*** This bug is a duplicate of bug 971728 *** https://bugs.launchpad.net/bugs/971728
Public bug reported: I have this WiFi dongle: ID 0846:9001 NetGear, Inc. WN111(v2) RangeMax Next Wireless [Atheros AR9170+AR9101] After a random amount of time, the connection seems up but there isn't data transfers (for example no DNS lookup). After minutes I have this in my dmesg: [ 1625.246976] ieee80211 phy0: channel change: 2427 -> 2432 failed (3). Info on carl9170 config: [ 843.389952] usb 1-2: driver API: 1.9.4 2011-08-15 [1-1] [ 843.389960] usb 1-2: firmware API: 1.9.5 2012-03-14 I've tried the new firmware avaiable on official carl9170 page but this did not fix this bug. My workaround for reactivate the connection is turn off the device and then turn on: sudo rfkill block 0 && sudo rfkill unblock 0 This bug not affected Ubuntu 11.10. I don't know if the bug is carl9170 or NetworkManager related. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-24-generic 3.2.0-24.37 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: dnax 1618 F.... pulseaudio Card0.Amixer.info: Card hw:0 'V8237'/'VIA 8237 with CMI9761A+ at 0xc400, irq 22' Mixer name : 'C-Media Electronics CMI9761A+' Components : 'AC97a:434d4983' Controls : 41 Simple ctrls : 30 Date: Mon May 21 23:55:18 2012 HibernationDevice: RESUME=UUID=02b6d7b7-d9f5-46a7-97bf-e61a26afb79d InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5) ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic root=UUID=643d3fdd-0f4b-40ff-b7f1-3c8779afd263 ro ipv6.disable=1 quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-24-generic N/A linux-backports-modules-3.2.0-24-generic N/A linux-firmware 1.79 RfKill: 2: phy2: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to precise on 2012-05-13 (8 days ago) dmi.bios.date: 05/19/2005 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.40 dmi.board.name: K7VT4APro dmi.board.version: 1.0x dmi.chassis.asset.tag: 00000000 dmi.chassis.type: 3 dmi.chassis.version: X.XX dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.40:bd05/19/2005:svn:pnK7VT4APro:pvr1.0x:rvn:rnK7VT4APro:rvr1.0x:cvn:ct3:cvrX.XX: dmi.product.name: K7VT4APro dmi.product.version: 1.0x ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug i386 precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1002545 Title: WiFi network blocked [carl9170] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1002545/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs