I was forgetting... this on a DELL E6500 using intel Ultimate N wifi 5300 and kubuntu raring 64bit
-- 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/1129661 Title: [8086:4238]: frequents drop outs and occasional disconnects on 5GHz wifi Status in “linux” package in Ubuntu: Confirmed Bug description: When I connect to my 5GHz wlan from a certain distance, I get frequents drop outs and occasional disconnects accompagnied with this: Feb 18 01:02:19 simon-laptop kernel: [20827.434858] ------------[ cut here ]------------ Feb 18 01:02:19 simon-laptop kernel: [20827.434886] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/drivers/net/wireless/iwlwifi/iwl-trans.h:565 iwlagn_mac_flush+0x1a3/0x1b0 [iwlwifi]() Feb 18 01:02:19 simon-laptop kernel: [20827.434891] Hardware name: 2516CTO Feb 18 01:02:19 simon-laptop kernel: [20827.434895] iwl_trans_wait_tx_queue_empty bad state = 0 Feb 18 01:02:19 simon-laptop kernel: [20827.434898] Modules linked in: iwlwifi mac80211 cfg80211 ebtable_nat ebtables bridge stp llc snd_hda_codec_hdmi nf_conntrack_ipv6 nf_defrag_ipv6 coretemp snd_hda_codec_conexant ip6table_filter snd_hda_intel kvm_intel snd_hda_codec ip6_tables kvm xt_LOG xt_owner xt_conntrack joydev iptable_filter arc4 ipt_MASQUERADE snd_hwdep snd_pcm xt_tcpudp thinkpad_acpi snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq uvcvideo iptable_nat snd_timer nf_nat videobuf2_core videodev snd_seq_device firewire_ohci ghash_clmulni_intel nf_conntrack_ipv4 e1000e nf_conntrack psmouse dm_multipath firewire_core sdhci_pci nf_defrag_ipv4 intel_ips videobuf2_vmalloc crc_itu_t snd sdhci snd_page_alloc ip_tables scsi_dh videobuf2_memops soundcore lpc_ich nvram x_tables microcode serio_raw mac_hid dm_crypt mxm_wmi aesni_intel cryptd aes_x86_64 wmi i915 drm_kms_helper drm i2c_algo_bit video [last unloaded: cfg80211] Feb 18 01:02:19 simon-laptop kernel: [20827.435029] Pid: 1981, comm: kworker/u:2 Not tainted 3.5.0-24-generic #37~precise1-Ubuntu Feb 18 01:02:19 simon-laptop kernel: [20827.435032] Call Trace: Feb 18 01:02:19 simon-laptop kernel: [20827.435046] [<ffffffff81052c6f>] warn_slowpath_common+0x7f/0xc0 Feb 18 01:02:19 simon-laptop kernel: [20827.435089] [<ffffffffa059a420>] ? ieee80211_mgd_probe_ap.part.26+0x130/0x130 [mac80211] Feb 18 01:02:19 simon-laptop kernel: [20827.435097] [<ffffffff81052d66>] warn_slowpath_fmt+0x46/0x50 Feb 18 01:02:19 simon-laptop kernel: [20827.435117] [<ffffffffa039efe3>] iwlagn_mac_flush+0x1a3/0x1b0 [iwlwifi] Feb 18 01:02:19 simon-laptop kernel: [20827.435150] [<ffffffffa0599cf1>] ieee80211_mgd_probe_ap_send+0x131/0x210 [mac80211] Feb 18 01:02:19 simon-laptop kernel: [20827.435160] [<ffffffff810707d2>] ? cwq_activate_first_delayed+0x52/0x110 Feb 18 01:02:19 simon-laptop kernel: [20827.435181] [<ffffffffa0270264>] ? ___cfg80211_scan_done+0x84/0xe0 [cfg80211] Feb 18 01:02:19 simon-laptop kernel: [20827.435215] [<ffffffffa059a3ff>] ieee80211_mgd_probe_ap.part.26+0x10f/0x130 [mac80211] Feb 18 01:02:19 simon-laptop kernel: [20827.435249] [<ffffffffa059a44e>] ieee80211_sta_monitor_work+0x2e/0x30 [mac80211] Feb 18 01:02:19 simon-laptop kernel: [20827.435257] [<ffffffff81071b5a>] process_one_work+0x11a/0x480 Feb 18 01:02:19 simon-laptop kernel: [20827.435265] [<ffffffff81072b75>] worker_thread+0x165/0x370 Feb 18 01:02:19 simon-laptop kernel: [20827.435273] [<ffffffff81072a10>] ? manage_workers.isra.29+0x130/0x130 Feb 18 01:02:19 simon-laptop kernel: [20827.435280] [<ffffffff81077b13>] kthread+0x93/0xa0 Feb 18 01:02:19 simon-laptop kernel: [20827.435289] [<ffffffff816a8d24>] kernel_thread_helper+0x4/0x10 Feb 18 01:02:19 simon-laptop kernel: [20827.435297] [<ffffffff81077a80>] ? flush_kthread_worker+0xb0/0xb0 Feb 18 01:02:19 simon-laptop kernel: [20827.435304] [<ffffffff816a8d20>] ? gs_change+0x13/0x13 Feb 18 01:02:19 simon-laptop kernel: [20827.435308] ---[ end trace 292e790c334eb4d5 ]--- Feb 18 01:02:19 simon-laptop kernel: [20827.435320] ieee80211 phy0: Hardware restart was requested Feb 18 01:02:19 simon-laptop kernel: [20827.435364] ------------[ cut here ]------------ The same AP also has a 2.4GHz wlan and I don't have any problem with it. Various informations: $ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04 $ cat /proc/version_signature Ubuntu 3.5.0-24.37~precise1-generic 3.5.7.4 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.5.0-24-generic 3.5.0-24.37~precise1 ProcVersionSignature: Ubuntu 3.5.0-24.37~precise1-generic 3.5.7.4 Uname: Linux 3.5.0-24-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25. ApportVersion: 2.0.1-0ubuntu17.1 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: simon 4210 F.... pulseaudio /dev/snd/pcmC0D0p: simon 4210 F...m pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xf2620000 irq 44' Mixer name : 'Intel IbexPeak HDMI' Components : 'HDA:14f15069,17aa214c,00100302 HDA:80862804,17aa21b5,00100000' Controls : 43 Simple ctrls : 15 Card29.Amixer.info: Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 6IHT43WW-1.18' Mixer name : 'ThinkPad EC 6IHT43WW-1.18' Components : '' Controls : 1 Simple ctrls : 1 Card29.Amixer.values: Simple mixer control 'Console',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Mon Feb 18 20:09:13 2013 HibernationDevice: RESUME=/dev/dm-8 Lsusb: Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 17ef:480f Lenovo Integrated Webcam [R5U877] MachineType: LENOVO 2516CTO MarkForUpload: True ProcEnviron: LANGUAGE=en_CA:en TERM=xterm PATH=(custom, no user) LANG=en_CA.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-24-generic root=/dev/mapper/crypt-root ro quiet splash i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 possible_cpus=4 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.5.0-24-generic N/A linux-backports-modules-3.5.0-24-generic N/A linux-firmware 1.79.2 RfKill: 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/26/2012 dmi.bios.vendor: LENOVO dmi.bios.version: 6IET84WW (1.44 ) dmi.board.name: 2516CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr6IET84WW(1.44):bd09/26/2012:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2516CTO dmi.product.version: ThinkPad T410 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1129661/+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
