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Additional info: reporter: libreport-2.6.4 WARNING: CPU: 3 PID: 930 at drivers/net/wireless/intel/iwlwifi/mvm/tx.c:1377 iwl_mvm_rx_tx_cmd+0x805/0xa30 [iwlmvm] Modules linked in: ccm rfcomm fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc ebtable_nat ip6table_security ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_raw iptable_security iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep intel_rapl arc4 x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt iwlmvm iTCO_vendor_support mei_wdt irqbypass intel_cstate mac80211 intel_uncore intel_rapl_perf iwlwifi snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_usb_audio cfg80211 snd_hda_intel joydev snd_hda_codec snd_usbmidi_lib uvcvideo intel_pch_thermal snd_rawmidi i2c_i801 videobuf2_vmalloc lpc_ich snd_hda_core btusb videobuf2_memops shpchp btrtl videobuf2_v4l2 btbcm videobuf2_core btintel snd_hwdep snd_seq bluetooth snd_seq_device videodev cdc_acm media mei_me snd_pcm mei snd_timer thinkpad_acpi snd soundcore wmi rfkill tpm_tis tpm nfsd auth_rpcgss nfs_acl lockd grace sunrpc dm_crypt cdc_mbim cdc_wdm cdc_ncm usbnet mii uas usb_storage i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel e1000e serio_raw ptp pps_core fjes video CPU: 3 PID: 930 Comm: irq/56-iwlwifi Not tainted 4.7.2-101.fc23.x86_64 #1 Hardware name: LENOVO 20BSCTO1WW/20BSCTO1WW, BIOS N14ET26W (1.04 ) 01/23/2015 0000000000000286 000000008b27272e ffff8800b9ecfb98 ffffffff813d5b5e 0000000000000000 0000000000000000 ffff8800b9ecfbd8 ffffffff8109fa2b 00000561b9ecfbe8 ffff880223175568 0000000000000000 0000000000000ac1 Call Trace: [<ffffffff813d5b5e>] dump_stack+0x63/0x85 [<ffffffff8109fa2b>] __warn+0xcb/0xf0 [<ffffffff8109fb5d>] warn_slowpath_null+0x1d/0x20 [<ffffffffc07f3fa5>] iwl_mvm_rx_tx_cmd+0x805/0xa30 [iwlmvm] [<ffffffffc07ea48d>] iwl_mvm_rx_common+0x16d/0x270 [iwlmvm] [<ffffffffc07ea5eb>] iwl_mvm_rx+0x5b/0x70 [iwlmvm] [<ffffffffc0702758>] iwl_pcie_rx_handle+0x318/0x870 [iwlwifi] [<ffffffffc0704146>] iwl_pcie_irq_handler+0x576/0xaf0 [iwlwifi] [<ffffffff817dfb11>] ? __schedule+0x2f1/0x760 [<ffffffff810fbc90>] ? irq_forced_thread_fn+0x70/0x70 [<ffffffff810fbcb0>] irq_thread_fn+0x20/0x50 [<ffffffff810fbef8>] irq_thread+0x138/0x1c0 [<ffffffff817dfb11>] ? __schedule+0x2f1/0x760 [<ffffffff810fbd10>] ? wake_threads_waitq+0x30/0x30 [<ffffffff810fbdc0>] ? irq_thread_dtor+0xb0/0xb0 [<ffffffff810bf2a8>] kthread+0xd8/0xf0 [<ffffffff817e44bf>] ret_from_fork+0x1f/0x40 [<ffffffff810bf1d0>] ? kthread_worker_fn+0x170/0x170 Potential duplicate: bug 1350279
Created attachment 1197638 [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.
I've updated to 4.7.5-100.fc23 and haven't seen the issue since reporting it.
Thank you.