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Issue 828440 link

Starred by 4 users
Status: Verified
Owner:
█ kirtika@chromium.org
Last visit > 30 days ago
Closed: Aug 24
Cc:
benchan@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 2
Type: Bug



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No wifi device on Pixelbook

Project Member Reported by steve...@chromium.org, Apr 3 2018 
After setting up my pixelbook with an external monitor and ethernet connection, I noticed that there was no wifi device available.

Feedback report:
https://listnr.corp.google.com/product/208/report/85267648422

Removing all usb-c connections did not change anything. I will log out and restart the device to see which if either brings back wifi.

Comment 1 by steve...@chromium.org, Apr 3 2018

Labels: M-67
Unsurprisingly logging out made no difference but rebooting brought wifi back. I will keep an eye out for this issue to repeat.

Comment 2 by cernekee@chromium.org, Apr 3 2018 

> there was no wifi device available

Hmm, how exactly did this manifest itself in the UI?

shill log shows that it is performing periodic scans and finding APs.  Looked like ethernet was connected the whole time and I did not see any connection attempts for wifi networks.

Comment 3 by steve...@chromium.org, Apr 3 2018 

Somehow I got the wrong feedback report id. Here's the correct one, sorry about that:
https://listnr.corp.google.com/product/208/report/85267578518

UI symptoms:

* No 'WiFi' section in Settings.
* 'WiFi' toggle in system menu toggles back to disabled after enabling (we don't actually support no wifi device in the UI).
* chrome://network shows now WiFi entry under devices.

In (the correct) system_logs, there is no 'wifi' entry in 'network-devices'.

Comment 5 by cernekee@chromium.org, Apr 19 2018

Owner: kirtika@chromium.org
Looks like it associated, got an IP, went Online... then 3 seconds later, the microcode blew up and wlan0 vanished.


2018-04-18T09:27:26.628916-07:00 INFO shill[1354]: [INFO:service.cc(398)] Service 83: state Associating -> Configuring
2018-04-18T09:27:26.628974-07:00 INFO shill[1354]: [INFO:manager.cc(1487)] Service 83 updated; state: Configuring failure Unknown
2018-04-18T09:27:26.632912-07:00 WARNING shill[1354]: [WARNING:device.cc(562)] No default route for global IPv6 address <IPv6: 74>
2018-04-18T09:27:26.634653-07:00 INFO shill[1354]: [INFO:wifi_service.cc(783)] Rep ep updated for 83. [SSID=5], bssid: 9c:1c:12:00:00:03, sig: -54, sec: 802_1x, freq: 5745
2018-04-18T09:27:26.656320-07:00 NOTICE dhcpcd[13536]: dhcpcd is running with reduced privileges
2018-04-18T09:27:26.679540-07:00 INFO dhcpcd[13536]: status changed to Init
2018-04-18T09:27:26.687812-07:00 INFO shill[1354]: [INFO:dhcp_config.cc(145)] Init DHCP Proxy: wlan0 at :1.97
2018-04-18T09:27:27.576936-07:00 INFO dhcpcd[13536]: status changed to Discover
2018-04-18T09:27:27.577034-07:00 INFO dhcpcd[13536]: wlan0: soliciting a DHCP lease
2018-04-18T09:27:27.577074-07:00 INFO dhcpcd[13536]: wlan0: sending DISCOVER (xid 0xbcca8b8a), next in 4.2 seconds
2018-04-18T09:27:28.742216-07:00 INFO dhcpcd[13536]: wlan0: received OFFER with xid 0xbcca8b8a
2018-04-18T09:27:28.742238-07:00 INFO dhcpcd[13536]: wlan0: offered <IPv4: 1>04 from <IPv4: 55>9
2018-04-18T09:27:28.742246-07:00 INFO dhcpcd[13536]: wlan0: requesting lease of <IPv4: 1>04
2018-04-18T09:27:28.742253-07:00 INFO dhcpcd[13536]: status changed to Request
2018-04-18T09:27:28.742371-07:00 INFO dhcpcd[13536]: wlan0: sending REQUEST (xid 0xbcca8b8a), next in 4.1 seconds
2018-04-18T09:27:28.906311-07:00 INFO dhcpcd[13536]: wlan0: received ACK with xid 0xbcca8b8a
2018-04-18T09:27:28.906332-07:00 INFO dhcpcd[13536]: wlan0: acknowledged <IPv4: 1>04 from <IPv4: 55>9
2018-04-18T09:27:28.913778-07:00 INFO dhcpcd[13536]: wlan0: ARP probing <IPv4: 27>54 (1 of 3), next in 1.6 seconds
2018-04-18T09:27:28.913823-07:00 INFO dhcpcd[13536]: status changed to ArpGateway
2018-04-18T09:27:28.913907-07:00 INFO dhcpcd[13536]: wlan0: received ACK with xid 0xbcca8b8a
2018-04-18T09:27:28.913920-07:00 INFO dhcpcd[13536]: wlan0: acknowledged <IPv4: 1>04 from <IPv4: 55>9
2018-04-18T09:27:28.913969-07:00 INFO dhcpcd[13536]: wlan0: ARP probing <IPv4: 27>54 (1 of 3), next in 1.8 seconds
2018-04-18T09:27:28.913996-07:00 INFO dhcpcd[13536]: status changed to ArpGateway
2018-04-18T09:27:28.920729-07:00 INFO dhcpcd[13536]: wlan0: leased <IPv4: 1>04 for 1800 seconds
2018-04-18T09:27:28.920990-07:00 INFO dhcpcd[13536]: event BOUND on interface wlan0
2018-04-18T09:27:28.921193-07:00 INFO dhcpcd[13536]: status changed to Bound
2018-04-18T09:27:28.921787-07:00 INFO shill[1354]: [INFO:dhcpv4_config.cc(123)] Event reason: BOUND
2018-04-18T09:27:28.921957-07:00 INFO shill[1354]: [INFO:connection.cc(277)] UpdateFromIPConfig: Installing with parameters: local=<IPv4: 1>04 broadcast=<IPv4: 27>55 peer=<unknown> gateway=<IPv4: 27>54
2018-04-18T09:27:28.923132-07:00 INFO shill[1354]: [INFO:service.cc(398)] Service 83: state Configuring -> Connected
2018-04-18T09:27:28.928459-07:00 INFO shill[1354]: [INFO:manager.cc(1487)] Service 83 updated; state: Connected failure Unknown
2018-04-18T09:27:28.935256-07:00 INFO shill[1354]: [INFO:wifi.cc(2380)] Enabling high bitrates.
2018-04-18T09:27:28.936780-07:00 INFO shill[1354]: [INFO:service.cc(398)] Service 83: state Connected -> Online
2018-04-18T09:27:28.936809-07:00 INFO shill[1354]: [INFO:manager.cc(1487)] Service 83 updated; state: Online failure Unknown
2018-04-18T09:27:28.953734-07:00 INFO shill[1354]: [INFO:manager.cc(1735)] Default physical service: 83 (connected)
2018-04-18T09:27:28.974072-07:00 INFO arc-networkd[12541]: [INFO:manager.cc(87)] Binding to interface wlan0
2018-04-18T09:27:30.977110-07:00 INFO arc-networkd[12541]: [INFO:manager.cc(110)] Found IPv6 network <IPv6: 78>/64 route <IPv6: 17>


2018-04-18T09:27:31.265699-07:00 ERR kernel: [  872.418669] iwlwifi 0000:01:00.0: Microcode SW error detected.  Restarting 0x2000000.
2018-04-18T09:27:31.265716-07:00 ERR kernel: [  872.418830] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
2018-04-18T09:27:31.265718-07:00 ERR kernel: [  872.418835] iwlwifi 0000:01:00.0: Status: 0x00000100, count: 6
2018-04-18T09:27:31.265719-07:00 ERR kernel: [  872.418839] iwlwifi 0000:01:00.0: Loaded firmware version: 29.610311.0
2018-04-18T09:27:31.266110-07:00 ERR kernel: [  872.418844] iwlwifi 0000:01:00.0: 0x00000034 | NMI_INTERRUPT_WDG           
2018-04-18T09:27:31.266114-07:00 ERR kernel: [  872.418848] iwlwifi 0000:01:00.0: 0x000002F0 | trm_hw_status0
2018-04-18T09:27:31.266115-07:00 ERR kernel: [  872.418851] iwlwifi 0000:01:00.0: 0x00000000 | trm_hw_status1
2018-04-18T09:27:31.266117-07:00 ERR kernel: [  872.418855] iwlwifi 0000:01:00.0: 0x00043D58 | branchlink2
2018-04-18T09:27:31.266118-07:00 ERR kernel: [  872.418882] iwlwifi 0000:01:00.0: 0x0004B016 | interruptlink1
2018-04-18T09:27:31.266171-07:00 ERR kernel: [  872.418896] iwlwifi 0000:01:00.0: 0x00014C72 | interruptlink2
2018-04-18T09:27:31.266173-07:00 ERR kernel: [  872.418899] iwlwifi 0000:01:00.0: 0x00000000 | data1
2018-04-18T09:27:31.266174-07:00 ERR kernel: [  872.418903] iwlwifi 0000:01:00.0: 0x00000002 | data2
2018-04-18T09:27:31.266175-07:00 ERR kernel: [  872.418906] iwlwifi 0000:01:00.0: 0x07030000 | data3
2018-04-18T09:27:31.266176-07:00 ERR kernel: [  872.418910] iwlwifi 0000:01:00.0: 0x1380DC6A | beacon time
2018-04-18T09:27:31.266177-07:00 ERR kernel: [  872.418913] iwlwifi 0000:01:00.0: 0x096693B5 | tsf low
2018-04-18T09:27:31.266178-07:00 ERR kernel: [  872.418917] iwlwifi 0000:01:00.0: 0x000001AF | tsf hi
2018-04-18T09:27:31.266179-07:00 ERR kernel: [  872.418920] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
2018-04-18T09:27:31.266180-07:00 ERR kernel: [  872.418924] iwlwifi 0000:01:00.0: 0x0272D2C1 | time gp2
2018-04-18T09:27:31.266181-07:00 ERR kernel: [  872.418927] iwlwifi 0000:01:00.0: 0x00000001 | uCode revision type
2018-04-18T09:27:31.266182-07:00 ERR kernel: [  872.418931] iwlwifi 0000:01:00.0: 0x0000001D | uCode version major
2018-04-18T09:27:31.266183-07:00 ERR kernel: [  872.418934] iwlwifi 0000:01:00.0: 0x00095007 | uCode version minor
2018-04-18T09:27:31.266184-07:00 ERR kernel: [  872.418938] iwlwifi 0000:01:00.0: 0x00000210 | hw version
2018-04-18T09:27:31.266186-07:00 ERR kernel: [  872.418941] iwlwifi 0000:01:00.0: 0x00C89200 | board version
2018-04-18T09:27:31.266187-07:00 ERR kernel: [  872.418944] iwlwifi 0000:01:00.0: 0x0000001C | hcmd
2018-04-18T09:27:31.266188-07:00 ERR kernel: [  872.418948] iwlwifi 0000:01:00.0: 0x02022002 | isr0
2018-04-18T09:27:31.266189-07:00 ERR kernel: [  872.418951] iwlwifi 0000:01:00.0: 0x10800000 | isr1
2018-04-18T09:27:31.266190-07:00 ERR kernel: [  872.418955] iwlwifi 0000:01:00.0: 0x00000002 | isr2
2018-04-18T09:27:31.266190-07:00 ERR kernel: [  872.418958] iwlwifi 0000:01:00.0: 0x404188C0 | isr3
2018-04-18T09:27:31.266191-07:00 ERR kernel: [  872.418962] iwlwifi 0000:01:00.0: 0x00000000 | isr4
2018-04-18T09:27:31.266192-07:00 ERR kernel: [  872.418965] iwlwifi 0000:01:00.0: 0x0A66001C | last cmd Id
2018-04-18T09:27:31.266193-07:00 ERR kernel: [  872.418968] iwlwifi 0000:01:00.0: 0x00000000 | wait_event
2018-04-18T09:27:31.266194-07:00 ERR kernel: [  872.418972] iwlwifi 0000:01:00.0: 0x00000000 | l2p_control
2018-04-18T09:27:31.266195-07:00 ERR kernel: [  872.418976] iwlwifi 0000:01:00.0: 0x00000020 | l2p_duration
2018-04-18T09:27:31.266196-07:00 ERR kernel: [  872.418979] iwlwifi 0000:01:00.0: 0x00000000 | l2p_mhvalid
2018-04-18T09:27:31.266197-07:00 ERR kernel: [  872.418982] iwlwifi 0000:01:00.0: 0x00000000 | l2p_addr_match
2018-04-18T09:27:31.266198-07:00 ERR kernel: [  872.418986] iwlwifi 0000:01:00.0: 0x00000005 | lmpm_pmg_sel
2018-04-18T09:27:31.266199-07:00 ERR kernel: [  872.418989] iwlwifi 0000:01:00.0: 0x29102230 | timestamp
2018-04-18T09:27:31.266200-07:00 ERR kernel: [  872.418993] iwlwifi 0000:01:00.0: 0x00341828 | flow_handler
2018-04-18T09:27:31.266201-07:00 INFO kernel: [  872.418999] ieee80211 phy0: Hardware restart was requested
2018-04-18T09:27:31.626886-07:00 ERR kernel: [  872.779425] iwlwifi 0000:01:00.0: Microcode SW error detected.  Restarting 0x2000000.
2018-04-18T09:27:31.626904-07:00 ERR kernel: [  872.779734] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
2018-04-18T09:27:31.626905-07:00 ERR kernel: [  872.779737] iwlwifi 0000:01:00.0: Status: 0x00000110, count: 6
2018-04-18T09:27:31.626906-07:00 ERR kernel: [  872.779740] iwlwifi 0000:01:00.0: Loaded firmware version: 29.610311.0
2018-04-18T09:27:31.626907-07:00 ERR kernel: [  872.779743] iwlwifi 0000:01:00.0: 0x00000034 | NMI_INTERRUPT_WDG           
2018-04-18T09:27:31.626908-07:00 ERR kernel: [  872.779745] iwlwifi 0000:01:00.0: 0x000002F0 | trm_hw_status0
2018-04-18T09:27:31.626909-07:00 ERR kernel: [  872.779747] iwlwifi 0000:01:00.0: 0x00000000 | trm_hw_status1
2018-04-18T09:27:31.626910-07:00 ERR kernel: [  872.779749] iwlwifi 0000:01:00.0: 0x00041706 | branchlink2
2018-04-18T09:27:31.626911-07:00 ERR kernel: [  872.779751] iwlwifi 0000:01:00.0: 0x000446D2 | interruptlink1
2018-04-18T09:27:31.626911-07:00 ERR kernel: [  872.779753] iwlwifi 0000:01:00.0: 0x0000C6B8 | interruptlink2
2018-04-18T09:27:31.626912-07:00 ERR kernel: [  872.779755] iwlwifi 0000:01:00.0: 0x00000000 | data1
2018-04-18T09:27:31.626913-07:00 ERR kernel: [  872.779756] iwlwifi 0000:01:00.0: 0x00000002 | data2
2018-04-18T09:27:31.626914-07:00 ERR kernel: [  872.779758] iwlwifi 0000:01:00.0: 0x07030000 | data3
2018-04-18T09:27:31.626915-07:00 ERR kernel: [  872.779760] iwlwifi 0000:01:00.0: 0x00000000 | beacon time
2018-04-18T09:27:31.626916-07:00 ERR kernel: [  872.779762] iwlwifi 0000:01:00.0: 0x00034C73 | tsf low
2018-04-18T09:27:31.626917-07:00 ERR kernel: [  872.779764] iwlwifi 0000:01:00.0: 0x00000000 | tsf hi
2018-04-18T09:27:31.626918-07:00 ERR kernel: [  872.779766] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
2018-04-18T09:27:31.626919-07:00 ERR kernel: [  872.779768] iwlwifi 0000:01:00.0: 0x00034C73 | time gp2
2018-04-18T09:27:31.626920-07:00 ERR kernel: [  872.779770] iwlwifi 0000:01:00.0: 0x00000009 | uCode revision type
2018-04-18T09:27:31.626921-07:00 ERR kernel: [  872.779772] iwlwifi 0000:01:00.0: 0x0000001D | uCode version major
2018-04-18T09:27:31.626921-07:00 ERR kernel: [  872.779774] iwlwifi 0000:01:00.0: 0x00095007 | uCode version minor
2018-04-18T09:27:31.626923-07:00 ERR kernel: [  872.779776] iwlwifi 0000:01:00.0: 0x00000210 | hw version
2018-04-18T09:27:31.626923-07:00 ERR kernel: [  872.779778] iwlwifi 0000:01:00.0: 0x00C89200 | board version
2018-04-18T09:27:31.626924-07:00 ERR kernel: [  872.779780] iwlwifi 0000:01:00.0: 0x0002016A | hcmd
2018-04-18T09:27:31.626925-07:00 ERR kernel: [  872.779782] iwlwifi 0000:01:00.0: 0x02023080 | isr0
2018-04-18T09:27:31.626926-07:00 ERR kernel: [  872.779784] iwlwifi 0000:01:00.0: 0x00000000 | isr1
2018-04-18T09:27:31.626927-07:00 ERR kernel: [  872.779786] iwlwifi 0000:01:00.0: 0x00000002 | isr2
2018-04-18T09:27:31.626928-07:00 ERR kernel: [  872.779788] iwlwifi 0000:01:00.0: 0x004000C0 | isr3
2018-04-18T09:27:31.626929-07:00 ERR kernel: [  872.779790] iwlwifi 0000:01:00.0: 0x00000080 | isr4
2018-04-18T09:27:31.626930-07:00 ERR kernel: [  872.779792] iwlwifi 0000:01:00.0: 0x0002016A | last cmd Id
2018-04-18T09:27:31.626931-07:00 ERR kernel: [  872.779794] iwlwifi 0000:01:00.0: 0x00000000 | wait_event
2018-04-18T09:27:31.626932-07:00 ERR kernel: [  872.779796] iwlwifi 0000:01:00.0: 0x00000000 | l2p_control
2018-04-18T09:27:31.626933-07:00 ERR kernel: [  872.779798] iwlwifi 0000:01:00.0: 0x00000000 | l2p_duration
2018-04-18T09:27:31.626934-07:00 ERR kernel: [  872.779800] iwlwifi 0000:01:00.0: 0x00000000 | l2p_mhvalid
2018-04-18T09:27:31.626935-07:00 ERR kernel: [  872.779802] iwlwifi 0000:01:00.0: 0x00000000 | l2p_addr_match
2018-04-18T09:27:31.626935-07:00 ERR kernel: [  872.779804] iwlwifi 0000:01:00.0: 0x00000007 | lmpm_pmg_sel
2018-04-18T09:27:31.626936-07:00 ERR kernel: [  872.779806] iwlwifi 0000:01:00.0: 0x29102230 | timestamp
2018-04-18T09:27:31.626937-07:00 ERR kernel: [  872.779808] iwlwifi 0000:01:00.0: 0x00340010 | flow_handler
2018-04-18T09:27:31.626938-07:00 ERR kernel: [  872.779813] iwlwifi 0000:01:00.0: Firmware error during reconfiguration - reprobe!
2018-04-18T09:27:31.626939-07:00 ERR kernel: [  872.779821] iwlwifi 0000:01:00.0: Failed to run INIT calibrations: -5
2018-04-18T09:27:31.626940-07:00 ERR kernel: [  872.779823] iwlwifi 0000:01:00.0: Failed to run INIT ucode: -5
2018-04-18T09:27:31.626941-07:00 ERR kernel: [  872.779825] iwlwifi 0000:01:00.0: Failed to start RT ucode: -5
2018-04-18T09:27:31.639823-07:00 WARNING kernel: [  872.792353] ------------[ cut here ]------------
2018-04-18T09:27:31.639838-07:00 WARNING kernel: [  872.792372] WARNING: CPU: 0 PID: 2301 at ../../../../../tmp/portage/sys-kernel/chromeos-kernel-4_4-4.4.125-r1449/work/chromeos-kernel-4_4-4.4.125/drivers/net/wireless/iwl7000/mac80211/util.c:1923 ieee80211_reconfig+0x512/0xee8 [iwl7000_mac80211]
2018-04-18T09:27:31.639840-07:00 WARNING kernel: [  872.792374] Hardware became unavailable during restart.
2018-04-18T09:27:31.639841-07:00 WARNING kernel: [  872.792376] Modules linked in: ip6t_REJECT nf_reject_ipv6 ccm veth cmac rfcomm uinput snd_soc_kbl_rt5663_rt5514_max98927 snd_soc_hdac_hdmi snd_soc_dmic snd_soc_skl_ssp_clk snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_sst_match snd_hda_ext_core snd_hda_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core snd_soc_rt5514 snd_soc_max98927 snd_soc_rt5663 snd_soc_rt5514_spi snd_soc_rl6231 bridge zram stp llc fuse ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_mark snd_seq_dummy snd_seq snd_seq_device iio_trig_sysfs ip6table_filter cros_ec_light_prox cros_ec_activity cros_ec_sensors_ring cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio iwlmvm iwl7000_mac80211 iwlwifi iwl7000_cfg80211 btusb btrtl btbcm btintel bluetooth joydev
2018-04-18T09:27:31.639842-07:00 WARNING kernel: [  872.792451] CPU: 0 PID: 2301 Comm: kworker/0:2 Not tainted 4.4.125-13322-ge7f21383b904 #1
2018-04-18T09:27:31.639843-07:00 WARNING kernel: [  872.792453] Hardware name: Google Eve/Eve, BIOS Google_Eve.9584.107.0 11/07/2017
2018-04-18T09:27:31.639844-07:00 WARNING kernel: [  872.792462] Workqueue: events_freezable ieee80211_restart_work [iwl7000_mac80211]
2018-04-18T09:27:31.639856-07:00 WARNING kernel: [  872.792466]  ffffffffc03bc44d df113221b2237317 ffff880427207c98 ffffffff8ed31410
2018-04-18T09:27:31.639857-07:00 WARNING kernel: [  872.792472]  ffff880427207cd0 ffffffff8ed313c5 df113221b2237317 ffff880427207d60
2018-04-18T09:27:31.639858-07:00 WARNING kernel: [  872.792477]  0000000000000282 df113221b2237317 ffff880427207d60 ffff880427207d10
2018-04-18T09:27:31.639859-07:00 WARNING kernel: [  872.792482] Call Trace:
2018-04-18T09:27:31.639860-07:00 WARNING kernel: [  872.792489]  [<ffffffff8ed31410>] __dump_stack+0x19/0x1b
2018-04-18T09:27:31.639861-07:00 WARNING kernel: [  872.792493]  [<ffffffff8ed313c5>] dump_stack+0x4f/0x81
2018-04-18T09:27:31.639862-07:00 WARNING kernel: [  872.792496]  [<ffffffff8eaafa83>] __warn+0xb5/0xec
2018-04-18T09:27:31.639863-07:00 WARNING kernel: [  872.792499]  [<ffffffff8eaafb19>] warn_slowpath_fmt+0x5f/0x79
2018-04-18T09:27:31.639864-07:00 WARNING kernel: [  872.792508]  [<ffffffffc03b155e>] ieee80211_reconfig+0x512/0xee8 [iwl7000_mac80211]
2018-04-18T09:27:31.639865-07:00 WARNING kernel: [  872.792515]  [<ffffffff8eb70583>] ? try_to_del_timer_sync+0x64/0xf2
2018-04-18T09:27:31.639866-07:00 WARNING kernel: [  872.792523]  [<ffffffffc035cfa2>] ieee80211_restart_work+0x94/0xc6 [iwl7000_mac80211]
2018-04-18T09:27:31.639867-07:00 WARNING kernel: [  872.792526]  [<ffffffff8eb5740e>] worker_thread+0x239/0x757
2018-04-18T09:27:31.639868-07:00 WARNING kernel: [  872.792530]  [<ffffffff8eb571d5>] ? set_work_data+0x4b/0x4b
2018-04-18T09:27:31.639869-07:00 WARNING kernel: [  872.792533]  [<ffffffff8eac8d55>] kthread+0xb9/0xc9
2018-04-18T09:27:31.639869-07:00 WARNING kernel: [  872.792536]  [<ffffffff8f1eb7a0>] ? __schedule+0x40b/0x9fd
2018-04-18T09:27:31.639870-07:00 WARNING kernel: [  872.792538]  [<ffffffff8eac8c9c>] ? rcu_read_unlock_sched_notrace+0x48/0x48
2018-04-18T09:27:31.639871-07:00 WARNING kernel: [  872.792542]  [<ffffffff8f1effa5>] ret_from_fork+0x55/0x80
2018-04-18T09:27:31.639872-07:00 WARNING kernel: [  872.792544]  [<ffffffff8eac8c9c>] ? rcu_read_unlock_sched_notrace+0x48/0x48
2018-04-18T09:27:31.639873-07:00 WARNING kernel: [  872.792547] ---[ end trace f46f57521a637504 ]---
2018-04-18T09:27:31.639874-07:00 INFO kernel: [  872.792566] wlan0: deauthenticating from 9c:1c:12:00:00:03 by local choice (Reason: 3=DEAUTH_LEAVING)


2018-04-18T09:27:31.653152-07:00 NOTICE wpa_supplicant[632]: wlan0: CTRL-EVENT-DISCONNECTED bssid=9c:1c:12:00:00:03 reason=3 locally_generated=1
2018-04-18T09:27:31.653198-07:00 NOTICE wpa_supplicant[632]: BSSID 9c:1c:12:00:00:03 blacklist count incremented to 2
2018-04-18T09:27:31.654008-07:00 INFO shill[1354]: [INFO:wifi.cc(861)] WiFi wlan0 supplicant updated DisconnectReason to -3
2018-04-18T09:27:31.655128-07:00 WARNING shill[1354]: [WARNING:device.cc(562)] No default route for global IPv6 address <IPv6: 79>
2018-04-18T09:27:31.655351-07:00 ERR shill[1354]: [ERROR:arp_client.cc(130)] Socket recvfrom failed: Network is down
2018-04-18T09:27:31.658561-07:00 WARNING shill[1354]: [WARNING:nl80211_message.cc(711)] Unknown/unhandled netlink nl80211 message 0x08
2018-04-18T09:27:31.663847-07:00 INFO dhcpcd[13536]: wlan0: removing interface
2018-04-18T09:27:31.663860-07:00 INFO dhcpcd[13536]: status changed to Release
2018-04-18T09:27:31.663909-07:00 INFO shill[1354]: [INFO:manager.cc(1512)] Device wlan0 updated: enabled
2018-04-18T09:27:31.663995-07:00 INFO dhcpcd[13536]: dhcpcd exited

Comment 6 by elijahtaylor@chromium.org, Apr 20 2018

Components: OS>Systems>Network

Comment 7 by kirtika@chromium.org, Aug 24

Status: Fixed (was: Assigned)
Fixed in 10952.0.0. Fix is cherry-picked back to R69 and R68, but it was just cp-ed today
and its not clear if there will be anymore R68 stable pushes.
See https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1162876 for details. 
Root-caused at https://b.corp.google.com/issues/79233533
We added an autotest to catch this issue in the future, tracking bug is https://bugs.chromium.org/p/chromium/issues/detail?id=876920

Comment 8 by aashuto...@chromium.org, Sep 25

Status: Verified (was: Fixed)
Closing this as Verified
►

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