Launchpad has imported 8 comments from the remote bug at https://bugzilla.redhat.com/show_bug.cgi?id=643211.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2010-10-14T22:04:20+00:00 boggiano wrote: Description of problem: Every 120 seconds my connection stops for about 2 seconds. It disconnects from AP then reconnects immediately. Kernel is 2.6.34.7-56.fc13.i686.PAE. NetworkManager-0.8.1-6.git20100831.fc13 How reproducible: Always Steps to Reproduce: 1. Start networkmanager 2. Looks into logs Actual results: Expected results: Additional info: The connection is "insecure" (not WPA or WEP). 120 is the "max time", sometimes even less. (as you can see in the attach file iwevent.txt). If I stop NW and I use iwconfig by hand, this problem stops but I need a "ping -c www.google.com" in background or the connection drops. If I lunch the command: while : ; do iwconfig wlan0|grep 'Freq' ;sleep 1; done this is the output during the "disconnects": Mode:Managed Frequency:2.412 GHz Access Point:xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.412 GHz Access Point:xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated Mode:Managed Frequency:2.412 GHz Access Point:xx:xx:xx:xx:xx:xx Mode:Managed Frequency:2.412 GHz Access Point:xx:xx:xx:xx:xx:xx Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/32 ------------------------------------------------------------------------ On 2010-10-14T22:05:23+00:00 boggiano wrote: Created attachment 453591 Output of iwevent command Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/33 ------------------------------------------------------------------------ On 2010-10-18T17:35:59+00:00 Dan wrote: This is due to periodic scanning. If you don't want periodic scanning (which allows intra-SSID roaming and faster reassociation on connection loss) then you can disable it by "locking" your connection to a specific BSSID in the connection editor. Right-click on the network applet and choose Edit Connections... or run 'nm-connection-editor', click the Wireless tab, double-click on your wifi connection, and in the Wireless tab in that edit window, enter your AP's MAC address. Then click Apply, and re-select your wifi network from the applet's menu. NM will then tell the supplicant and driver to lock the connection to that specific AP, and will no longer request periodic scans. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/35 ------------------------------------------------------------------------ On 2010-10-18T20:39:16+00:00 boggiano wrote: Yes!! It works very well! Thanks a lot!!! Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/36 ------------------------------------------------------------------------ On 2011-01-10T22:35:27+00:00 Steven wrote: I've just tried the above fix on a HP 6730b laptop running Fedora 14 and the machine is still re-connecting to the same BSSID Mac address every 20 minutes. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/37 ------------------------------------------------------------------------ On 2011-01-10T22:51:31+00:00 Dan wrote: Just because *NM* isn't asking for scans doesn't mean something else like the supplicant itself isn't asking for them. Believe it or not, there are valid reasons to do a scan while connected. Like if the driver decides to disconnect for some reason, or if the AP timed out because somebody turned on a microwave, etc. Take a look at 'dmesg' output from that time, and it's likely that the AP failed to respond to probe requests, which causes a disconnect, which causes the supplicant to scan for an AP to reconnect to. The fix above just means that *NM* isn't asking for periodic scans, it doesn't suppress *all* scans by the wireless stack entirely, because there's often good reason why they are done. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/38 ------------------------------------------------------------------------ On 2011-01-10T22:57:49+00:00 Steven wrote: Problem is when the scan kicks in I loose my wireless connection for 2-3 seconds which is a real pain if I'm using ssh into a server and can no longer type. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/39 ------------------------------------------------------------------------ On 2011-09-06T13:31:13+00:00 Maciej wrote: I'm having the same problem. My connection is interrupted every few minutesduring iwevent showing "Scan request completed". When using SSH, synergy or any other 'live connection' the work is troublesome. I don't care if NM scans, but I think the connection shouldn't be interrupted during that. The workaround with setting exact BSSID MAC address in NM configuration works, but is the connection interrupted by design? Maybe it's iwlagn module/firmware bug? or NetworkManager's fault? Detailed info: - hardware: 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35) - OS Fedora 14 (with latest updates) - kernel: 2.6.35.14-95.fc14.x86_64 #1 SMP Tue Aug 16 21:01:58 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux - iwlagn module srcversion: 683C5EFF5AC57D530DD7FC4 - iwlagn firmware version 9.221.4.1 build 25532 - NetworkManager version: 0.8.4-2.git20110622.fc1 Reply at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/comments/40 ** Changed in: fedora Status: Unknown => Invalid ** Changed in: fedora Importance: Unknown => Medium -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/459933 Title: wifi disconnects when nm scans (iwlagn - intel 5100 AGN) Status in linux package in Ubuntu: Fix Released Status in Fedora: Invalid Bug description: network-manager seems to be disconnecting my wifi link very often, (every 2 minutes or so). When looking at "iwevent" output this seems to be each time nm does a scan. This is the iwevent output starting from wifi disabled in nm and then enabling it, stopping after the first re-connect: Waiting for Wireless Events from interfaces... 19:16:38.889686 wlan0 Set Mode:Managed 19:16:52.155658 wlan0 Scan request completed 19:16:52.156326 wlan0 Set Mode:Managed 19:16:52.156356 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:16:52.163892 wlan0 Custom driver event:ASSOCINFO(ReqIEs=00066465766f726b010802040b160c12182432043048606cdd160050f20101000050f20201000050f20201000050f202 RespIEs=010882840b160c12182432043048606c) 19:16:52.166435 wlan0 New Access Point/Cell address:00:0E:2E:EB:C1:94 19:17:03.301311 wlan0 Scan request completed 19:17:03.301374 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326480 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326529 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326546 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326552 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326558 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326565 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326571 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326577 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326584 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326590 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326597 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326603 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326610 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326616 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326622 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326629 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326635 wlan0 New Access Point/Cell address:Not-Associated 19:17:03.326641 wlan0 New Access Point/Cell address:Not-Associated 19:17:04.922468 wlan0 New Access Point/Cell address:Not-Associated 19:17:08.751045 wlan0 Scan request completed 19:17:08.752014 wlan0 Set Mode:Managed 19:17:08.752051 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:17:09.352184 wlan0 New Access Point/Cell address:Not-Associated 19:17:16.948128 wlan0 Scan request completed 19:17:16.948173 wlan0 Set Mode:Managed 19:17:16.948188 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:17:17.562482 wlan0 New Access Point/Cell address:Not-Associated 19:17:22.488111 wlan0 Scan request completed 19:17:22.488149 wlan0 Set Mode:Managed 19:17:22.488164 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:17:23.092096 wlan0 New Access Point/Cell address:Not-Associated 19:17:30.699724 wlan0 Scan request completed 19:17:30.700822 wlan0 Set Mode:Managed 19:17:30.700847 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:17:31.302122 wlan0 New Access Point/Cell address:Not-Associated 19:17:38.895412 wlan0 Scan request completed 19:17:47.083300 wlan0 Scan request completed 19:17:47.084040 wlan0 Set Mode:Managed 19:17:47.084074 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:17:47.682102 wlan0 New Access Point/Cell address:Not-Associated 19:17:55.278943 wlan0 Scan request completed 19:17:55.279925 wlan0 Set Mode:Managed 19:17:55.279956 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:17:55.883364 wlan0 New Access Point/Cell address:Not-Associated 19:18:03.519360 wlan0 Scan request completed 19:18:03.520023 wlan0 Set Mode:Managed 19:18:03.520050 wlan0 Set Frequency:2.462 GHz (Channel 11) 19:18:03.537587 wlan0 Custom driver event:ASSOCINFO(ReqIEs=00066465766f726b010802040b160c12182432043048606cdd160050f20101000050f20201000050f20201000050f202 RespIEs=010882840b160c12182432043048606c) 19:18:03.562037 wlan0 New Access Point/Cell address:00:0E:2E:EB:C1:94 At 19:17:03 it lost the connection which it re-gained at 19:18:03 (very last line) ProblemType: Bug AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: flub 4530 F.... pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xd8900000 irq 17' Mixer name : 'Analog Devices AD1984A' Components : 'HDA:11d4194a,103c3614,00100400 HDA:11c11040,103c1378,00100200' Controls : 22 Simple ctrls : 14 Date: Sat Oct 24 19:07:23 2009 DistroRelease: Ubuntu 9.10 HibernationDevice: RESUME=/dev/mapper/signy-swap0 MachineType: Hewlett-Packard HP Compaq 6730s Package: linux-image-2.6.31-14-generic 2.6.31-14.48 ProcCmdLine: root=/dev/mapper/hostname-root ro quiet splash ProcEnviron: PATH=(custom, user) LANG=en_GB.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.31-14.48-generic RelatedPackageVersions: linux-backports-modules-2.6.31-14-generic N/A linux-firmware 1.24 SourcePackage: linux Uname: Linux 2.6.31-14-generic x86_64 WpaSupplicantLog: dmi.bios.date: 09/18/2008 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68PZU Ver. F.07 dmi.board.name: 30E8 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 94.1A dmi.chassis.asset.tag: CNU84954F6 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68PZUVer.F.07:bd09/18/2008:svnHewlett-Packard:pnHPCompaq6730s:pvrF.07:rvnHewlett-Packard:rn30E8:rvrKBCVersion94.1A:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP Compaq 6730s dmi.product.version: F.07 dmi.sys.vendor: Hewlett-Packard --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ubuntu 2980 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xd8900000 irq 17' Mixer name : 'Analog Devices AD1984A' Components : 'HDA:11d4194a,103c3614,00100400 HDA:11c11040,103c1378,00100200' Controls : 18 Simple ctrls : 11 DistroRelease: Ubuntu 10.04 LiveMediaBuild: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318) MachineType: Hewlett-Packard HP Compaq 6730s Package: linux (not installed) ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- ProcEnviron: LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-16.25-generic Regression: Yes RelatedPackageVersions: linux-firmware 1.32 Reproducible: Yes Tags: lucid needs-upstream-testing regression-release TestedUpstream: No Uname: Linux 2.6.32-16-generic x86_64 UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare dmi.bios.date: 09/18/2008 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68PZU Ver. F.07 dmi.board.name: 30E8 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 94.1A dmi.chassis.asset.tag: CNU84954F6 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68PZUVer.F.07:bd09/18/2008:svnHewlett-Packard:pnHPCompaq6730s:pvrF.07:rvnHewlett-Packard:rn30E8:rvrKBCVersion94.1A:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP Compaq 6730s dmi.product.version: F.07 dmi.sys.vendor: Hewlett-Packard --- Architecture: amd64 DistroRelease: Ubuntu 10.04 Package: linux (not installed) ProcEnviron: PATH=(custom, user) LANG=en_GB.utf8 SHELL=/bin/bash Tags: lucid Uname: Linux 2.6.33-02063303-generic x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UserGroups: adm admin cdrom dialout dip kvm libvirtd lpadmin netdev plugdev pulse-access root sambashare staff sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/459933/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
