I'm seeing a very similar stacktrace in focal with kernel
5.4.0-73-generic, although it's not constantly popping up AFAICT:
[133613.129375] ------------[ cut here ]------------
[133613.129433] WARNING: CPU: 2 PID: 542 at net/wireless/sme.c:973
cfg80211_roamed+0x210/0x230 [cfg80211]
[133613.129435] Modules linked in: xt_MASQUERADE nf_conntrack_netlink nfnetlink
xfrm_user xfrm_algo iptable_nat xt_addrtype iptable_filter bpfilter
xt_conntrack nf_nat n
f_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c br_netfilter bridge stp llc
aufs snd_hda_codec_hdmi intel_powerclamp kvm_intel kvm intel_cstate
snd_hda_codec_realtek
snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg
snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi samsung_laptop
snd_seq_midi_event snd_rawmi
di uvcvideo videobuf2_vmalloc videobuf2_memops snd_seq videobuf2_v4l2 btusb
videobuf2_common btrtl btbcm btintel videodev bluetooth snd_seq_device
serio_raw input_leds s
nd_timer joydev mc binfmt_misc ecdh_generic wl(POE) snd ecc cfg80211 soundcore
mac_hid sch_fq_codel cuse coretemp parport_pc ppdev lp parport ip_tables
x_tables autofs4
hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid nouveau mxm_wmi wmi
i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect psmouse sysimgblt
fb_sys_fops
[133613.129500] ahci drm sky2 libahci i2c_i801 lpc_ich video
[133613.129512] CPU: 2 PID: 542 Comm: wl_event_handle Kdump: loaded Tainted: P
W OE 5.4.0-73-generic #82-Ubuntu
[133613.129514] Hardware name: SAMSUNG ELECTRONICS CO., LTD. Q430/Q530
/Q430/Q530 , BIOS 02KF.M008.20100529.KSJ 05/29/2010
[133613.129550] RIP: 0010:cfg80211_roamed+0x210/0x230 [cfg80211]
[133613.129554] Code: 00 00 00 49 8d 4d 70 4c 89 f7 45 0f b6 85 90 00 00 00 6a
02 48 8b 36 e8 7e 54 fd ff 48 89 43 08 5a 48 85 c0 0f 85 36 fe ff ff <0f> 0b eb
85 0f 0b 4
8 8b 73 08 49 8b 7d 00 e8 1d 4d fd ff e9 71 ff
[133613.129556] RSP: 0018:ffffac4ac0e47db0 EFLAGS: 00010246
[133613.129559] RAX: 0000000000000000 RBX: ffffac4ac0e47e00 RCX:
0000000000000003
[133613.129561] RDX: 0000000000000002 RSI: 00000000fffffe01 RDI:
ffffffffc061587a
[133613.129563] RBP: ffffac4ac0e47de0 R08: 0000000000000000 R09:
ffff898c94e5e0f8
[133613.129565] R10: ffff898c94e5efba R11: fffffffefe0390b6 R12:
0000000000000cc0
[133613.129566] R13: ffff898c911fcc00 R14: ffff898c94e5e300 R15:
dead000000000100
[133613.129569] FS: 0000000000000000(0000) GS:ffff898c9bb00000(0000)
knlGS:0000000000000000
[133613.129571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[133613.129574] CR2: 00007fc10d169000 CR3: 000000010500a000 CR4:
00000000000006e0
[133613.129576] Call Trace:
[133613.129669] wl_bss_roaming_done.isra.0+0xd6/0x110 [wl]
[133613.129748] ? wl_bss_roaming_done.isra.0+0xd6/0x110 [wl]
[133613.129828] wl_notify_roaming_status+0x46/0x60 [wl]
[133613.129834] ? down_interruptible+0x38/0x60
[133613.129913] wl_event_handler+0x6c/0x150 [wl]
[133613.129918] kthread+0x104/0x140
[133613.129996] ? wl_notify_scan_status+0x250/0x250 [wl]
[133613.129999] ? kthread_park+0x90/0x90
[133613.130003] ret_from_fork+0x35/0x40
[133613.130008] ---[ end trace 8542296f4654f377 ]---
[133614.516019] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
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https://bugs.launchpad.net/bugs/1825488
Title:
wl driver throws stack trace repeatdly
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