This affects me too, using Kubuntu 13.10 using both the 3.11.0-14-generic
kernel on my Acer Aspire E1-572.
There are times when I can stay connected for more than 20 minutes without
problem but most of the times I am dropped from eduroam within 1 - 5 minutes.
Android smartphone is connecting
In 12.04.x proposed there is patched wpasupplicant package, which solves
the problem to 90 percent. Give it a try!
There are random disconnects, but it is stable most of the time. From my
experience the 5 GHz channel are more stable than the 2 GHz ones.
Furthermore there are different kernel
Hi,
I havent tried the work around yet but I tried the Eduroam with Ubuntu 13.04 on
two different laptops and also get at lot of randomly disconnects :/
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Although this bug hasn't seen much activity, I still experience it on
12.04 LTS.
- It first connects fine
- after 5min I loose internet connection
- then wifi drops
- reconnect is ony possible when I switch off/on wifi by hardware key
I think it is a global problem, but for what it's worth,
This bug has been fixed in the 3.4 kernel (IIRC). So what I've done to
fix the problem is compile the appropriate kernel module into my running
kernel.
Download the latest stable snp release of compat wireless, extract and run
$ ./scripts/driver-select
Select the corresponding driver and run
$
Thanks Janis, I'll try your workaround as soon as i get to a non-eduroam
network.
This bug should therefore be fixed in the current development branch
13.04 (Raring). Can anyone confirm this, then the bug could finally be
closed for all 3.4+ ubuntu releases.
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I find that connecting only works if I set the network authentication to
PEAP. Trying to connect with TTLS will consistently fail. In XUbuntu
12.10, I had to do nothing else to make it work other than using PEAP.
If it matters or helps at all, my eduroam network is the one at
Hogeschool Utrecht
I have the same problem in 12.10 and I've had the problem since my
university switched to this marvelous eduroam.
** Tags added: quantal
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Title:
Does anyone know if the tric mentioned in #21 helps for connections
using PEAP too or only TLS? Another user from Berlin with connection
stability problems.
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I have the same problem. It connects and then after a while it
disconnects.
In order to have it running again I have to turn off the wifi (kill
switch)
Using 12.04 and kernel 3.4
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** Tags removed: maverick
** Tags added: precise
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Title:
Eduroam randomly disconnects
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** Tags added: oneiric
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I have seen this behaviour in Oneiric on an 802.11 wired network.
On Windows, the network connectivity instructions explicitly tell us to
disable Enable Fast Reconnect. The wpa_supplicant in Oneiric will not
read a configuration file by default added using just -c. Further, it
will not read a
After a brief* test of Oneiric (and back again) I am wondering:
has anyone observed this annoying behaviour in Oneiric?
tp.
* I didn't get around to testing it at Uni / a enterprise WLAN ...
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Hi,
Problem solved for me in Oneiric.
Regards
On 25-10-2011 10:47, thinkpad wrote:
After a brief* test of Oneiric (and back again) I am wondering:
has anyone observed this annoying behaviour in Oneiric?
tp.
* I didn't get around to testing it at Uni / a enterprise WLAN ...
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Same problem here on lucid LTS. The workaround #21 does not work for me.
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Eduroam randomly disconnects
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The workaround proposed in #21 (switching to GnuTLS) works for me. I've
had no more disconnections during over 6 hours of connection to the
wireless eduroam network at TU Darmstadt.
Before switching from OpenSSL to GnuTLS, I was disconnected from eduroam
after 10 to 20 minutes and could not
ok, I guess the problem is that no-one who mentioned fast reauth above
is no longer subscribing to this bug report... tough luck !
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Title:
?
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Title:
Eduroam randomly disconnects
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This isn't a hotline. Please allow more time for people to answer your
question.
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My laptop (msi wind cx-600) is suffering from the same problem, running Ubuntu
Natty 11.04 on the UvA (Universiteit van Amsterdam) eduroam network.
Any help would be greatly appreciated! Thanks.
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Hi,
many of you above have mentioned disabling fast reauthentication in
wpa_supplicant.conf as one possible / promising work-around solution.
May I kindly ask you (above) to please post more verbose step-by-step
instructions on how to disable fast reauth? Please post either here or
here:
also still having this problem in natty
i am connected for like 20 seconds after connected to eduroam in one of the
major buildings of fu berlin, then it'll disconnnect.
wpawpa2 enterprise, saved eap (peap) and a .pem certificate (peap
version: version 0, inner authentification: mschapv2) if
Is this bug still happening in Natty?
** Tags added: lucid maverick
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Yes I have some disconnects on Natty and eduroam (without certificate).
I've not been paying close attention to the frequency of disconnects though.
They are about once an hour..
(wpasupplicant version 0.7.3-0ubuntu1)
cheers.
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I have seen a problem which is very similar to this on an 802.11x wired
network - the initial connection is made successfully but after some
amount of time the machine is disconnected from the network and will
fail to automatically reconnect. As the network is at a University which
also runs
I had some problems building wpa_supplicant.
When the following command gets executed a segmentation fault occurs:
sed 's/^\([^#]\+=.*\|}\)/#\1/' wpa_supplicant/wpa_supplicant.conf
To get rid of the segmentation fault I changed every occurrence of
ssid=example in
The fast_reauth=0 fixed the bug for me. I still get this in the logs:
wpa_supplicant[5631]OpenSSL: tls_connection_handshake - Failed to
read possible Application Data error::lib(0):func(0):reason(0)
But the connection doesn't drop anymore.
This above is true for one of the
dupe or related to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/291760 ?
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I found same problem with unexpected disconnect with EduRoam Univeristy
of Opole in Poland. After several fails to get stable connection found
solution that set fast_reauth=0 can solve problem.
I`m work on Slackware 2.6.28 with:
wpa_supplicant-0.6.10-i486-1
openssl-0.9.8n-i486-1
Ah, same problem here. With Lucid final and up to date. I don't usually
connect to my Uni network, but I seem to remember this happening since
at least Jaunty.
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I will inspect the situation in the official stable release of ubuntu
LTS (lucid) and I will inform about possible solution. Regardless your
unsuccessful result, my self-compile instalation of wpa_supplicant 0.7.1
is working problemless. The problems may arise if you use private
certificate to
For me, the bug was fixed by installing the drivers from ralink,
available at:
http://www.ralinktech.com/support.php?s=2
(mine are RT2860PCI/mPCI/CB/PCIe(RT2760/RT2790/RT2860/RT2890, version
2.3.0.0 of 01/29/2010)
Install instructions for who needs them, for the rt2860:
* unpack the files,
I tried two methods of KILinux way. At first I compiled wpasupplicant
from source code myself and then copy all mentioned files to proper
location. The second method: download and exchange precompiled files by
KILinux to my system. But in both cases without success, after reboot of
my computer,
#23
iThe Diffie-Hellman prime sent by the server is not acceptable (not
long enough)./i
This maybe a bug (or a high-security feature) of gnu-tls library, for details
see:
http://lists.shmoo.com/pipermail/hostap/2008-November/018701.html,
and for a workaround you can try newer version of
#22 - According attached log-file, it could be problem of certificate (invalid
form or missing completely).
#23 - What is your eduroam security? I have tried my wpa_supplicant against
eduroam with WPA1-enterprise, TKIP and PEAP-MSCHAPv2 autorization.
Nevertheless, you can try another my
The bug affects me too, on EEE PC 1000HE running ubuntu karmic, on
university of amsterdam's eduroam.
I tried following KILinux's instructions for compiling wpasupplicant
(version 0.6.9 is included with karmic) against the GnuTLS library.
Build install succeeded. However, after a restart, the
I also compiled wpa_supplicant following KILinux's instructions on
Jaunty 8.10. Compile and install was succesful, I can see my recompiled
version successfully installed in Synaptic, but connection doesn't work
anymore when manually run:
$ sudo /sbin/wpa_supplicant -dd -f/home/user/log.txt
I have tried rebuilding of the source package of wpasupplicant in ubuntu
8.10 interpid according this procedure:
As root (sudo su):
1. Prepare building environment for packages:
apt-get install devscripts
2. Cd into /usr/src
3. obtain source package of wpasupplicant:
apt-get source wpasupplicant
Can you provide exact compile instructions so we can try this for our
self?
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I have found that the error (typically occurred in the rekeying process) might
be caused by the usage of openSSL libraries to which the ubuntu wpasupplicant
package is compiled.
Errors and reconnecting troubles with eduroam (WPA-TKIP-based) APs
disappared when I have compiled wpasupplicant for
I can confirm same problem like Luka Napotnik on Ubuntu 9.10,
wpasupplicant (0.6.9-3ubuntu1), every 60 minutes is Eduroam disconnected
and then I have to restart NetworkManager:
killall NetworkManager
NetworkManager
Immediately after that connection is established again for next 60
minutes.
I experienced this (as per my earlier comment). It drove me nuts, so I
did a little digging.
Wired connections were OK if I used wpa_supplicant via the terminal and added
fast_reauth=0 to my configuration file. Wireless worked if I used the Wicd
network manager, but Wicd doesn't support WPA
I experienced this (as per my earlier comment). It drove me nuts, so I
did a little digging.
Wired connections were OK if I used wpa_supplicant via the terminal and added
fast_reauth=0 to my configuration file. Wireless worked if I used the Wicd
network manager, but Wicd doesn't support WPA
** Package changed: ubuntu = wpasupplicant (Ubuntu)
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I can confirm this for 9.10 wireless. Works for a few seconds, then
disconnects.
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Me too.
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I can confirm this on 9.10 for wired. With wireless - I've given up
trying to connect at all due to the 802.1x requirements that Ubuntu
can't seem to cope with.
Same symptoms as others, not sure exactly when it loses connectivity,
but when it happens Ubuntu doesn't seem to realise. Everything
I can confirm this on 9.10 for wired. With wireless - I've given up
trying to connect at all due to the 802.1x requirements that Ubuntu
can't seem to cope with.
Same symptoms as others, not sure exactly when it loses connectivity,
but when it happens Ubuntu doesn't seem to realise. Everything
Since you report that the connection drops after exactly 60 minutes,
this could be related to a failure in 802.1x reauthentication request
from NAS (access point). I suspect a bug in wpa_supplicatnt.
Could everybody having problems clarify weather this happens on wired or
wireless network or
I can confirm that the bug also!!!
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The problem occurs when there is a request for re-authentication.
The request is sent by switch over 802.1x IEEE Standard. Luka, this
every 60min in your case. The same problem is also on Gentoo OS with
wpa_supplicant v0.6.9.
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Is there a workaround for this bug? Or is it fixed in newer
wpa_supplicant releases?
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I can confirm the problem on wired network. For wireless I need to do
some testing.
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My connection is wired. It happens on two computers with PCI or/and
motherboard integrated LAN card.
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My System log has some of these entries:
2009-11-11 21:32:07 r33d3m33r wpa_supplicant[18448]
CTRL-EVENT-EAP-STARTED EAP authentication started
2009-11-11 21:32:07 r33d3m33r wpa_supplicant[18448]
CTRL-EVENT-EAP-METHOD EAP vendor 0 method 21 (TTLS) selected
2009-11-11
I have completely the same problem. After some time connection drops and
i have to reconnect and this is becoming really annoying. And there is
also another bug with it. After few connections i have to add CA
certificate again, even if i showed location of CA hundred of times.
Could someone solve
** Changed in: ubuntu
Status: New = Confirmed
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My disconnection from the network takes place exactly 60 minutes after
the connection has been established. I have no timeouts that I'm aware
of. The connection doesn't drop but no host on the network is resolvable
so the only thing left to do is to reconnect.
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I can confirm that the bug is distribution-independent so there's
probably a bug somewhere in upstream userland or in incorrect
configuration by distributors.
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I just downgraded the kernel to 2.6.24 found here:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.24/
This kernel (2.6.24-24-generic) is also installed in Hardy and there, as
already mentioned, the connection never drops.
But here in 9.10 after boot the connection works, then after some time
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