sudo modprobe ath5k nohwcrypt=1
see also http://ubuntuforums.org/showthread.php?t=1682388
** Summary changed:
- wlan card (AR928X) slow since upgrade to natty
+
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