Public bug reported:
having some connectivity issues and found this message repeating in the
kern.log thought it might be worth reporting.
```
ug 19 22:40:51 zack kernel: [ 4645.749394] ------------[ cut here ]------------
Aug 19 22:40:51 zack kernel: [ 4645.749405] WARNING: CPU: 2 PID: 1259 at
/build/linux-hwe-CXNcgz/linux-hwe-4.10.0/drivers/net/wireless/intel/iwlwifi/mvm/sta.c:1523
iwl_mvm_rm_sta+0x3ea/0x460 [iwlmvm]
Aug 19 22:40:51 zack kernel: [ 4645.749406] Modules linked in: ccm rfcomm
xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 xt_tcpudp ipt_MASQUERADE
nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype
xt_conntrack nf_nat nf_conntrack libcrc32c br_netfilter bridge stp llc aufs
ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables
x_tables bnep snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
nls_iso8859_1 joydev arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp
coretemp crct10dif_pclmul crc32_pclmul snd_soc_skl snd_soc_skl_ipc
ghash_clmulni_intel snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core
snd_soc_sst_match pcbc snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine
snd_hda_intel snd_hda_codec
Aug 19 22:40:51 zack kernel: [ 4645.749429] snd_hda_core iwlmvm aesni_intel
snd_hwdep mac80211 aes_x86_64 crypto_simd glue_helper cryptd snd_pcm
intel_cstate intel_rapl_perf snd_seq_midi snd_seq_midi_event
hid_sensor_accel_3d snd_rawmidi iwlwifi snd_seq hid_sensor_trigger
snd_seq_device industrialio_triggered_buffer snd_timer kfifo_buf cfg80211
hid_sensor_iio_common snd rtsx_pci_ms input_leds hid_multitouch soundcore
memstick serio_raw mei_me shpchp btusb mei btrtl intel_pch_thermal toshiba_acpi
sparse_keymap industrialio wmi ucsi toshiba_bluetooth hci_uart btbcm btqca
btintel bluetooth intel_lpss_acpi intel_lpss acpi_pad mac_hid kvm_intel kvm
irqbypass parport_pc ppdev lp parport autofs4 hid_sensor_custom hid_sensor_hub
usbhid rtsx_pci_sdmmc i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect
psmouse sysimgblt fb_sys_fops
Aug 19 22:40:51 zack kernel: [ 4645.749455] drm ahci rtsx_pci libahci
pinctrl_sunrisepoint pinctrl_intel i2c_hid video hid fjes
Aug 19 22:40:51 zack kernel: [ 4645.749460] CPU: 2 PID: 1259 Comm:
wpa_supplicant Tainted: G W 4.10.0-32-generic #36~16.04.1-Ubuntu
Aug 19 22:40:51 zack kernel: [ 4645.749461] Hardware name: TOSHIBA Satellite
P55W-C/0693, BIOS 1.20 10/07/2015
Aug 19 22:40:51 zack kernel: [ 4645.749461] Call Trace:
Aug 19 22:40:51 zack kernel: [ 4645.749465] dump_stack+0x63/0x90
Aug 19 22:40:51 zack kernel: [ 4645.749467] __warn+0xcb/0xf0
Aug 19 22:40:51 zack kernel: [ 4645.749468] warn_slowpath_null+0x1d/0x20
Aug 19 22:40:51 zack kernel: [ 4645.749473] iwl_mvm_rm_sta+0x3ea/0x460 [iwlmvm]
Aug 19 22:40:51 zack kernel: [ 4645.749477] iwl_mvm_mac_sta_state+0x40a/0x600
[iwlmvm]
Aug 19 22:40:51 zack kernel: [ 4645.749490] drv_sta_state+0x8a/0x460 [mac80211]
Aug 19 22:40:51 zack kernel: [ 4645.749498]
__sta_info_destroy_part2+0x17a/0x1b0 [mac80211]
Aug 19 22:40:51 zack kernel: [ 4645.749506] __sta_info_flush+0x103/0x1b0
[mac80211]
Aug 19 22:40:51 zack kernel: [ 4645.749518] ieee80211_set_disassoc+0xba/0x3f0
[mac80211]
Aug 19 22:40:51 zack kernel: [ 4645.749530] ieee80211_mgd_auth+0x26c/0x3c0
[mac80211]
Aug 19 22:40:51 zack kernel: [ 4645.749543] ? cfg80211_get_bss+0x1c5/0x2d0
[cfg80211]
Aug 19 22:40:51 zack kernel: [ 4645.749553] ieee80211_auth+0x18/0x20 [mac80211]
Aug 19 22:40:51 zack kernel: [ 4645.749563] cfg80211_mlme_auth+0x101/0x210
[cfg80211]
Aug 19 22:40:51 zack kernel: [ 4645.749571] nl80211_authenticate+0x30b/0x370
[cfg80211]
Aug 19 22:40:51 zack kernel: [ 4645.749581] genl_family_rcv_msg+0x1db/0x3b0
Aug 19 22:40:51 zack kernel: [ 4645.749582] genl_rcv_msg+0x59/0xa0
Aug 19 22:40:51 zack kernel: [ 4645.749583] ? genl_notify+0x80/0x80
Aug 19 22:40:51 zack kernel: [ 4645.749584] netlink_rcv_skb+0xa4/0xc0
Aug 19 22:40:51 zack kernel: [ 4645.749585] genl_rcv+0x28/0x40
Aug 19 22:40:51 zack kernel: [ 4645.749586] netlink_unicast+0x18c/0x240
Aug 19 22:40:51 zack kernel: [ 4645.749588] netlink_sendmsg+0x2fb/0x3a0
Aug 19 22:40:51 zack kernel: [ 4645.749590] ? aa_sock_msg_perm+0x61/0x150
Aug 19 22:40:51 zack kernel: [ 4645.749592] sock_sendmsg+0x38/0x50
Aug 19 22:40:51 zack kernel: [ 4645.749593] ___sys_sendmsg+0x2c2/0x2d0
Aug 19 22:40:51 zack kernel: [ 4645.749594] ? destroy_inode+0x3b/0x60
Aug 19 22:40:51 zack kernel: [ 4645.749595] ? evict+0x136/0x1a0
Aug 19 22:40:51 zack kernel: [ 4645.749597] ? iput+0x1bb/0x240
Aug 19 22:40:51 zack kernel: [ 4645.749598] ? __dentry_kill+0x110/0x160
Aug 19 22:40:51 zack kernel: [ 4645.749598] ? dput+0x214/0x250
Aug 19 22:40:51 zack kernel: [ 4645.749600] ? mntput+0x24/0x40
Aug 19 22:40:51 zack kernel: [ 4645.749601] ? __fput+0x190/0x220
Aug 19 22:40:51 zack kernel: [ 4645.749603] __sys_sendmsg+0x54/0x90
Aug 19 22:40:51 zack kernel: [ 4645.749604] SyS_sendmsg+0x12/0x20
Aug 19 22:40:51 zack kernel: [ 4645.749606] entry_SYSCALL_64_fastpath+0x1e/0xad
Aug 19 22:40:51 zack kernel: [ 4645.749607] RIP: 0033:0x7fd1941ad450
Aug 19 22:40:51 zack kernel: [ 4645.749608] RSP: 002b:00007ffdd7156da8 EFLAGS:
00000246 ORIG_RAX: 000000000000002e
Aug 19 22:40:51 zack kernel: [ 4645.749609] RAX: ffffffffffffffda RBX:
0000000000000004 RCX: 00007fd1941ad450
Aug 19 22:40:51 zack kernel: [ 4645.749609] RDX: 0000000000000000 RSI:
00007ffdd7156e30 RDI: 0000000000000007
Aug 19 22:40:51 zack kernel: [ 4645.749610] RBP: 000055ed3cc6e84c R08:
0000000000000000 R09: 000000000000008c
Aug 19 22:40:51 zack kernel: [ 4645.749610] R10: 0000000000001000 R11:
0000000000000246 R12: 000055ed3cc6e84c
Aug 19 22:40:51 zack kernel: [ 4645.749611] R13: 000055ed3cc716e0 R14:
0000000000000000 R15: 0000000000000000
Aug 19 22:40:51 zack kernel: [ 4645.749612] ---[ end trace e05d38b0c933b143 ]---
Aug 19 22:40:51 zack kernel: [ 4645.753800] wlp1s0: authenticate with
a4:2b:b0:e9:c2:8c
Aug 19 22:40:51 zack kernel: [ 4645.758951] wlp1s0: send auth to
a4:2b:b0:e9:c2:8c (try 1/3)
Aug 19 22:40:51 zack kernel: [ 4645.761210] wlp1s0: authenticated
Aug 19 22:40:51 zack kernel: [ 4645.762524] wlp1s0: associate with
a4:2b:b0:e9:c2:8c (try 1/3)
Aug 19 22:40:51 zack kernel: [ 4645.763441] wlp1s0: RX AssocResp from
a4:2b:b0:e9:c2:8c (capab=0x1011 status=0 aid=3)
Aug 19 22:40:51 zack kernel: [ 4645.764626] wlp1s0: associated
Aug 19 22:40:51 zack NetworkManager[1024]: <info> [1503196851.2235] device
(wlp1s0): supplicant interface state: completed -> authenticating
Aug 19 22:40:51 zack NetworkManager[1024]: <info> [1503196851.2435] device
(wlp1s0): supplicant interface state: authenticating -> associated
Aug 19 22:40:51 zack NetworkManager[1024]: <info> [1503196851.2703] device
(wlp1s0): supplicant interface state: associated -> 4-way handshake
Aug 19 22:40:51 zack NetworkManager[1024]: <info> [1503196851.2703] device
(wlp1s0): supplicant interface state: 4-way handshake -> completed
```
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: zesty
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https://bugs.launchpad.net/bugs/1711877
Title:
possible connectivity bug?
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