Peter Ullinger, thank you for taking the time to report this bug and helping to
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apport-collect 1408963
When reporting bugs in the future please use apport by
Same issue here on a Dell Vostro 1700 with Ubuntu 16.04.
Linux briga-laptop 4.4.0-36-generic #55-Ubuntu SMP Thu Aug 11 18:01:55
UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
[ 3125.120019] iwl3945 :0c:00.0: Queue 4 stuck for 2500 ms.
[ 3125.120026] iwl3945 :0c:00.0: On demand firmware reload
[
There's an upstream kernel bug report about this issue:
https://bugzilla.kernel.org/show_bug.cgi?id=93041
** Bug watch added: Linux Kernel Bug Tracker #93041
http://bugzilla.kernel.org/show_bug.cgi?id=93041
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Happening daily, often multiple times a day, on kernel 4.4.0-34-generic.
It happens more often if the screen goes blank/screensaver, so I started
using caffeine to just keep it from happening as often as it did. Still
goes out randomly, requires a restart. This is makes using a laptop that
needs
As Gena said -- happens multiple times a day on 16.04 with kernel
4.4.0-31. Still occurred with kernel 4.4.0-28, but less frequently.
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Problem again with 16.04
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https://bugs.launchpad.net/bugs/1408963
Title:
[Xbuntu 14.04, 14.10 and 15.04] Network manager stops working: iwl3945
:03:00.0:
For me the Problem is solved with 15.10.
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Title:
[Xbuntu 14.04, 14.10 and 15.04] Network manager stops working: iwl3945
I upgraded to Kubuntu 15.10 (from 15.04) three days ago and have been
running my laptop constantly since, without this problem cropping up
once, where it would happen at least once a day with 15.04.
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The intermittent disconnection still happens with kernel
4.2.0-16-generic. It does not happen on 2.4 ghz network though.
The method suggested on
http://ubuntuforums.org/showthread.php?t=2259037=13198699#post13198699
seems to be working for me. I'm quoting here:
sudo iw reg set IN
sudo sed -i
I'm also affected by a similar bug, though I'm not using ubuntu. I
thought it was just a sign of old age of my Thinkpad T61 wifi card.
I'm using gentoo with a 4.0.5 kernel, but the problem exists since
several kernel versions.
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** Attachment added: "Screenshot"
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1408963/+attachment/4500240/+files/1445261493569742503810.jpg
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This seems to be happening on my system much more frequently lately -
two or three times a day.
I know 15.10 is due out next week. Has anyone tried the Beta? Any
improvements re this bug?
J.
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I followed Riki's post / the German post to edit the config. It does not
eliminate the problem on my system.
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Title:
Hello,
After adding the following text in /etc/modprobe.d/iwl3945.conf the issue
didn't happened again (> 48 h) to me
#parm: antenna:select antenna (1=Main, 2=Aux, default 0 [both]) (int)
#parm: swcrypto:using software crypto (default 1 [software]) (int)
#parm: disable_hw_scan:disable hardware
Encountered the same error on Dell Latitude D630, BIOS A19 (current),
running Ubuntu Studio 15.04.
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Title:
[Xbuntu 14.04,
Just noticed - everything is fine when I connect to 2.4 WiFi on my
router and I have the error when I use 5 GHz. I tried all possible
variants of configuration for my 5 GHz access point - the same error. So
I am using 2.4 GHz now...
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The same error for me on Lubuntu 14.04 and Toshiba Tecra Z50-A.
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Title:
[Xbuntu 14.04, 14.10 and 15.04] Network manager
Hello,
I had same issues.
I solved it by following the german post.
I'll add the changed configs to this post
after a reboot all seems to be stable.
btw my laptop is a IBM Lenovo Thinkpad T61
03:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG
[Golan] Network Connection (rev
Same problem on acer 5630 running 3.19.0-26-generic #28-Ubuntu SMP Tue
Aug 11 14:16:45 UTC 2015 i686 i686 i686 GNU/Linux
This has been a problem for about 6 months. I currently am able to
(temporarily) fix it by sending the computer into sleep mode and then
waking it up again but would be great
Same problem here on asus S7F running kernel 3.19.0-26
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Title:
[Xbuntu 14.04, 14.10 and 15.04] Network manager stops
Same issue on T60 with iwl3945:
BSM uCode verification Failed...
Unable to set up bootstrap code: - 5
This is Ubuntu Vivid kernel 3.19.0-25
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Two versions of Ubuntu and this is still a major problem.
Running Ubuntu 15.04 (with several upgrades from previous versions) on Lenovo
S540 with RTL8723be.
Please, at least fix it for 15.10!!!
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Why is this still Undecided even after 8 months? It's basic
functionality that is buggy as hell. I, for one, need stable wifi
because the router is down the hall, and my flatmate's at that, and I
won't put 10 m of network cable across the flat just because my wifi
driver and the kernel won't talk.
same issue: HP dv6500 laptop with 3945ABG wireless, running Ubuntu
vivid.
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Title:
[Xbuntu 14.04, 14.10 and 15.04] Network
I'm having the same issue on a T60. Restarting Networkmanager results
into 100% CPU-Usage.
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Title:
[Xbuntu 14.04, 14.10
Same issue on Dell XPS m1330, calling CRDA at the end.
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Title:
[Xbuntu 14.04, 14.10 and 15.04] Network manager stops
Same issue. At the end
Dell XPS M1330
VIVID 1504.
Dmesg log attached.
** Attachment added: dmesg log
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1408963/+attachment/4431761/+files/dmesg_output.txt
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problem still manifests on kernel: 3.19.0-22-generic in vivid.
You'll find snipped dmesg output attached.
In this case, I'd hardly used the network card since boot.
** Attachment added: iwl3945abg-issue.txt
Also experiencing the same exact issue on a Dell Latitude D830.
Restarting NetworkManager doesn't help, nor does reloading the iwl3945
module, turning the wireless on/off via the physical switch, or any of
the other suggestions in this thread. Only solution is to reboot, and
it's a temporary
I'm getting this error several times a day, I've tried switching to
wicd, reloading the iwl3945, restart services, and neither of them
work, only rebooting solves the problem (for a while). This basically
makes my laptop unusable. One thing to note is that when I reload
iwl3945,
Same problem, from syslog:
Jun 12 23:07:45 jero-laptop kernel: [68448.600100] iwl3945 :04:00.0: Queue
0 stuck for 2500 ms.
Jun 12 23:07:45 jero-laptop kernel: [68448.600111] iwl3945 :04:00.0: On
demand firmware reload
Jun 12 23:07:45 jero-laptop kernel: [68448.605882] ieee80211 phy0:
Same problem. Dmesg in attachment, system information below.
sudo dmidecode -t 1 | egrep -v Serial Number|UUID
# dmidecode 2.12
SMBIOS 2.4 present.
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: LENOVO
Product Name: 1951PSG
Version: ThinkPad T60
I do encounter the same problem here with xubuntu 15.04 on my Dell
Latitude 430 quite frequently.
Looking at my syslog messages, this situation always seems to start with the
following output:
Jun 6 20:35:39 smithers kernel: [ 4126.496072] iwl3945 :0c:00.0: Error
sending C_POWER_TBL: time
More details on situation encountered on IBM Thinkpad T60 w/ Intel
wireless 3945ABG
card used to deauth itself (but still appear connected according to the
network manager applet icon) Telling nm to reconnect to the network
would fix the problem.
Now (after upgrade to xubuntu 15.04 from xubuntu
(see last comment)
** Attachment added: wireless-info.txt.gz
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1408963/+attachment/4406798/+files/wireless-info.txt.gz
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Similar behavior on a Dell inspiron 9400:
systemd[1]: Started Network Manager.
systemd[1]: Starting Network Manager Wait Online...
NetworkManager[8547]: error [1432706094.998351]
[platform/nm-linux-platform.c:2250] link_change(): Netlink error changing link
3: UP mtu 0 (1) driver 'iwl3945' udi
Similar on my old Acer Travelmate 5720 after an update from 14.04 (where
I didn't have any issues with this lately):
https://forum.ubuntuusers.de/topic/wlan-schmiert-immer-ab-nach-update-
von-14-04-a/#post-7581108. This is in German, unfortunately, but I hope
the console output there is still of
Error messages very similar to above.
Thinkpad T60.
32bit xubuntu 15.04
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Title:
[Xbuntu 14.04, 14.10 and 15.04] Network
Someone should really look into this bug, I've been getting it *at
least* once per day on my thinkpad t60 (it's more like 2-3 times daily
on average though) running xubuntu 15.04 64 bit, rendering whole
operating system pretty much unusable for anything that requires
longer/permanent internet
As above, Thinkpad T61. 64-bit Kubuntu 15.04
dmesg output attached. Can upload anything else that might help.
** Attachment added: dmesg output directly after loss of wireless connection
Exactly the same being seen here, frequently.
Vivid 15.04, upgraded on release from 14.10 (previously upgraded several times)
Intel 3945ABG using iwl3945
Dell Latitude D830
deauthenticating by local choice message in dmesg, followed by a dozen
or so lines of Failed check-sdata-in-driver check,
PS: I used to have intermittent network drops in ubuntu 14.04 which is
why I upgraded from LTS to 15.04 in the first place.
I used to workaround the problem by restarting the network-manager via
sudo service network-manager stop
sudo service network-manager start
This workaround has stopped
I found this page because I am seeing the same problem in kubuntu 15.04 Vivid
on a Lenovo Thinkpad T60 laptop.
The KDE5 plasma-nm (network manager) widget displays connected but all
network connections are terminated.
When selecting disconnect in an attempt to reconnect, all wireless networks
** Summary changed:
- [Kubuntu 14.04 and 14.10] Network manager stops working: iwl3945
:03:00.0: BSM uCode verification failed at addr ...; wlan0:
deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING),
+ [Xbuntu 14.04, 14.10 and 15.04] Network manager stops working: iwl3945
Still exists in Vivid:
wlan0: Failed check-sdata-in-driver check, flags: 0x4
[...]
iwl3945 :03:00.0: Unable to initialize device after 5 attempts.
Apr 22 09:01:48 sitronen-T500 kernel: [55395.044171] ieee80211 phy0: Hardware
restart was requested
Apr 22 09:01:48 sitronen-T500 kernel:
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