The error has not occurred after boot:
$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
$ rfkill block 1
The command did not terminate and generated the following output in
dmesg:
[16394.658215] ath10k_pci 0000:02:00.0: wmi command 16387 timeout, restarting
hardware
[16394.658221] ath10k_pci 0000:02:00.0: failed to set 5g txpower 30: -11
[16394.658223] ath10k_pci 0000:02:00.0: failed to setup tx power 30: -11
[16394.658225] ath10k_pci 0000:02:00.0: failed to recalc tx power: -11
[16394.658348] ath10k_pci 0000:02:00.0: failed to set inactivity time for vdev
0: -108
[16394.658350] ath10k_pci 0000:02:00.0: failed to setup powersave: -108
[16394.658376] wlp2s0: deauthenticating from 5a:ef:68:b7:22:f2 by local choice
(Reason: 3=DEAUTH_LEAVING)
[16394.658386] ath10k_pci 0000:02:00.0: failed to set inactivity time for vdev
0: -108
[16394.658388] ath10k_pci 0000:02:00.0: failed to setup powersave: -108
[16394.658391] ath10k_pci 0000:02:00.0: failed to set PS Mode 0 for vdev 0: -108
[16394.658393] ath10k_pci 0000:02:00.0: failed to setup powersave: -108
[16397.715380] ath10k_pci 0000:02:00.0: failed to receive initialized event
from target: 00000000
[16400.747627] ath10k_pci 0000:02:00.0: failed to receive initialized event
from target: 00000000
[16400.747631] ath10k_warn: 2 callbacks suppressed
[16400.747632] ath10k_pci 0000:02:00.0: failed to wait for target init: -110
[16400.749353] ieee80211 phy0: Hardware restart was requested
[16400.749369] ath10k_pci 0000:02:00.0: failed to flush transmit queue (skip 1
ar-state 2): 1250
[16400.749566] ath10k_pci 0000:02:00.0: failed to delete peer 5a:ef:68:b7:22:f2
for vdev 0: -108
[16400.749603] ------------[ cut here ]------------
[16400.749630] WARNING: CPU: 3 PID: 17861 at net/mac80211/sta_info.c:1057
__sta_info_destroy_part2+0x14e/0x160 [mac80211]
[16400.749631] Modules linked in: uas usb_storage usbhid thunderbolt rfcomm
vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ccm typec_displayport cmac algif_hash
algif_skcipher af_alg bnep binfmt_misc mei_hdcp intel_rapl_msr
snd_hda_codec_hdmi cdc_ether usbnet nls_iso8859_1 snd_hda_codec_realtek
snd_hda_codec_generic snd_hda_intel dell_laptop snd_intel_nhlt ledtrig_audio
snd_hda_codec r8152 mii snd_usb_audio ath10k_pci snd_hda_core snd_usbmidi_lib
ath10k_core snd_hwdep snd_seq_midi snd_seq_midi_event ath snd_pcm joydev
x86_pkg_temp_thermal snd_rawmidi btusb intel_powerclamp btrtl coretemp btbcm
btintel kvm_intel uvcvideo bluetooth videobuf2_vmalloc videobuf2_memops
dell_wmi mac80211 dell_smbios videobuf2_v4l2 dcdbas videobuf2_common kvm
videodev intel_cstate ecdh_generic mc input_leds ecc snd_seq intel_rapl_perf
wmi_bmof dell_wmi_descriptor serio_raw intel_wmi_thunderbolt cfg80211
snd_seq_device snd_timer rtsx_pci_ms snd intel_xhci_usb_role_switch
processor_thermal_device intel_rapl_common memstick
[16400.749659] libarc4 soundcore mei_me ucsi_acpi typec_ucsi hid_multitouch
roles intel_pch_thermal mei typec intel_soc_dts_iosf intel_hid int3403_thermal
int340x_thermal_zone int3400_thermal sparse_keymap acpi_thermal_rel acpi_pad
mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4
mmc_block dm_crypt hid_generic crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel i915 rtsx_pci_sdmmc nvme aesni_intel crypto_simd
i2c_algo_bit cryptd glue_helper drm_kms_helper psmouse syscopyarea sysfillrect
sysimgblt i2c_i801 fb_sys_fops nvme_core intel_lpss_pci drm intel_lpss idma64
rtsx_pci virt_dma i2c_hid wmi hid pinctrl_sunrisepoint pinctrl_intel video
[16400.749681] CPU: 3 PID: 17861 Comm: rfkill Tainted: G W OE
5.4.0-21-generic #25-Ubuntu
[16400.749682] Hardware name: Dell Inc. XPS 13 9370/0F6P3V, BIOS 1.12.1
12/11/2019
[16400.749701] RIP: 0010:__sta_info_destroy_part2+0x14e/0x160 [mac80211]
[16400.749702] Code: 24 0c 01 00 00 00 0f 84 52 ff ff ff 45 31 c0 b9 01 00 00
00 4c 89 e2 48 89 de 4c 89 ef e8 0a a6 ff ff 85 c0 0f 84 34 ff ff ff <0f> 0b e9
2d ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
[16400.749703] RSP: 0018:ffffb27f8527f918 EFLAGS: 00010282
[16400.749704] RAX: 00000000ffffff94 RBX: ffff989b07b528c0 RCX: 0000000000000000
[16400.749705] RDX: ffff989afd69af80 RSI: 0000000000000000 RDI: ffff989b03d52f48
[16400.749705] RBP: ffffb27f8527f938 R08: 00000000000005ba R09: 0000000000000004
[16400.749706] R10: 0000000000000000 R11: 0000000000000000 R12: ffff989b3ac8c000
[16400.749707] R13: ffff989b03d507a0 R14: ffff989b07b528c0 R15: ffff989b03d50d68
[16400.749708] FS: 00007fdd1181c740(0000) GS:ffff989b5e4c0000(0000)
knlGS:0000000000000000
[16400.749708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16400.749709] CR2: 000001ce142e0000 CR3: 00000001a639c002 CR4: 00000000003626e0
[16400.749710] Call Trace:
[16400.749725] __sta_info_flush+0x128/0x180 [mac80211]
[16400.749743] ieee80211_set_disassoc+0xc0/0x5f0 [mac80211]
[16400.749760] ieee80211_mgd_deauth+0x104/0x490 [mac80211]
[16400.749776] ieee80211_deauth+0x18/0x20 [mac80211]
[16400.749808] cfg80211_mlme_deauth+0xb6/0x1e0 [cfg80211]
[16400.749824] cfg80211_mlme_down+0x66/0x80 [cfg80211]
[16400.749839] cfg80211_disconnect+0x127/0x1e0 [cfg80211]
[16400.749845] ? _raw_spin_unlock_bh+0x1e/0x20
[16400.749858] __cfg80211_leave+0x133/0x1b0 [cfg80211]
[16400.749872] cfg80211_leave+0x2c/0x40 [cfg80211]
[16400.749885] cfg80211_netdev_notifier_call+0x1b2/0x590 [cfg80211]
[16400.749888] ? try_to_wake_up+0x65/0x6a0
[16400.749890] ? __mutex_lock.isra.0+0x37/0x4f0
[16400.749891] ? wake_up_q+0x40/0x70
[16400.749893] ? wake_up_q+0x40/0x70
[16400.749895] ? rtnl_is_locked+0x15/0x20
[16400.749898] ? inetdev_event+0x47/0x560
[16400.749900] ? skb_dequeue+0x5a/0x70
[16400.749902] notifier_call_chain+0x55/0x80
[16400.749904] raw_notifier_call_chain+0x16/0x20
[16400.749906] call_netdevice_notifiers_info+0x2e/0x60
[16400.749907] __dev_close_many+0x63/0x120
[16400.749908] dev_close_many+0x91/0x150
[16400.749910] dev_close.part.0+0x4a/0x70
[16400.749911] dev_close+0x18/0x20
[16400.749923] cfg80211_shutdown_all_interfaces+0x77/0xd0 [cfg80211]
[16400.749935] cfg80211_rfkill_set_block+0x26/0x30 [cfg80211]
[16400.749937] rfkill_set_block+0x9b/0x150
[16400.749939] rfkill_fop_write+0x1a6/0x1e0
[16400.749941] __vfs_write+0x1b/0x40
[16400.749942] vfs_write+0xb9/0x1a0
[16400.749943] ksys_write+0xb1/0xe0
[16400.749945] __x64_sys_write+0x1a/0x20
[16400.749947] do_syscall_64+0x57/0x190
[16400.749949] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16400.749950] RIP: 0033:0x7fdd11930057
[16400.749952] Code: 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00
f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00
f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[16400.749953] RSP: 002b:00007ffea9f2ea78 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
[16400.749954] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdd11930057
[16400.749954] RDX: 0000000000000008 RSI: 00007ffea9f2ea90 RDI: 0000000000000003
[16400.749955] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000004
[16400.749956] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[16400.749956] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[16400.749958] ---[ end trace e6342b25b0d28a1b ]---
[16400.750022] ath10k_pci 0000:02:00.0: failed to recalculate rts/cts prot for
vdev 0: -108
[16400.750024] ath10k_pci 0000:02:00.0: failed to set cts protection for vdev
0: -108
[16400.750027] ath10k_pci 0000:02:00.0: failed to set erp slot for vdev 0: -108
[16400.750028] ath10k_pci 0000:02:00.0: failed to set preamble for vdev 0: -108
[16400.750030] ath10k_pci 0000:02:00.0: failed to down vdev 0: -108
[16400.750032] ath10k_pci 0000:02:00.0: failed to submit vdev param txbf 0x0:
-108
[16400.750033] ath10k_pci 0000:02:00.0: failed to recalc txbf for vdev 0: -108
I then attempted to do:
$ sudo -s
which also hung.
Subsequent dmesg errors:
16554.906648] INFO: task NetworkManager:1178 blocked for more than 120 seconds.
[16554.906656] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16554.906659] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16554.906663] NetworkManager D 0 1178 1 0x00000000
[16554.906668] Call Trace:
[16554.906684] __schedule+0x2e3/0x740
[16554.906691] schedule+0x42/0xb0
[16554.906698] schedule_preempt_disabled+0xe/0x10
[16554.906701] __mutex_lock.isra.0+0x182/0x4f0
[16554.906711] ? kmalloc_large_node+0x88/0xa0
[16554.906715] ? __kmalloc_node_track_caller+0x250/0x310
[16554.906719] ? __switch_to_asm+0x34/0x70
[16554.906723] __mutex_lock_slowpath+0x13/0x20
[16554.906727] mutex_lock+0x2e/0x40
[16554.906731] rtnl_lock+0x15/0x20
[16554.906786] nl80211_dump_scan+0x34/0x160 [cfg80211]
[16554.906791] ? __alloc_skb+0x98/0x1d0
[16554.906799] netlink_dump+0x18b/0x390
[16554.906806] __netlink_dump_start+0x191/0x200
[16554.906810] genl_family_rcv_msg+0x3e9/0x470
[16554.906850] ? nl80211_dump_survey+0x2c0/0x2c0 [cfg80211]
[16554.906856] ? do_sys_poll+0x480/0x520
[16554.906861] ? copyout+0x2c/0x30
[16554.906866] genl_rcv_msg+0x4c/0xa0
[16554.906872] ? _cond_resched+0x19/0x30
[16554.906875] ? genl_family_rcv_msg+0x470/0x470
[16554.906881] netlink_rcv_skb+0x50/0x120
[16554.906885] genl_rcv+0x29/0x40
[16554.906890] netlink_unicast+0x187/0x220
[16554.906896] netlink_sendmsg+0x222/0x3e0
[16554.906902] sock_sendmsg+0x65/0x70
[16554.906905] ____sys_sendmsg+0x212/0x280
[16554.906910] ___sys_sendmsg+0x88/0xd0
[16554.906915] ? poll_select_finish+0x210/0x210
[16554.906919] ? poll_select_finish+0x210/0x210
[16554.906922] ? poll_select_finish+0x210/0x210
[16554.906927] ? ep_poll+0x294/0x420
[16554.906931] ? __fget_light+0x57/0x70
[16554.906935] __sys_sendmsg+0x5c/0xa0
[16554.906942] __x64_sys_sendmsg+0x1f/0x30
[16554.906950] do_syscall_64+0x57/0x190
[16554.906956] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16554.906963] RIP: 0033:0x7fda87f4c12d
[16554.906976] Code: Bad RIP value.
[16554.906979] RSP: 002b:00007ffca2c12840 EFLAGS: 00000293 ORIG_RAX:
000000000000002e
[16554.906984] RAX: ffffffffffffffda RBX: 0000559237020840 RCX: 00007fda87f4c12d
[16554.906986] RDX: 0000000000000000 RSI: 00007ffca2c12890 RDI: 000000000000000b
[16554.906988] RBP: 00007ffca2c12890 R08: 0000000000000000 R09: 0000000000001000
[16554.906990] R10: 0000559236ff2010 R11: 0000000000000293 R12: 0000559237020840
[16554.906992] R13: 0000559237020980 R14: 00007fda88087280 R15: 000055923716b350
[16554.907015] INFO: task wpa_supplicant:1216 blocked for more than 120 seconds.
[16554.907020] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16554.907022] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16554.907025] wpa_supplicant D 0 1216 1 0x00000000
[16554.907029] Call Trace:
[16554.907036] __schedule+0x2e3/0x740
[16554.907042] schedule+0x42/0xb0
[16554.907048] schedule_preempt_disabled+0xe/0x10
[16554.907051] __mutex_lock.isra.0+0x182/0x4f0
[16554.907057] __mutex_lock_slowpath+0x13/0x20
[16554.907060] mutex_lock+0x2e/0x40
[16554.907063] rtnl_lock+0x15/0x20
[16554.907102] nl80211_pre_doit+0x104/0x1b0 [cfg80211]
[16554.907106] genl_family_rcv_msg+0x1a5/0x470
[16554.907112] genl_rcv_msg+0x4c/0xa0
[16554.907117] ? _cond_resched+0x19/0x30
[16554.907120] ? genl_family_rcv_msg+0x470/0x470
[16554.907126] netlink_rcv_skb+0x50/0x120
[16554.907130] genl_rcv+0x29/0x40
[16554.907135] netlink_unicast+0x187/0x220
[16554.907141] netlink_sendmsg+0x222/0x3e0
[16554.907146] sock_sendmsg+0x65/0x70
[16554.907150] ____sys_sendmsg+0x212/0x280
[16554.907154] ___sys_sendmsg+0x88/0xd0
[16554.907161] ? destroy_inode+0x65/0x80
[16554.907166] ? evict+0x14c/0x1b0
[16554.907171] ? iput+0x148/0x210
[16554.907177] ? _cond_resched+0x19/0x30
[16554.907183] ? get_max_files+0x20/0x20
[16554.907189] ? __cgroup_bpf_run_filter_setsockopt+0xae/0x2c0
[16554.907194] ? _cond_resched+0x19/0x30
[16554.907199] ? aa_sk_perm+0x43/0x170
[16554.907204] __sys_sendmsg+0x5c/0xa0
[16554.907209] __x64_sys_sendmsg+0x1f/0x30
[16554.907215] do_syscall_64+0x57/0x190
[16554.907220] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16554.907223] RIP: 0033:0x7fb7db08c5b7
[16554.907229] Code: Bad RIP value.
[16554.907232] RSP: 002b:00007ffda972d8f8 EFLAGS: 00000246 ORIG_RAX:
000000000000002e
[16554.907235] RAX: ffffffffffffffda RBX: 000055b27117f590 RCX: 00007fb7db08c5b7
[16554.907237] RDX: 0000000000000000 RSI: 00007ffda972d930 RDI: 0000000000000006
[16554.907239] RBP: 000055b2711b38e0 R08: 0000000000000004 R09: 00007fb7db154b80
[16554.907241] R10: 00007ffda972da04 R11: 0000000000000246 R12: 000055b27117f4a0
[16554.907243] R13: 00007ffda972d930 R14: 00007ffda972da04 R15: 000055b2711c5dc0
[16554.907337] INFO: task DNS Resolver #7:12790 blocked for more than 120
seconds.
[16554.907341] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16554.907344] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16554.907346] DNS Resolver #7 D 0 12790 2278 0x00000000
[16554.907350] Call Trace:
[16554.907357] __schedule+0x2e3/0x740
[16554.907362] ? fib6_table_lookup+0xf2/0x2e0
[16554.907368] schedule+0x42/0xb0
[16554.907374] schedule_preempt_disabled+0xe/0x10
[16554.907377] __mutex_lock.isra.0+0x182/0x4f0
[16554.907382] __mutex_lock_slowpath+0x13/0x20
[16554.907385] mutex_lock+0x2e/0x40
[16554.907391] __netlink_dump_start+0x59/0x200
[16554.907395] rtnetlink_rcv_msg+0x23a/0x380
[16554.907399] ? __switch_to_asm+0x34/0x70
[16554.907403] ? rtnl_xdp_prog_skb+0x70/0x70
[16554.907406] ? rtnl_xdp_prog_skb+0x70/0x70
[16554.907410] ? rtnl_calcit.isra.0+0x100/0x100
[16554.907416] netlink_rcv_skb+0x50/0x120
[16554.907420] rtnetlink_rcv+0x15/0x20
[16554.907425] netlink_unicast+0x187/0x220
[16554.907431] netlink_sendmsg+0x222/0x3e0
[16554.907436] sock_sendmsg+0x65/0x70
[16554.907440] __sys_sendto+0x113/0x190
[16554.907446] ? fd_install+0x27/0x30
[16554.907450] ? __sys_socket+0x9e/0xf0
[16554.907454] __x64_sys_sendto+0x29/0x30
[16554.907459] do_syscall_64+0x57/0x190
[16554.907464] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16554.907466] RIP: 0033:0x7fbe1534a6b4
[16554.907472] Code: Bad RIP value.
[16554.907474] RSP: 002b:00007fbde8868120 EFLAGS: 00000293 ORIG_RAX:
000000000000002c
[16554.907477] RAX: ffffffffffffffda RBX: 00007fbde8869240 RCX: 00007fbe1534a6b4
[16554.907479] RDX: 0000000000000014 RSI: 00007fbde8869240 RDI: 00000000000000bb
[16554.907481] RBP: 0000000000000000 R08: 00007fbde88691e4 R09: 000000000000000c
[16554.907482] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fbde88691e4
[16554.907484] R13: 00007fbde8869870 R14: 00007fbde8869200 R15: 00000000000000bb
[16554.907499] INFO: task Qt bearer threa:2770 blocked for more than 120
seconds.
[16554.907502] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16554.907504] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16554.907507] Qt bearer threa D 0 2770 2278 0x00000000
[16554.907510] Call Trace:
[16554.907516] __schedule+0x2e3/0x740
[16554.907522] schedule+0x42/0xb0
[16554.907528] schedule_preempt_disabled+0xe/0x10
[16554.907531] __mutex_lock.isra.0+0x182/0x4f0
[16554.907536] __mutex_lock_slowpath+0x13/0x20
[16554.907539] mutex_lock+0x2e/0x40
[16554.907544] __netlink_dump_start+0x59/0x200
[16554.907548] rtnetlink_rcv_msg+0x23a/0x380
[16554.907552] ? rtnl_fill_ifinfo+0xea0/0xea0
[16554.907556] ? rtnl_fill_ifinfo+0xea0/0xea0
[16554.907559] ? rtnl_calcit.isra.0+0x100/0x100
[16554.907565] netlink_rcv_skb+0x50/0x120
[16554.907569] rtnetlink_rcv+0x15/0x20
[16554.907574] netlink_unicast+0x187/0x220
[16554.907580] netlink_sendmsg+0x222/0x3e0
[16554.907585] sock_sendmsg+0x65/0x70
[16554.907589] __sys_sendto+0x113/0x190
[16554.907596] ? fput+0x13/0x15
[16554.907600] ? __sys_setsockopt+0x153/0x180
[16554.907604] __x64_sys_sendto+0x29/0x30
[16554.907609] do_syscall_64+0x57/0x190
[16554.907614] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16554.907616] RIP: 0033:0x7fcd9a84754c
[16554.907621] Code: Bad RIP value.
[16554.907623] RSP: 002b:00007fcd7bb4a740 EFLAGS: 00000246 ORIG_RAX:
000000000000002c
[16554.907626] RAX: ffffffffffffffda RBX: 0000000000000022 RCX: 00007fcd9a84754c
[16554.907627] RDX: 0000000000000020 RSI: 00007fcd7bb4a7d0 RDI: 0000000000000022
[16554.907629] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[16554.907631] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd7bb4a888
[16554.907633] R13: 00007fcd7bb4a7a8 R14: 0000000000000000 R15: 00007fcd60036038
[16554.907747] INFO: task kworker/6:0:17454 blocked for more than 120 seconds.
[16554.907750] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16554.907752] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16554.907755] kworker/6:0 D 0 17454 2 0x80004000
[16554.907804] Workqueue: events disconnect_work [cfg80211]
[16554.907806] Call Trace:
[16554.907814] __schedule+0x2e3/0x740
[16554.907820] schedule+0x42/0xb0
[16554.907825] schedule_preempt_disabled+0xe/0x10
[16554.907828] __mutex_lock.isra.0+0x182/0x4f0
[16554.907833] ? __switch_to_asm+0x40/0x70
[16554.907837] ? __switch_to_asm+0x34/0x70
[16554.907841] ? __switch_to_asm+0x34/0x70
[16554.907844] ? __switch_to_asm+0x40/0x70
[16554.907848] ? __switch_to_asm+0x40/0x70
[16554.907851] __mutex_lock_slowpath+0x13/0x20
[16554.907854] mutex_lock+0x2e/0x40
[16554.907857] rtnl_lock+0x15/0x20
[16554.907896] disconnect_work+0x17/0xd0 [cfg80211]
[16554.907903] process_one_work+0x1eb/0x3b0
[16554.907908] worker_thread+0x4d/0x400
[16554.907914] kthread+0x104/0x140
[16554.907918] ? process_one_work+0x3b0/0x3b0
[16554.907922] ? kthread_park+0x90/0x90
[16554.907926] ret_from_fork+0x35/0x40
[16554.907933] INFO: task kworker/1:1:17590 blocked for more than 120 seconds.
[16554.907936] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16554.907939] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16554.907942] kworker/1:1 D 0 17590 2 0x80004000
[16554.907952] Workqueue: events linkwatch_event
[16554.907955] Call Trace:
[16554.907963] __schedule+0x2e3/0x740
[16554.907971] schedule+0x42/0xb0
[16554.907977] schedule_preempt_disabled+0xe/0x10
[16554.907980] __mutex_lock.isra.0+0x182/0x4f0
[16554.907984] ? __switch_to_asm+0x40/0x70
[16554.907988] ? __switch_to_asm+0x34/0x70
[16554.907994] ? __switch_to+0x7f/0x470
[16554.907997] ? __switch_to_asm+0x40/0x70
[16554.908001] __mutex_lock_slowpath+0x13/0x20
[16554.908004] mutex_lock+0x2e/0x40
[16554.908007] rtnl_lock+0x15/0x20
[16554.908011] linkwatch_event+0xe/0x30
[16554.908016] process_one_work+0x1eb/0x3b0
[16554.908021] worker_thread+0x4d/0x400
[16554.908025] kthread+0x104/0x140
[16554.908029] ? process_one_work+0x3b0/0x3b0
[16554.908032] ? kthread_park+0x90/0x90
[16554.908037] ret_from_fork+0x35/0x40
[16554.908055] INFO: task kworker/6:2:17714 blocked for more than 120 seconds.
[16554.908059] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16554.908061] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16554.908063] kworker/6:2 D 0 17714 2 0x80004000
[16554.908112] Workqueue: events_freezable ieee80211_restart_work [mac80211]
[16554.908114] Call Trace:
[16554.908122] __schedule+0x2e3/0x740
[16554.908128] schedule+0x42/0xb0
[16554.908133] schedule_preempt_disabled+0xe/0x10
[16554.908136] __mutex_lock.isra.0+0x182/0x4f0
[16554.908141] ? flush_workqueue_prep_pwqs+0x12e/0x140
[16554.908146] __mutex_lock_slowpath+0x13/0x20
[16554.908149] mutex_lock+0x2e/0x40
[16554.908151] rtnl_lock+0x15/0x20
[16554.908184] ieee80211_restart_work+0x5d/0xf0 [mac80211]
[16554.908189] process_one_work+0x1eb/0x3b0
[16554.908194] worker_thread+0x4d/0x400
[16554.908198] kthread+0x104/0x140
[16554.908202] ? process_one_work+0x3b0/0x3b0
[16554.908205] ? kthread_park+0x90/0x90
[16554.908210] ret_from_fork+0x35/0x40
[16675.735992] INFO: task NetworkManager:1178 blocked for more than 241 seconds.
[16675.736004] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16675.736007] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16675.736012] NetworkManager D 0 1178 1 0x00000000
[16675.736020] Call Trace:
[16675.736039] __schedule+0x2e3/0x740
[16675.736048] schedule+0x42/0xb0
[16675.736057] schedule_preempt_disabled+0xe/0x10
[16675.736062] __mutex_lock.isra.0+0x182/0x4f0
[16675.736073] ? kmalloc_large_node+0x88/0xa0
[16675.736079] ? __kmalloc_node_track_caller+0x250/0x310
[16675.736085] ? __switch_to_asm+0x34/0x70
[16675.736090] __mutex_lock_slowpath+0x13/0x20
[16675.736094] mutex_lock+0x2e/0x40
[16675.736100] rtnl_lock+0x15/0x20
[16675.736181] nl80211_dump_scan+0x34/0x160 [cfg80211]
[16675.736188] ? __alloc_skb+0x98/0x1d0
[16675.736196] netlink_dump+0x18b/0x390
[16675.736203] __netlink_dump_start+0x191/0x200
[16675.736207] genl_family_rcv_msg+0x3e9/0x470
[16675.736250] ? nl80211_dump_survey+0x2c0/0x2c0 [cfg80211]
[16675.736257] ? do_sys_poll+0x480/0x520
[16675.736263] ? copyout+0x2c/0x30
[16675.736268] genl_rcv_msg+0x4c/0xa0
[16675.736274] ? _cond_resched+0x19/0x30
[16675.736277] ? genl_family_rcv_msg+0x470/0x470
[16675.736283] netlink_rcv_skb+0x50/0x120
[16675.736287] genl_rcv+0x29/0x40
[16675.736293] netlink_unicast+0x187/0x220
[16675.736299] netlink_sendmsg+0x222/0x3e0
[16675.736305] sock_sendmsg+0x65/0x70
[16675.736309] ____sys_sendmsg+0x212/0x280
[16675.736314] ___sys_sendmsg+0x88/0xd0
[16675.736319] ? poll_select_finish+0x210/0x210
[16675.736323] ? poll_select_finish+0x210/0x210
[16675.736327] ? poll_select_finish+0x210/0x210
[16675.736332] ? ep_poll+0x294/0x420
[16675.736336] ? __fget_light+0x57/0x70
[16675.736340] __sys_sendmsg+0x5c/0xa0
[16675.736346] __x64_sys_sendmsg+0x1f/0x30
[16675.736353] do_syscall_64+0x57/0x190
[16675.736358] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16675.736363] RIP: 0033:0x7fda87f4c12d
[16675.736374] Code: Bad RIP value.
[16675.736377] RSP: 002b:00007ffca2c12840 EFLAGS: 00000293 ORIG_RAX:
000000000000002e
[16675.736381] RAX: ffffffffffffffda RBX: 0000559237020840 RCX: 00007fda87f4c12d
[16675.736384] RDX: 0000000000000000 RSI: 00007ffca2c12890 RDI: 000000000000000b
[16675.736386] RBP: 00007ffca2c12890 R08: 0000000000000000 R09: 0000000000001000
[16675.736388] R10: 0000559236ff2010 R11: 0000000000000293 R12: 0000559237020840
[16675.736389] R13: 0000559237020980 R14: 00007fda88087280 R15: 000055923716b350
[16675.736415] INFO: task wpa_supplicant:1216 blocked for more than 241 seconds.
[16675.736421] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16675.736423] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16675.736426] wpa_supplicant D 0 1216 1 0x00000000
[16675.736430] Call Trace:
[16675.736437] __schedule+0x2e3/0x740
[16675.736444] schedule+0x42/0xb0
[16675.736450] schedule_preempt_disabled+0xe/0x10
[16675.736453] __mutex_lock.isra.0+0x182/0x4f0
[16675.736459] __mutex_lock_slowpath+0x13/0x20
[16675.736462] mutex_lock+0x2e/0x40
[16675.736465] rtnl_lock+0x15/0x20
[16675.736504] nl80211_pre_doit+0x104/0x1b0 [cfg80211]
[16675.736509] genl_family_rcv_msg+0x1a5/0x470
[16675.736514] genl_rcv_msg+0x4c/0xa0
[16675.736520] ? _cond_resched+0x19/0x30
[16675.736523] ? genl_family_rcv_msg+0x470/0x470
[16675.736529] netlink_rcv_skb+0x50/0x120
[16675.736533] genl_rcv+0x29/0x40
[16675.736539] netlink_unicast+0x187/0x220
[16675.736545] netlink_sendmsg+0x222/0x3e0
[16675.736550] sock_sendmsg+0x65/0x70
[16675.736554] ____sys_sendmsg+0x212/0x280
[16675.736559] ___sys_sendmsg+0x88/0xd0
[16675.736565] ? destroy_inode+0x65/0x80
[16675.736570] ? evict+0x14c/0x1b0
[16675.736576] ? iput+0x148/0x210
[16675.736581] ? _cond_resched+0x19/0x30
[16675.736587] ? get_max_files+0x20/0x20
[16675.736594] ? __cgroup_bpf_run_filter_setsockopt+0xae/0x2c0
[16675.736599] ? _cond_resched+0x19/0x30
[16675.736604] ? aa_sk_perm+0x43/0x170
[16675.736610] __sys_sendmsg+0x5c/0xa0
[16675.736615] __x64_sys_sendmsg+0x1f/0x30
[16675.736621] do_syscall_64+0x57/0x190
[16675.736626] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16675.736629] RIP: 0033:0x7fb7db08c5b7
[16675.736636] Code: Bad RIP value.
[16675.736638] RSP: 002b:00007ffda972d8f8 EFLAGS: 00000246 ORIG_RAX:
000000000000002e
[16675.736642] RAX: ffffffffffffffda RBX: 000055b27117f590 RCX: 00007fb7db08c5b7
[16675.736644] RDX: 0000000000000000 RSI: 00007ffda972d930 RDI: 0000000000000006
[16675.736646] RBP: 000055b2711b38e0 R08: 0000000000000004 R09: 00007fb7db154b80
[16675.736648] R10: 00007ffda972da04 R11: 0000000000000246 R12: 000055b27117f4a0
[16675.736650] R13: 00007ffda972d930 R14: 00007ffda972da04 R15: 000055b2711c5dc0
[16675.736740] INFO: task DNS Resolver #7:12790 blocked for more than 241
seconds.
[16675.736744] Tainted: G W OE 5.4.0-21-generic #25-Ubuntu
[16675.736746] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[16675.736749] DNS Resolver #7 D 0 12790 2278 0x00000000
[16675.736753] Call Trace:
[16675.736760] __schedule+0x2e3/0x740
[16675.736765] ? fib6_table_lookup+0xf2/0x2e0
[16675.736771] schedule+0x42/0xb0
[16675.736777] schedule_preempt_disabled+0xe/0x10
[16675.736781] __mutex_lock.isra.0+0x182/0x4f0
[16675.736788] __mutex_lock_slowpath+0x13/0x20
[16675.736792] mutex_lock+0x2e/0x40
[16675.736801] __netlink_dump_start+0x59/0x200
[16675.736807] rtnetlink_rcv_msg+0x23a/0x380
[16675.736812] ? __switch_to_asm+0x34/0x70
[16675.736816] ? rtnl_xdp_prog_skb+0x70/0x70
[16675.736821] ? rtnl_xdp_prog_skb+0x70/0x70
[16675.736830] ? rtnl_calcit.isra.0+0x100/0x100
[16675.736836] netlink_rcv_skb+0x50/0x120
[16675.736840] rtnetlink_rcv+0x15/0x20
[16675.736845] netlink_unicast+0x187/0x220
[16675.736851] netlink_sendmsg+0x222/0x3e0
[16675.736857] sock_sendmsg+0x65/0x70
[16675.736861] __sys_sendto+0x113/0x190
[16675.736868] ? fd_install+0x27/0x30
[16675.736872] ? __sys_socket+0x9e/0xf0
[16675.736876] __x64_sys_sendto+0x29/0x30
[16675.736882] do_syscall_64+0x57/0x190
[16675.736886] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[16675.736889] RIP: 0033:0x7fbe1534a6b4
[16675.736896] Code: Bad RIP value.
[16675.736898] RSP: 002b:00007fbde8868120 EFLAGS: 00000293 ORIG_RAX:
000000000000002c
[16675.736901] RAX: ffffffffffffffda RBX: 00007fbde8869240 RCX: 00007fbe1534a6b4
[16675.736903] RDX: 0000000000000014 RSI: 00007fbde8869240 RDI: 00000000000000bb
[16675.736906] RBP: 0000000000000000 R08: 00007fbde88691e4 R09: 000000000000000c
[16675.736908] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fbde88691e4
[16675.736909] R13: 00007fbde8869870 R14: 00007fbde8869200 R15: 00000000000000bb
[16987.865772] perf: interrupt took too long (3984 > 3980), lowering
kernel.perf_event_max_sample_rate to 50000
I had to use the power button to reboot my computer. I could not do this
from the UI or cli.
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https://bugs.launchpad.net/bugs/1872351
Title:
Qualcomm Atheros QCA6174 Killer 1435 Wireless-AC: Disabling wifi
causes kernel warning in __sta_info_destroy_part2
Status in linux package in Ubuntu:
Confirmed
Bug description:
I have multiple issues with wifi on my Dell XPS 9380.
This error was triggered when I tried to disable my wifi.
[ 3634.322471] ------------[ cut here ]------------
[ 3634.322524] WARNING: CPU: 3 PID: 1188 at net/mac80211/sta_info.c:1057
__sta_info_destroy_part2+0x14e/0x160 [mac80211]
[ 3634.322525] Modules linked in: rfcomm vboxnetadp(OE) vboxnetflt(OE)
vboxdrv(OE) ccm typec_displayport cmac algif_hash algif_skcipher af_alg bnep
binfmt_misc nls_iso8859_1 mei_hdcp intel_rapl_msr snd_hda_codec_hdmi
dell_laptop snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio
snd_hda_intel snd_intel_nhlt snd_hda_codec snd_hda_core snd_usb_audio
ath10k_pci x86_pkg_temp_thermal snd_usbmidi_lib snd_seq_midi snd_hwdep
snd_seq_midi_event ath10k_core intel_powerclamp coretemp cdc_ether snd_rawmidi
usbnet btusb kvm_intel r8152 ath btrtl mii btbcm kvm snd_seq uvcvideo
videobuf2_vmalloc btintel videobuf2_memops intel_cstate videobuf2_v4l2 joydev
snd_seq_device snd_pcm dell_wmi intel_rapl_perf videobuf2_common bluetooth
mac80211 dell_smbios videodev snd_timer dcdbas mc input_leds ecdh_generic ecc
wmi_bmof snd dell_wmi_descriptor serio_raw intel_wmi_thunderbolt cfg80211
soundcore rtsx_pci_ms libarc4 memstick hid_multitouch processor_thermal_device
ucsi_acpi typec_ucsi mei_me intel_rapl_common
[ 3634.322564] intel_xhci_usb_role_switch mei typec intel_soc_dts_iosf
intel_pch_thermal roles int3403_thermal int340x_thermal_zone int3400_thermal
mac_hid acpi_pad intel_hid acpi_thermal_rel sparse_keymap sch_fq_codel
parport_pc ppdev lp parport ip_tables x_tables autofs4 mmc_block dm_crypt
usbhid hid_generic crct10dif_pclmul crc32_pclmul rtsx_pci_sdmmc i915
ghash_clmulni_intel aesni_intel crypto_simd cryptd i2c_algo_bit glue_helper
drm_kms_helper psmouse syscopyarea sysfillrect nvme sysimgblt i2c_i801
fb_sys_fops nvme_core drm intel_lpss_pci rtsx_pci intel_lpss idma64 i2c_hid
virt_dma wmi hid pinctrl_sunrisepoint video pinctrl_intel
[ 3634.322599] CPU: 3 PID: 1188 Comm: NetworkManager Tainted: G OE
5.4.0-21-generic #25-Ubuntu
[ 3634.322600] Hardware name: Dell Inc. XPS 13 9370/0F6P3V, BIOS 1.12.1
12/11/2019
[ 3634.322633] RIP: 0010:__sta_info_destroy_part2+0x14e/0x160 [mac80211]
[ 3634.322635] Code: 24 0c 01 00 00 00 0f 84 52 ff ff ff 45 31 c0 b9 01 00 00
00 4c 89 e2 48 89 de 4c 89 ef e8 0a a6 ff ff 85 c0 0f 84 34 ff ff ff <0f> 0b e9
2d ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
[ 3634.322636] RSP: 0018:ffffa70c009c3918 EFLAGS: 00010282
[ 3634.322638] RAX: 00000000ffffff94 RBX: ffff9006104cc8c0 RCX:
0000000000000000
[ 3634.322640] RDX: ffff90061ba3c740 RSI: 0000000000000000 RDI:
ffff900613a62f48
[ 3634.322641] RBP: ffffa70c009c3938 R08: ffff90061e4d78c8 R09:
0000000000000004
[ 3634.322642] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff900613f28000
[ 3634.322643] R13: ffff900613a607a0 R14: ffff9006104cc8c0 R15:
ffff900613a60d68
[ 3634.322644] FS: 00007f596b396240(0000) GS:ffff90061e4c0000(0000)
knlGS:0000000000000000
[ 3634.322645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3634.322646] CR2: 00000db00945f000 CR3: 0000000494824005 CR4:
00000000003606e0
[ 3634.322647] Call Trace:
[ 3634.322670] __sta_info_flush+0x128/0x180 [mac80211]
[ 3634.322696] ieee80211_set_disassoc+0xc0/0x5f0 [mac80211]
[ 3634.322719] ieee80211_mgd_deauth+0x104/0x490 [mac80211]
[ 3634.322743] ieee80211_deauth+0x18/0x20 [mac80211]
[ 3634.322782] cfg80211_mlme_deauth+0xb6/0x1e0 [cfg80211]
[ 3634.322804] cfg80211_mlme_down+0x66/0x80 [cfg80211]
[ 3634.322823] cfg80211_disconnect+0x127/0x1e0 [cfg80211]
[ 3634.322827] ? _raw_spin_unlock_bh+0x1e/0x20
[ 3634.322845] __cfg80211_leave+0x133/0x1b0 [cfg80211]
[ 3634.322862] cfg80211_leave+0x2c/0x40 [cfg80211]
[ 3634.322879] cfg80211_netdev_notifier_call+0x1b2/0x590 [cfg80211]
[ 3634.322902] ? ath10k_warn.cold+0x1a/0x1f [ath10k_core]
[ 3634.322911] ? ath10k_config_ps+0x52/0x70 [ath10k_core]
[ 3634.322913] ? rtnl_is_locked+0x15/0x20
[ 3634.322917] ? inetdev_event+0x47/0x560
[ 3634.322919] ? skb_dequeue+0x5a/0x70
[ 3634.322923] notifier_call_chain+0x55/0x80
[ 3634.322925] raw_notifier_call_chain+0x16/0x20
[ 3634.322927] call_netdevice_notifiers_info+0x2e/0x60
[ 3634.322929] __dev_close_many+0x63/0x120
[ 3634.322931] dev_close_many+0x91/0x150
[ 3634.322933] dev_close.part.0+0x4a/0x70
[ 3634.322936] dev_close+0x18/0x20
[ 3634.322955] cfg80211_shutdown_all_interfaces+0x77/0xd0 [cfg80211]
[ 3634.322971] cfg80211_rfkill_set_block+0x26/0x30 [cfg80211]
[ 3634.322974] rfkill_set_block+0x9b/0x150
[ 3634.322976] rfkill_fop_write+0x136/0x1e0
[ 3634.322979] __vfs_write+0x1b/0x40
[ 3634.322981] vfs_write+0xb9/0x1a0
[ 3634.322983] ksys_write+0xb1/0xe0
[ 3634.322985] __x64_sys_write+0x1a/0x20
[ 3634.322988] do_syscall_64+0x57/0x190
[ 3634.322991] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 3634.322993] RIP: 0033:0x7f596c8062cf
[ 3634.322995] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 29 fd ff ff 48
8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00
f0 ff ff 77 2d 44 89 c7 48 89 44 24 08 e8 5c fd ff ff 48
[ 3634.322996] RSP: 002b:00007ffc165340c0 EFLAGS: 00000293 ORIG_RAX:
0000000000000001
[ 3634.322998] RAX: ffffffffffffffda RBX: 0000559d02bf45c5 RCX:
00007f596c8062cf
[ 3634.322999] RDX: 0000000000000008 RSI: 00007ffc165340f8 RDI:
0000000000000020
[ 3634.323000] RBP: 0000000000000020 R08: 0000000000000000 R09:
0000000000000001
[ 3634.323001] R10: 0000000000000000 R11: 0000000000000293 R12:
0000559d03d01040
[ 3634.323002] R13: 0000000000000000 R14: 0000000000000000 R15:
0000559d03cf8820
[ 3634.323004] ---[ end trace 3dc4d97c4ae22dea ]---
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-21-generic 5.4.0-21.25
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: nikolaj 1961 F.... pulseaudio
/dev/snd/controlC0: nikolaj 1961 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 12 22:42:46 2020
InstallationDate: Installed on 2019-11-15 (149 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: Dell Inc. XPS 13 9370
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic
root=/dev/mapper/vgubuntu-root ro quiet splash mem_sleep_default=deep
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-21-generic N/A
linux-backports-modules-5.4.0-21-generic N/A
linux-firmware 1.187
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-04-04 (8 days ago)
dmi.bios.date: 12/11/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.12.1
dmi.board.name: 0F6P3V
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.12.1:bd12/11/2019:svnDellInc.:pnXPS139370:pvr:rvnDellInc.:rn0F6P3V:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 13 9370
dmi.product.sku: 07E6
dmi.sys.vendor: Dell Inc.
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