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Message #40509
[Bug 1269441] Missing required logs.
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1269441
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: saucy
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https://bugs.launchpad.net/bugs/1269441
Title:
Connection drops though network manager reports everything as OK
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
A few times a day, my connection will drop and the network manager
applet is telling me that there is no problem. However, I can no
longer connect to my wifi router or the outside internet.
In the syslog I see the following call trace:
Jan 14 16:34:10 hostname NetworkManager[1530]: <info> (wlan0): supplicant interface state: scanning -> authenticating
Jan 14 16:34:10 hostname NetworkManager[1530]: <info> (wlan0): supplicant interface state: authenticating -> associating
Jan 14 16:34:10 hostname kernel: [ 6589.140154] wlan0: RX AssocResp from a0:ec:80:4f:f5:c8 (capab=0x431 status=0 aid=1)
Jan 14 16:34:10 hostname kernel: [ 6589.143422] ------------[ cut here ]------------
Jan 14 16:34:10 hostname kernel: [ 6589.143463] WARNING: CPU: 2 PID: 26219 at /build/buildd/linux-3.11.0/drivers/net/wireless/iwlwifi/pcie/tx.c:1490 iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]()
Jan 14 16:34:10 hostname kernel: [ 6589.143467] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) cuse parport_pc snd_hda_codec_hdmi joydev ppdev snd_hda_codec_realtek x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crc32_pclmul aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd dell_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev dell_laptop dcdbas btusb microcode arc4 rfcomm iwldvm bnep mac80211 bluetooth psmouse serio_raw iwlwifi snd_hda_intel snd_hda_codec cfg80211 snd_hwdep snd_pcm wmi snd_page_alloc i915 snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq video snd_seq_device binfmt_misc drm_kms_helper snd_timer drm snd mei_me i2c_algo_bit soundcore mei lpc_ich mac_hid lp parport ahci libahci
Jan 14 16:34:10 hostname kernel: [ 6589.143594] CPU: 2 PID: 26219 Comm: kworker/u16:1 Tainted: GF O 3.11.0-15-generic #23-Ubuntu
Jan 14 16:34:10 hostname kernel: [ 6589.143600] Hardware name: Dell Inc. Dell System XPS L321X/085X6F, BIOS A06 07/02/2012
Jan 14 16:34:10 hostname kernel: [ 6589.143651] Workqueue: phy0 ieee80211_iface_work [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.143659] 00000000 00000000 f64318cc c1627228 00000000 f64318fc c105267e c17f95f0
Jan 14 16:34:10 hostname kernel: [ 6589.143681] 00000002 0000666b f882f210 000005d2 f88218d6 f88218d6 f2c20000 00000077
Jan 14 16:34:10 hostname kernel: [ 6589.143702] f6431984 f643190c c1052742 00000009 00000000 f6431958 f88218d6 f3761064
Jan 14 16:34:10 hostname kernel: [ 6589.143719] Call Trace:
Jan 14 16:34:10 hostname kernel: [ 6589.143733] [<c1627228>] dump_stack+0x41/0x52
Jan 14 16:34:10 hostname kernel: [ 6589.143745] [<c105267e>] warn_slowpath_common+0x7e/0xa0
Jan 14 16:34:10 hostname kernel: [ 6589.143767] [<f88218d6>] ? iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]
Jan 14 16:34:10 hostname kernel: [ 6589.143784] [<f88218d6>] ? iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]
Jan 14 16:34:10 hostname kernel: [ 6589.143792] [<c1052742>] warn_slowpath_null+0x22/0x30
Jan 14 16:34:10 hostname kernel: [ 6589.143808] [<f88218d6>] iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]
Jan 14 16:34:10 hostname kernel: [ 6589.143836] [<f9415af3>] iwl_dvm_send_cmd+0x43/0x130 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.143855] [<f9415edf>] iwl_dvm_send_cmd_pdu+0x3f/0x50 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.143875] [<f941e18a>] iwl_power_set_mode+0x1fa/0x340 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.143896] [<f941e366>] iwl_power_update_mode+0x96/0x150 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.143916] [<f9421dda>] iwlagn_commit_rxon+0xc5a/0xe20 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.143936] [<f942223d>] iwlagn_mac_config+0x24d/0x3a0 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.143976] [<f94de67d>] ieee80211_hw_config+0x5d/0x2e0 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.143990] [<c1629fa9>] ? mutex_unlock+0x19/0x20
Jan 14 16:34:10 hostname kernel: [ 6589.144016] [<f94225c3>] ? iwlagn_bss_info_changed+0x233/0x590 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.144110] [<f9505d9e>] ieee80211_recalc_smps_chanctx+0x7e/0x2b0 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.144139] [<f9422390>] ? iwlagn_mac_config+0x3a0/0x3a0 [iwldvm]
Jan 14 16:34:10 hostname kernel: [ 6589.144183] [<f94de902>] ? ieee80211_bss_info_change_notify+0x2/0x1a0 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.144244] [<f95047c4>] ieee80211_recalc_smps+0x34/0x60 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.144309] [<f9516efe>] ieee80211_assoc_success+0x5fe/0xac0 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.144329] [<c162387d>] ? printk+0x50/0x52
Jan 14 16:34:10 hostname kernel: [ 6589.144392] [<f951750a>] ieee80211_rx_mgmt_assoc_resp+0x14a/0x280 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.144459] [<f9517d70>] ieee80211_sta_rx_queued_mgmt+0x340/0x5e0 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.144478] [<c100e840>] ? __switch_to+0xb0/0x330
Jan 14 16:34:10 hostname kernel: [ 6589.144489] [<c107be71>] ? finish_task_switch+0x41/0xc0
Jan 14 16:34:10 hostname kernel: [ 6589.144502] [<c1045128>] ? default_spin_lock_flags+0x8/0x10
Jan 14 16:34:10 hostname kernel: [ 6589.144553] [<f94ed052>] ieee80211_iface_work+0x222/0x310 [mac80211]
Jan 14 16:34:10 hostname kernel: [ 6589.144569] [<c1069ed8>] process_one_work+0x118/0x380
Jan 14 16:34:10 hostname kernel: [ 6589.144582] [<c106a9e1>] worker_thread+0x101/0x340
Jan 14 16:34:10 hostname kernel: [ 6589.144595] [<c106a8e0>] ? manage_workers.isra.27+0x250/0x250
Jan 14 16:34:10 hostname kernel: [ 6589.144606] [<c10700b4>] kthread+0x94/0xa0
Jan 14 16:34:10 hostname kernel: [ 6589.144617] [<c1070000>] ? kthread_create_on_node+0xa0/0xc0
Jan 14 16:34:10 hostname kernel: [ 6589.144633] [<c1634937>] ret_from_kernel_thread+0x1b/0x28
Jan 14 16:34:10 hostname kernel: [ 6589.144643] [<c1070020>] ? kthread_create_on_node+0xc0/0xc0
Jan 14 16:34:10 hostname kernel: [ 6589.144653] ---[ end trace 3d9a5f6a5d7e4198 ]---
Jan 14 16:34:10 hostname kernel: [ 6589.144665] iwlwifi 0000:02:00.0: Command POWER_TABLE_CMD: a command is already active!
Jan 14 16:34:10 hostname kernel: [ 6589.144676] iwlwifi 0000:02:00.0: set power fail, ret = -5
Jan 14 16:34:10 hostname kernel: [ 6589.144693] wlan0: associated
Rebooting the router and the computer allows me to connect again to
the wifi.
I'm on Ubuntu 13.10.
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References