[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-12-03 Thread Christiansen
@davidyu
 Thanks, it seems you are using the same type of adapter for your T60, as I am 
having bad experience with on more ThinkPads from the R-series, and that too 
have been reported not working above. What is different is that you are 
probably using a Certificate (LEAP) and WPA or WPA2 Enterprice right ? - where 
my bad experiences with this adapter type (and the ath5k module) is based 
primarily on WPA and WPA2 Personal or Webbased auth. on an Enterprise Cisco 
network and partly WPA/WPA2 Personal on different types of other SMB/home 
routers. From this I wonder if the bug could be related to an issue with the 
supplicant instead, and I try to see if I'm able get expected performance with 
a WPA/WPA2 Enterprice setup.
Are you able to get normal max speed (for 54G) around 18 to 22 Mbps (download) 
on your setup, or just as I experience less than 1 to 2 Mbps ?

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-12-02 Thread davidyu
My T40 use Atheros AR5211 chip which didn't work with Ath5k driver.
However, my another T60 with Atheros AR5212, works excellent with Ath5k.
I found T60 with Ath5k has faster connection and strong signal.
Hope this AR5211 bug could be fixed right away.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-12-02 Thread Christiansen
@davidyu,
Could you please post a sudo lspci -vvnn and a dmesg | grep -i phy from 
your working T60, there are still R/T60 with AR5212 based adapters not working 
without using the madwifi driver. What encryption are you using ?
  Thanks in advance.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-12-02 Thread davidyu
My another attachment from command dmesg | grep -i phy

My wireless AP(CISCO)  uses LEAP protocol.

** Attachment added: dmesg |grep -i phy
   http://launchpadlibrarian.net/36352801/dmesgInT60.txt

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-12-02 Thread davidyu
Here is my reply for Christiansen.
Pls see my two attachments.

** Attachment added: lspci -vvnn
   http://launchpadlibrarian.net/36352740/AtherosInT60.txt

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-12-01 Thread Prunus dulcis
The symptoms I am seeing after having completed step two are transfer
rate drops to zero (which can last up to 20 seconds), very low transfer
rates (no more than 2 or 3 kb per second for several minutes) and
overall very heavy spikes (transfer rate drops from 2 mb to 50 kb then
goes up again - this cycle can last half an hour before the transfer
rate normalizes - it usually becomes a lot better after reconnecting to
the wireless network).

I too hope that this bug can  be fixed VERY soon, since my brain already
started thinking about installing MS Windows again, which is something I
really would want to avoid if possible, but this bug is persevering now
for such a long time, that it is starting to feel, it will never get
fixed.

This is not meant as devaluing the wonderful work of the developers, but
a bug like this can do this to you after a few months with unreliable
internet access - things like internet telephone and sometimes even chat
are important for me and not really a good idea half the time because of
the heavy up-down spikes :-(

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-30 Thread davidyu
Finally, I followed all 3 steps , but still failed.
At last, I use Madwifi driver to connect my wifi. 
Here is my reference site : http://dimitar.me/?p=616.
Hope Ubuntu can fix this critical bug soon.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-28 Thread Frrerry
Was dropping the connection every 30 seconds or so, fixed with option
two.?field.comment=Was dropping the connection every 30 seconds or so,
fixed with option two.?field.comment=Was dropping the connection every
30 seconds or so, fixed with option two.

** Attachment added: lspci -vvnn
   http://launchpadlibrarian.net/36210514/lspci.txt

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-25 Thread Leann Ogasawara
For those of you who have ran apport-collect to post debug information,
if you could also add a comment describing the specific issue you are
seeing that would be great.  I should have been more clean in the bug
description.  Thanks!

** Description changed:

  This is the master tracking bug for ath5k driver connection and
  performance issues on IBM hardware running the latest Karmic 9.10
  release.  Please only post relevant debug information which will help
  developers track down the root cause of this issue.  This means no
  ranting or comments to the affect of me too's.
  
  If you are affected by this issue using the ath5k driver on IBM hardware
  please be sure to verify the following before posting a comment or
  adding information:
  
  1) Confirm this remains with the Karmic 9.10 release candidate or final 
release
  http://cdimage.ubuntu.com/releases/karmic/
  2) Confirm if this remains after having installed and tested with 
linux-backports-modules-wireless-karmic-generic
  sudo apt-get install linux-backports-modules-wireless-karmic-generic
  3) If possible, also test and confirm with the latest upstream 
compat-wireless stack, this will allow for additional upstream developers to 
help examine this issue:
  http://wireless.kernel.org/en/users/Download
  
  If step 1, 2, or 3 resolves this issue, please let us know.  If you
- still can confirm this issue after steps 1 and 2, please run the
+ still can confirm this issue after steps 1 and 2, please post a comment
+ describing the issue you are seeing and also be sure to run the
  following command which will automatically gather and attach relevant
  debug information:
  
  apport-collect -p linux 461419
+ 
+ =
+ 
+ Noted as working after installing linux-backports-modules-wireless-
+ karmic-generic:
+ 
+ Atheros Communications Inc. AR5212 802.11abg NIC [168c:1014] (rev 01)
+   Subsystem: IBM Device [1014:057e]

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-25 Thread chazz
Since upgrading to the Karmic Release, I haven't been able to connect to
any WiFi point using WPA. I can connect to open APs just fine with no
problems. I have am running the full release of Karmic, so that covers
1. I have tried steps 2 and 3, rebooting after each, and still no
connection on WPA. It tries for a long time, then just disconnects. This
started working for the first time out of the box in Jaunty on this
laptop, a Toshiba Satellite L25-S121. I did an in-place upgrade to
karmic a couple of days after release and have applied all security
updates as they became available in the update manager.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-19 Thread Vidar Hoel
Here is my lspci -vvnn after I resolved my issue with step 2. The
wireless network went from dropping connection randomly, but often,
under load (pre step 2) to working without problems (post step 2).

** Attachment added: lspci --vvnn
   http://launchpadlibrarian.net/35850020/lspci-vvnn.log

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-19 Thread Christiansen
@ Jarmo Torvinen
Thanks, You are having the exact Philips adapter I was referring to earlier : 
PCI-ID [168c:0012] sub [17ab:8310]. This one only works perfect with the 
madwifi ath_pci driver module, not provided from Ubuntu any more. And from 
all the logs above, doesn't  seem to work with the ath5k kernel driver module, 
the only module provided in 9.10/Karmic. From your lspci output it seems you 
are running the well performing madwifi module (Kernel driver in use: ath_pci), 
self-compiled or back on 9.04/Jaunty ?

@ Vidar Hoel
Thanks, You are having an atheros based adapter used in some T40 and R50 series 
: PCI-ID [168c:1014] sub [1014:057e], which seems to perform well with the 
ath5k kernel driver modules - in my experience the default drivers from the 
linux-image package works quiet well with the [1014:057e] adapter, but it could 
be that the backports-modules works even better - I will try the backports next 
time I install T40/R50 series.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-19 Thread Jarmo Torvinen
@Christiansen

Yes, I'm using the self-compiled madwifi-driver with Karmic. It seems to
work very well. ath5k does not work at all.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-19 Thread Julius Thor
@Jarmo

Have you tried linux-backports-modules-karmic? I believe I have the same 
Philips adapter(It's atleast a Philips adapter) on my T41p and it works pretty 
well with ath5k. Same result with my T60 which had horrible connectivity using 
ath5k until I installed the backport package.
Before I installed linux-backports-modules-karmic I used ath_pci on both 
laptops.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-19 Thread Jarmo Torvinen
@Julius Thor

No luck with that one either. Madwifi seems to be only driver working at
the moment.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-18 Thread Christiansen
@Vidar Hoel
I would be nice if you could supply us with a sudo lspci -vvnn, as there is 
more than one Atheros based adapter for the ThinkPad T40 series.
From all the logs above there seems to be two types Atheros adapters suffering 
from this issue, a Philips branded and a IBM and Lenovo branded ThinkPad 
adapter. Some Atheros adapters manufactured between those ones, maybe yours, 
seems to work a lot better. I've just tested the later with all tree steps, 
and it still doesn't work (WPA2/AES and PSK)
  Thanks in advance.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-18 Thread Jarmo Torvinen
Here is the output of the lspci -vvnn on my T40.

** Attachment added: lspci -vvnn on a T40 laptop
   http://launchpadlibrarian.net/35845437/lspci.txt

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-11-18 Thread Vidar Hoel
I did a fresh install of Ubuntu 9.10 (i386) on my IBM ThinkPad T42.
Wireless (WPA2 PSK) did work, but the connection dropped randomly under
load (Reconnected to my AP at least one time pr 2 minutes).

Did step 2, rebooted, and it now works. I have downloaded gigabytes of
data and the connection has not dropped once!

So: Step 2 was a bug-fixer for me!

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-30 Thread Jarmo Torvinen
step 2 changed my problem from not being able to connect at all with
WPA2 / Personal to able to connect with WPA2 and having lousy
performance.. Apport report incoming soon.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-29 Thread Julius Thor
I don't know if something has been done over the past week but now I'm
able to keep a stable connection an AP in my University and I'm
currently downloading karmic at 250-700KB/s where I would only get
2-15KB/s about a week ago and occasionally lose connection.

I'm on Karmic Beta
I recently installed linux-backports-modules-karmic and I'm on a Thinkpad T60

lspci -v
03:00.0 Ethernet controller: Atheros Communications Inc. AR5212 802.11abg NIC 
(rev 01)
Subsystem: IBM Device 058a
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at edf0 (64-bit, non-prefetchable) [size=64K]
Capabilities: [40] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 
Enable-
Capabilities: [60] Express Legacy Endpoint, MSI 00
Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
Capabilities: [100] Advanced Error Reporting ?
Capabilities: [140] Virtual Channel ?
Kernel driver in use: ath5k
Kernel modules: ath5k, ath_pci


ath_pci is present because I installed it from source.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-29 Thread Leann Ogasawara
@Max Bowsher (Comment #43), I agree that the failure to connect at all
vs poor connection speeds are two different issues.  Based on some of
the test and debug information posted here I've opened two new separate
bugs on the behalf of users @bjaglin (who's unable to connect with an
Atheros AR5211 - bug 463581) and @Christainsen (witnessing poor
connection speeds on an Atheros AR5212 - bug 463625).

@bjaglin and @Christiansen, I've taken the liberty to subscribe you to
the new bugs I opened on your behalf containing the relevant information
you posted here.  I'll follow up with each of you at the new bugs.
Thanks!

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-29 Thread Christiansen
@Julius Thor (#46) Any chance that you would kindly post a sudo lspci
-vvnn for your Atheros card, I'm very curious if it exactly the same as
Lenove used in the R60 models I'm using for my testing. What encryption
type are you using (none, wep, wpa, wpa2 and personal or enterprice
etc.) on the connection giving the good performance, and what type of
access point or wifi-router. I'm asking as I've tried several different
combinations, just to find if the root cause could be anything other
than the ath5k moduleREALLY Curious, and thanks in advance.

@ Leann Ogasawara (#47) Fine with me, I'm ready to supply whatever info
can help solve the issue.

Have to mention that right now I'm using a friends older ThinkPad with an IBM 
Atheros adapter, running at full speed and no drops at all. Using a Karmic 
final release and running right from the live CD. The adapter is PCI ID:
Ethernet controller [0200]: Atheros Communications Inc. AR5212 802.11abg NIC 
[168c:1014] (rev 01)Subsystem: IBM Device [1014:057e]

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-28 Thread mjjzf
I got issues on my T40p, but I have only experienced them with WPA/2 encryption.
Wpa_supplicant has an interesting output, which might lend some clues. Will 
attach the output at first opportunity.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-28 Thread mjjzf
I believe the card in my TP T40p is this one, though the page claims issues are 
resolved:
http://www.thinkwiki.org/wiki/IBM_Dual-Band_11a/b_Wi-Fi_Wireless_Mini_PCI_Adapter

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-27 Thread Lorenco Trichardt
I found some other connection bugs with unencrypted networks.  Have
marked those as dups of this one.  Also removed the Thinkpad reference
as there are Toshiba and other hardware but all links back to ath5k.

** Summary changed:

- [Karmic] Thinkpad T40p, Atheros AR5211 - ath5k driver connection and 
performance issues
+ [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-27 Thread Christiansen
The apport-collect above was collected using the Karmic RC Live CD and
default ath5k module from the linux-image. Connectionspeed was checked
several times using the ISPs reliable internet speed test, and the
result was less than 256Kbit/ps downspeed and very unstable - link was
checked to more than 2 Mbit/ps with an other Kubuntu 8.04 with the
default ath_pci module loaded, this was done in between the Karmic RC
tests - The boxes was connected to the AP one at a time, and no other
access for other client boxes was allowed.

The LBM was tested on an new installed Karmic RC fra the same live CD
and on the same box, and was updatet with all updates including the the
LBM. The test results was even worse than with the default ath5k module.

A test on an enterprise Cisco WiFi network was done too with the same box, and 
the connection speed was even less than with the default module and wireless 
stack.
Compiling an ath-pci module from source (Ver. 10.0.5.6), and loading the module 
on the other hand showed the expected connection speed on the enterprise 
network, which is approximately 18.000 Kbit/ps (18 Mbps effective on a 54G 
network).

I will try to go on to step 3 later this night, and report back if I
succeed.

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-27 Thread Christiansen
** Attachment removed: WifiSyslog.txt
   http://launchpadlibrarian.net/34488940/WifiSyslog.txt

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-27 Thread Christiansen

** Attachment added: WifiSyslog.txt
   http://launchpadlibrarian.net/34500020/WifiSyslog.txt

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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-27 Thread Christiansen
Successfully compiled the the wireless-compat stack dated 2009-10-27, and 
loaded the ath5k module without any errors seen in dmesg. Ran a connection 
speed test and got same result as with the LBM module, rebooted and reran the 
test with same bad result. So unfortunately it seems like the bug is still 
present in the latest modules too.
Modules loaded after sudo make install was:
ath5k 122372  0
mac80211 210508  1 ath5k
ath 8828  1 ath5k
cfg80211   131048  3 ath5k,mac80211,ath
led_class   4096  2 ath5k,thinkpad_acpi
 
BTW Removed some noise from a wired connection from the earlier attached 
WifiSyslog.txt and reattached.
Seems too that this apport-collect spams the bug-subscribers inboxes, isn't 
this at little inconvenient ?

-- 
[Karmic] Atheros AR5211 - ath5k driver connection and performance issues
https://bugs.launchpad.net/bugs/461419
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[Bug 461419] Re: [Karmic] Atheros AR5211 - ath5k driver connection and performance issues

2009-10-27 Thread Max Bowsher
Is it wise that we lump under one bug connection speed issues and
complete inability to connect at all? They seem not obviously the same
issue.

-- 
[Karmic] Atheros AR5211 - ath5k driver connection and performance issues
https://bugs.launchpad.net/bugs/461419
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