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Description of problem: browsed the net using public wifi Additional info: reporter: libreport-2.6.4 WARNING: CPU: 2 PID: 6022 at drivers/net/wireless/iwlwifi/pcie/trans.c:1723 iwl_trans_pcie_wait_txq_empty+0x41e/0x450 [iwlwifi]() WR pointer moved while flushing 62 -> 82 Modules linked in: rfcomm bnep arc4 uvcvideo videobuf2_vmalloc videobuf2_memops btusb videobuf2_v4l2 videobuf2_core btrtl btbcm v4l2_common btintel bluetooth videodev media intel_rapl iosf_mbi iwlmvm pn544_mei x86_pkg_temp_thermal mei_phy pn544 mac80211 hci coretemp kvm_intel nfc kvm qcserial iTCO_wdt iTCO_vendor_support usb_wwan dell_wmi sparse_keymap ppdev iwlwifi dell_laptop dcdbas snd_hda_codec_realtek irqbypass snd_hda_codec_hdmi cfg80211 snd_hda_codec_generic dell_smm_hwmon snd_hda_intel snd_soc_rt5640 mei_me joydev snd_hda_codec i2c_i801 mei lpc_ich snd_soc_rl6231 snd_hda_core shpchp snd_soc_core snd_hwdep snd_compress snd_pcm_dmaengine ac97_bus snd_seq wmi snd_seq_device snd_pcm parport_pc parport tpm_tis elan_i2c tpm snd_timer dw_dmac snd_soc_sst_acpi dw_dmac_core snd soundcore dell_rbtn i2c_designware_platform spi_pxa2xx_platform rfkill i2c_designware_core nfsd auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc btrfs xor raid6_pq dm_crypt cdc_mbim cdc_wdm cdc_ncm usbnet mii i915 e1000e crct10dif_pclmul i2c_algo_bit crc32_pclmul drm_kms_helper crc32c_intel drm serio_raw ptp sdhci_pci pps_core sdhci_acpi sdhci mmc_core video i2c_hid fjes CPU: 2 PID: 6022 Comm: kworker/u8:9 Not tainted 4.4.6-300.fc23.x86_64 #1 Hardware name: Dell Inc. Latitude E7240/05PTPV, BIOS A15 05/19/2015 Workqueue: phy0 ieee80211_iface_work [mac80211] 0000000000000286 00000000026fd5a8 ffff88019c1e7858 ffffffff813b542e ffff88019c1e78a0 ffffffffa0712110 ffff88019c1e7890 ffffffff810a40f2 0000000000000002 00000001006af303 000000000000003e ffff880214ec2170 Call Trace: [<ffffffff813b542e>] dump_stack+0x63/0x85 [<ffffffff810a40f2>] warn_slowpath_common+0x82/0xc0 [<ffffffff810a418c>] warn_slowpath_fmt+0x5c/0x80 [<ffffffffa070357e>] iwl_trans_pcie_wait_txq_empty+0x41e/0x450 [iwlwifi] [<ffffffffa091883f>] ? iwl_mvm_send_cmd_pdu+0x4f/0x70 [iwlmvm] [<ffffffffa091f611>] iwl_mvm_sta_tx_agg_flush+0x161/0x200 [iwlmvm] [<ffffffffa0910462>] iwl_mvm_mac_ampdu_action+0xd2/0x380 [iwlmvm] [<ffffffffa0815ad7>] drv_ampdu_action+0xa7/0x1e0 [mac80211] [<ffffffffa082110f>] ___ieee80211_stop_tx_ba_session+0xff/0x240 [mac80211] [<ffffffffa0821745>] __ieee80211_stop_tx_ba_session+0x35/0x50 [mac80211] [<ffffffffa081ffaf>] ieee80211_sta_tear_down_BA_sessions+0x3f/0x70 [mac80211] [<ffffffffa0817074>] __sta_info_destroy_part1+0x54/0x460 [mac80211] [<ffffffffa0819bfa>] __sta_info_flush+0x14a/0x1b0 [mac80211] [<ffffffffa085e82a>] ieee80211_set_disassoc+0xba/0x3d0 [mac80211] [<ffffffffa085eb78>] ieee80211_sta_connection_lost+0x38/0x70 [mac80211] [<ffffffffa086169a>] ieee80211_sta_work+0x1fa/0x14f0 [mac80211] [<ffffffff810d75a7>] ? account_entity_dequeue+0xa7/0xc0 [<ffffffff810d9791>] ? dequeue_entity+0x431/0xa70 [<ffffffff8179ff5e>] ? _raw_spin_unlock_irqrestore+0xe/0x10 [<ffffffffa082737e>] ieee80211_iface_work+0x33e/0x3e0 [mac80211] [<ffffffff810bc596>] process_one_work+0x156/0x430 [<ffffffff810bc8be>] worker_thread+0x4e/0x450 [<ffffffff810bc870>] ? process_one_work+0x430/0x430 [<ffffffff810c2648>] kthread+0xd8/0xf0 [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160 [<ffffffff817a084f>] ret_from_fork+0x3f/0x70 [<ffffffff810c2570>] ? kthread_worker_fn+0x160/0x160
Created attachment 1143050 [details] File: dmesg
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 23 kernel bugs. Fedora 23 has now been rebased to 4.7.4-100.fc23. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 24 or 25, and are still experiencing this issue, please change the version to Fedora 24 or 25. If you experience different issues, please open a new bug report for those.
*********** MASS BUG UPDATE ************** This bug is being closed with INSUFFICIENT_DATA as there has not been a response in 4 weeks. If you are still experiencing this issue, please reopen and attach the relevant data from the latest kernel you are running and any data that might have been requested previously.
According to Intel a firmware issue they don't intend to fix (WONTFIX) - they do not care about old hardware once sold. https://bugzilla.kernel.org/show_bug.cgi?id=196087