Additional Info:

Testing mainline kernels as requested on discourse

The bug is fixed in mainline 
The fix happens between 6.8.12 (fails) and 6.9.0 (works)

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https://bugs.launchpad.net/bugs/2091587

Title:
  ath11k driver crashes when attempting to connect to Access point
  served by Raspberry PI

Status in linux-signed-oem-6.8 package in Ubuntu:
  New

Bug description:
  Hardware:

  New ThinkPad L16 with default configuration wireless (soldered module)
  
https://www.lenovo.com/gb/en/p/laptops/thinkpad/thinkpadl/lenovo-thinkpad-l16-16-inch-amd/21l7cto1wwgb1

  
  New install of 24-04 LTS
  $ lsb_release -rd
  No LSB modules are available.
  Description:  Ubuntu 24.04.1 LTS
  Release:      24.04


  Behavior:
  Wireless appears to work correctly when connected to my home WiFi (no portal) 
and one other public WiFi (with portal).

  
  When connecting to a Raspberry PI which is running HostAP the user experience 
is as you would expect for a incorrect password, that is, a text box asking for 
the password, a long timeout trying to connect followed by a text box asking 
for the password. I am confident that the password is correct. Looking in the 
logs I can see a repeating crash and recovery of the ath11k driver

  $Journctrl -f

  
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8699] device (wlp1s0): Activation: starting connection 
'RoboCon2025-Team21' (06aafb6f-033e-464e-9fe0-8b83f2e3085d)
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8701] device (wlp1s0): supplicant interface state: completed -> 
disconnected
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8710] device (wlp1s0): state change: disconnected -> prepare 
(reason 'none', sys-iface-state: 'managed')
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8712] device (wlp1s0): state change: prepare -> config (reason 
'none', sys-iface-state: 'managed')
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8714] device (wlp1s0): Activation: (wifi) access point 
'RoboCon2025-Team21' has security, but secrets are required.
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8714] device (wlp1s0): state change: config -> need-auth (reason 
'none', sys-iface-state: 'managed')
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8719] device (wlp1s0): state change: need-auth -> prepare (reason 
'none', sys-iface-state: 'managed')
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8721] device (wlp1s0): state change: prepare -> config (reason 
'none', sys-iface-state: 'managed')
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8722] device (wlp1s0): Activation: (wifi) connection 
'RoboCon2025-Team21' has security, and secrets exist.  No new secrets needed.
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8722] Config: added 'ssid' value 'RoboCon2025-Team21'
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8722] Config: added 'scan_ssid' value '1'
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8722] Config: added 'bgscan' value 'simple:30:-70:86400'
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8722] Config: added 'key_mgmt' value 'WPA-PSK WPA-PSK-SHA256 FT-PSK 
SAE FT-SAE'
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8722] Config: added 'auth_alg' value 'OPEN'
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.8722] Config: added 'psk' value '<hidden>'
  Dec 11 20:07:52 Wills-ThinkPad wpa_supplicant[1638]: wlp1s0: SME: Trying to 
authenticate with e4:5f:01:f5:2c:19 (SSID='RoboCon2025-Team21' freq=2437 MHz)
  Dec 11 20:07:52 Wills-ThinkPad kernel: wlp1s0: 80 MHz not supported, 
disabling VHT
  Dec 11 20:07:52 Wills-ThinkPad kernel: wlp1s0: authenticate with 
e4:5f:01:f5:2c:19 (local address=8c:3b:4a:a9:45:2b)
  Dec 11 20:07:52 Wills-ThinkPad kernel: wlp1s0: send auth to e4:5f:01:f5:2c:19 
(try 1/3)
  Dec 11 20:07:52 Wills-ThinkPad wpa_supplicant[1638]: wlp1s0: 
CTRL-EVENT-REGDOM-CHANGE init=DRIVER type=COUNTRY alpha2=DE
  Dec 11 20:07:52 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947672.9967] device (wlp1s0): supplicant interface state: disconnected -> 
authenticating
  Dec 11 20:07:52 Wills-ThinkPad wpa_supplicant[1638]: wlp1s0: Trying to 
associate with e4:5f:01:f5:2c:19 (SSID='RoboCon2025-Team21' freq=2437 MHz)
  Dec 11 20:07:53 Wills-ThinkPad kernel: wlp1s0: authenticated
  Dec 11 20:07:53 Wills-ThinkPad kernel: ath11k_pci 0000:01:00.0 wlp1s0: 
disabling HT/VHT/HE as WMM/QoS is not supported by the AP
  Dec 11 20:07:53 Wills-ThinkPad kernel: wlp1s0: 80 MHz not supported, 
disabling VHT
  Dec 11 20:07:53 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947673.0128] device (wlp1s0): supplicant interface state: authenticating 
-> associating
  Dec 11 20:07:53 Wills-ThinkPad kernel: wlp1s0: associate with 
e4:5f:01:f5:2c:19 (try 1/3)
  Dec 11 20:07:53 Wills-ThinkPad kernel: wlp1s0: associate with 
e4:5f:01:f5:2c:19 (try 2/3)
  Dec 11 20:07:53 Wills-ThinkPad kernel: wlp1s0: associate with 
e4:5f:01:f5:2c:19 (try 3/3)
  Dec 11 20:07:53 Wills-ThinkPad kernel: wlp1s0: association with 
e4:5f:01:f5:2c:19 timed out
  Dec 11 20:07:53 Wills-ThinkPad kernel: ath11k_pci 0000:01:00.0: failed to 
lookup peer e4:5f:01:f5:2c:19 on vdev 0
  Dec 11 20:07:56 Wills-ThinkPad kernel: ------------[ cut here ]------------
  Dec 11 20:07:56 Wills-ThinkPad kernel: WARNING: CPU: 5 PID: 523 at 
drivers/net/wireless/ath/ath11k/mac.c:7705 
ath11k_mac_op_unassign_vif_chanctx+0x28f/0x2f0 [ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel: Modules linked in: ccm michael_mic 
rfcomm snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi 
snd_seq snd_seq_device cmac algif_hash algif_skcipher af_alg bnep cdc_mbim 
binfmt_misc cdc_wdm intel_rapl_msr snd_soc_acp6x_mach snd_soc_dmic 
intel_rapl_common nls_iso8859_1 btusb snd_acp6x_pdm_dma uvcvideo btrtl btintel 
videobuf2_vmalloc btbcm uvc videobuf2_memops btmtk snd_sof_amd_acp63 
videobuf2_v4l2 snd_sof_amd_vangogh snd_sof_amd_rembrandt edac_mce_amd bluetooth 
cdc_ncm snd_sof_amd_renoir videodev cdc_ether snd_sof_amd_acp qrtr_mhi 
videobuf2_common snd_sof_pci usbnet ecdh_generic kvm_amd usbhid mc mii ecc 
snd_sof_xtensa_dsp snd_sof amdgpu input_leds kvm joydev snd_sof_utils 
snd_ctl_led mac_hid snd_soc_core qrtr snd_hda_codec_realtek 
snd_hda_codec_generic snd_hda_codec_hdmi irqbypass crct10dif_pclmul 
snd_compress polyval_clmulni polyval_generic ac97_bus ath11k_pci 
ghash_clmulni_intel sha256_ssse3 sha1_ssse3 snd_hda_intel snd_pcm_
 dmaengine snd_intel_dspcfg aesni_intel snd_intel_sdw_acpi ath11k
  Dec 11 20:07:56 Wills-ThinkPad kernel:  amdxcp crypto_simd qmi_helpers 
drm_exec snd_hda_codec gpu_sched typec_displayport snd_pci_ps cryptd 
snd_rpl_pci_acp6x drm_buddy snd_acp_pci mac80211 snd_acp_legacy_common 
drm_suballoc_helper rapl drm_ttm_helper ttm snd_hda_core think_lmi snd_hwdep 
snd_pci_acp6x drm_display_helper firmware_attributes_class wmi_bmof snd_pcm cec 
rc_core snd_timer cfg80211 ccp snd_pci_acp5x snd_rn_pci_acp3x libarc4 
i2c_algo_bit snd_acp_config snd_soc_acpi snd_pci_acp3x k10temp thinkpad_acpi 
i2c_piix4 mhi nvram acpi_tad amd_pmc serio_raw sch_fq_codel msr parport_pc 
ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 snd 
nvme hid_multitouch soundcore hid_generic nvme_core r8169 xhci_pci ucsi_acpi 
video crc32_pclmul thunderbolt psmouse typec_ucsi ledtrig_audio 
xhci_pci_renesas nvme_auth realtek i2c_hid_acpi typec platform_profile i2c_hid 
wmi hid
  Dec 11 20:07:56 Wills-ThinkPad kernel: CPU: 5 PID: 523 Comm: kworker/u24:13 
Not tainted 6.8.0-1018-oem #18-Ubuntu
  Dec 11 20:07:56 Wills-ThinkPad kernel: Hardware name: LENOVO 
21L7CTO1WW/21L7CTO1WW, BIOS R2IET29W (1.29 ) 11/01/2024
  Dec 11 20:07:56 Wills-ThinkPad kernel: Workqueue: events_unbound 
cfg80211_wiphy_work [cfg80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel: RIP: 
0010:ath11k_mac_op_unassign_vif_chanctx+0x28f/0x2f0 [ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel: Code: fe ff ff 4c 89 e7 e8 40 90 ff ff 
85 c0 0f 84 8d fe ff ff 49 8b 3c 24 89 c2 48 c7 c6 40 9e f0 c0 e8 66 b8 01 00 
e9 76 fe ff ff <0f> 0b e9 c2 fd ff ff 4c 8d b3 f4 04 00 00 8b b3 30 04 00 00 4c 
89
  Dec 11 20:07:56 Wills-ThinkPad kernel: RSP: 0018:ffffb368c1c4fb90 EFLAGS: 
00010246
  Dec 11 20:07:56 Wills-ThinkPad kernel: RAX: 0000000000000000 RBX: 
ffff899aac7adc58 RCX: ffff899a8a122298
  Dec 11 20:07:56 Wills-ThinkPad kernel: RDX: 0000000000000000 RSI: 
ffff899aac7adc58 RDI: 0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: RBP: ffffb368c1c4fbc8 R08: 
0000000000000000 R09: 0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: R10: 0000000000000000 R11: 
0000000000000000 R12: ffff899aa73c1fe0
  Dec 11 20:07:56 Wills-ThinkPad kernel: R13: ffff899aa9c60000 R14: 
0000000000000000 R15: ffff899aa73c50b8
  Dec 11 20:07:56 Wills-ThinkPad kernel: FS:  0000000000000000(0000) 
GS:ffff89a19ee80000(0000) knlGS:0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Dec 11 20:07:56 Wills-ThinkPad kernel: CR2: 0000742a6109f000 CR3: 
000000038fc3c000 CR4: 0000000000f50ef0
  Dec 11 20:07:56 Wills-ThinkPad kernel: PKRU: 55555554
  Dec 11 20:07:56 Wills-ThinkPad kernel: Call Trace:
  Dec 11 20:07:56 Wills-ThinkPad kernel:  <TASK>
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? show_regs+0x6d/0x80
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __warn+0x89/0x160
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? 
ath11k_mac_op_unassign_vif_chanctx+0x28f/0x2f0 [ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? report_bug+0x17e/0x1b0
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? handle_bug+0x51/0xa0
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? exc_invalid_op+0x18/0x80
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? asm_exc_invalid_op+0x1b/0x20
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? 
ath11k_mac_op_unassign_vif_chanctx+0x28f/0x2f0 [ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? krc_this_cpu_lock+0x35/0x50
  Dec 11 20:07:56 Wills-ThinkPad kernel:  drv_unassign_vif_chanctx+0x126/0x1f0 
[mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
ieee80211_assign_link_chanctx+0x59/0x200 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
__ieee80211_link_release_channel+0x5e/0x140 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
ieee80211_link_release_channel+0x21/0x40 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
ieee80211_destroy_assoc_data+0x161/0x1e0 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? _printk+0x60/0x90
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ieee80211_sta_work+0x3f9/0x710 
[mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? kick_pool+0x7e/0x110
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ieee80211_iface_work+0x16a/0x1a0 
[mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  cfg80211_wiphy_work+0xbf/0xe0 
[cfg80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  process_one_work+0x178/0x350
  Dec 11 20:07:56 Wills-ThinkPad kernel:  worker_thread+0x306/0x440
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? _raw_spin_lock_irqsave+0xe/0x20
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __pfx_worker_thread+0x10/0x10
  Dec 11 20:07:56 Wills-ThinkPad kernel:  kthread+0xf2/0x120
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __pfx_kthread+0x10/0x10
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ret_from_fork+0x47/0x70
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __pfx_kthread+0x10/0x10
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ret_from_fork_asm+0x1b/0x30
  Dec 11 20:07:56 Wills-ThinkPad kernel:  </TASK>
  Dec 11 20:07:56 Wills-ThinkPad kernel: ---[ end trace 0000000000000000 ]---
  Dec 11 20:07:56 Wills-ThinkPad kernel: ------------[ cut here ]------------
  Dec 11 20:07:56 Wills-ThinkPad kernel: WARNING: CPU: 5 PID: 523 at 
drivers/net/wireless/ath/ath11k/mac.c:7328 ath11k_mac_vdev_stop+0x115/0x170 
[ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel: Modules linked in: ccm michael_mic 
rfcomm snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi 
snd_seq snd_seq_device cmac algif_hash algif_skcipher af_alg bnep cdc_mbim 
binfmt_misc cdc_wdm intel_rapl_msr snd_soc_acp6x_mach snd_soc_dmic 
intel_rapl_common nls_iso8859_1 btusb snd_acp6x_pdm_dma uvcvideo btrtl btintel 
videobuf2_vmalloc btbcm uvc videobuf2_memops btmtk snd_sof_amd_acp63 
videobuf2_v4l2 snd_sof_amd_vangogh snd_sof_amd_rembrandt edac_mce_amd bluetooth 
cdc_ncm snd_sof_amd_renoir videodev cdc_ether snd_sof_amd_acp qrtr_mhi 
videobuf2_common snd_sof_pci usbnet ecdh_generic kvm_amd usbhid mc mii ecc 
snd_sof_xtensa_dsp snd_sof amdgpu input_leds kvm joydev snd_sof_utils 
snd_ctl_led mac_hid snd_soc_core qrtr snd_hda_codec_realtek 
snd_hda_codec_generic snd_hda_codec_hdmi irqbypass crct10dif_pclmul 
snd_compress polyval_clmulni polyval_generic ac97_bus ath11k_pci 
ghash_clmulni_intel sha256_ssse3 sha1_ssse3 snd_hda_intel snd_pcm_
 dmaengine snd_intel_dspcfg aesni_intel snd_intel_sdw_acpi ath11k
  Dec 11 20:07:56 Wills-ThinkPad kernel:  amdxcp crypto_simd qmi_helpers 
drm_exec snd_hda_codec gpu_sched typec_displayport snd_pci_ps cryptd 
snd_rpl_pci_acp6x drm_buddy snd_acp_pci mac80211 snd_acp_legacy_common 
drm_suballoc_helper rapl drm_ttm_helper ttm snd_hda_core think_lmi snd_hwdep 
snd_pci_acp6x drm_display_helper firmware_attributes_class wmi_bmof snd_pcm cec 
rc_core snd_timer cfg80211 ccp snd_pci_acp5x snd_rn_pci_acp3x libarc4 
i2c_algo_bit snd_acp_config snd_soc_acpi snd_pci_acp3x k10temp thinkpad_acpi 
i2c_piix4 mhi nvram acpi_tad amd_pmc serio_raw sch_fq_codel msr parport_pc 
ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 snd 
nvme hid_multitouch soundcore hid_generic nvme_core r8169 xhci_pci ucsi_acpi 
video crc32_pclmul thunderbolt psmouse typec_ucsi ledtrig_audio 
xhci_pci_renesas nvme_auth realtek i2c_hid_acpi typec platform_profile i2c_hid 
wmi hid
  Dec 11 20:07:56 Wills-ThinkPad kernel: CPU: 5 PID: 523 Comm: kworker/u24:13 
Tainted: G        W          6.8.0-1018-oem #18-Ubuntu
  Dec 11 20:07:56 Wills-ThinkPad kernel: Hardware name: LENOVO 
21L7CTO1WW/21L7CTO1WW, BIOS R2IET29W (1.29 ) 11/01/2024
  Dec 11 20:07:56 Wills-ThinkPad kernel: Workqueue: events_unbound 
cfg80211_wiphy_work [cfg80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel: RIP: 
0010:ath11k_mac_vdev_stop+0x115/0x170 [ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel: Code: 41 5c 41 5d 5d 31 d2 31 c9 31 f6 
31 ff e9 ae 53 09 df 66 90 5b 44 89 e0 41 5c 41 5d 5d 31 d2 31 c9 31 f6 31 ff 
e9 96 53 09 df <0f> 0b e9 60 ff ff ff 41 bc 94 ff ff ff 41 8b 55 00 44 89 e1 48 
c7
  Dec 11 20:07:56 Wills-ThinkPad kernel: RSP: 0018:ffffb368c1c4fb68 EFLAGS: 
00010246
  Dec 11 20:07:56 Wills-ThinkPad kernel: RAX: 0000000000000000 RBX: 
ffff899aa73c1fe0 RCX: 0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: RDX: 0000000000000000 RSI: 
0000000000000000 RDI: 0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: RBP: ffffb368c1c4fb80 R08: 
0000000000000000 R09: 0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: R10: 0000000000000000 R11: 
0000000000000000 R12: 0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: R13: ffff899aac7ae088 R14: 
0000000000000001 R15: ffff899aa73c50b8
  Dec 11 20:07:56 Wills-ThinkPad kernel: FS:  0000000000000000(0000) 
GS:ffff89a19ee80000(0000) knlGS:0000000000000000
  Dec 11 20:07:56 Wills-ThinkPad kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
  Dec 11 20:07:56 Wills-ThinkPad kernel: CR2: 0000742a6109f000 CR3: 
000000038fc3c000 CR4: 0000000000f50ef0
  Dec 11 20:07:56 Wills-ThinkPad kernel: PKRU: 55555554
  Dec 11 20:07:56 Wills-ThinkPad kernel: Call Trace:
  Dec 11 20:07:56 Wills-ThinkPad kernel:  <TASK>
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? show_regs+0x6d/0x80
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __warn+0x89/0x160
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? ath11k_mac_vdev_stop+0x115/0x170 
[ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? report_bug+0x17e/0x1b0
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? handle_bug+0x51/0xa0
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? exc_invalid_op+0x18/0x80
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? asm_exc_invalid_op+0x1b/0x20
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? ath11k_mac_vdev_stop+0x115/0x170 
[ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? ath11k_mac_vdev_stop+0x55/0x170 
[ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
ath11k_mac_op_unassign_vif_chanctx+0x8f/0x2f0 [ath11k]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? krc_this_cpu_lock+0x35/0x50
  Dec 11 20:07:56 Wills-ThinkPad kernel:  drv_unassign_vif_chanctx+0x126/0x1f0 
[mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
ieee80211_assign_link_chanctx+0x59/0x200 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
__ieee80211_link_release_channel+0x5e/0x140 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
ieee80211_link_release_channel+0x21/0x40 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  
ieee80211_destroy_assoc_data+0x161/0x1e0 [mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? _printk+0x60/0x90
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ieee80211_sta_work+0x3f9/0x710 
[mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? kick_pool+0x7e/0x110
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ieee80211_iface_work+0x16a/0x1a0 
[mac80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  cfg80211_wiphy_work+0xbf/0xe0 
[cfg80211]
  Dec 11 20:07:56 Wills-ThinkPad kernel:  process_one_work+0x178/0x350
  Dec 11 20:07:56 Wills-ThinkPad kernel:  worker_thread+0x306/0x440
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? _raw_spin_lock_irqsave+0xe/0x20
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __pfx_worker_thread+0x10/0x10
  Dec 11 20:07:56 Wills-ThinkPad kernel:  kthread+0xf2/0x120
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __pfx_kthread+0x10/0x10
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ret_from_fork+0x47/0x70
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ? __pfx_kthread+0x10/0x10
  Dec 11 20:07:56 Wills-ThinkPad kernel:  ret_from_fork_asm+0x1b/0x30
  Dec 11 20:07:56 Wills-ThinkPad kernel:  </TASK>
  Dec 11 20:07:56 Wills-ThinkPad kernel: ---[ end trace 0000000000000000 ]---
  Dec 11 20:07:56 Wills-ThinkPad kernel: ath11k_pci 0000:01:00.0: failed to 
find peer vdev_id 0 addr e4:5f:01:f5:2c:19 in delete
  Dec 11 20:07:56 Wills-ThinkPad kernel: ath11k_pci 0000:01:00.0: failed to 
delete peer e4:5f:01:f5:2c:19 for vdev 0: -22
  Dec 11 20:07:56 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947676.3433] device (wlp1s0): supplicant interface state: associating -> 
disconnected
  Dec 11 20:07:56 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947676.4472] device (wlp1s0): supplicant interface state: disconnected -> 
scanning
  Dec 11 20:08:00 Wills-ThinkPad wpa_supplicant[1638]: wlp1s0: SME: Trying to 
authenticate with e4:5f:01:f5:2c:19 (SSID='RoboCon2025-Team21' freq=2437 MHz)
  Dec 11 20:08:00 Wills-ThinkPad kernel: wlp1s0: 80 MHz not supported, 
disabling VHT
  Dec 11 20:08:00 Wills-ThinkPad kernel: wlp1s0: authenticate with 
e4:5f:01:f5:2c:19 (local address=8c:3b:4a:a9:45:2b)
  Dec 11 20:08:00 Wills-ThinkPad kernel: wlp1s0: send auth to e4:5f:01:f5:2c:19 
(try 1/3)
  Dec 11 20:08:00 Wills-ThinkPad NetworkManager[1623]: <info>  
[1733947680.1670] device (wlp1s0): supplicant interface state: scanning -> 
authenticating
  Dec 11 20:08:00 Wills-ThinkPad wpa_supplicant[1638]: wlp1s0: Trying to 
associate with e4:5f:01:f5:2c:19 (SSID='RoboCon2025-Team21' freq=2437 MHz)
  Dec 11 20:08:00 Wills-ThinkPad kernel: wlp1s0: authenticated
  Dec 11 20:08:00 Wills-ThinkPad kernel: ath11k_pci 0000:01:00.0 wlp1s0: 
disabling HT/VHT/HE as WMM/QoS is not supported by the AP
  Dec 11 20:08:00 Wills-ThinkPad kernel: wlp1s0: 80 MHz not supported, 
disabling VHT
  Dec 11 20:08:00 Wills-ThinkPad kernel: ------------[ cut here ]------------
  Dec 11 20:08:00 Wills-ThinkPad kernel: WARNING: CPU: 2 PID: 1638 at 
drivers/net/wireless/ath/ath11k/mac.c:7328 ath11k_mac_vdev_stop+0x115/0x170 
[ath11k]
  [repeats]

  
  This behaviour happens 100% of the time for this access point

  If I point network manager at my home WiFi after the bug is triggered
  it connects automatically without any interventions

  
  Additional notes:
  Problem happens with default kernel and oem kernel 

  Tried default and OEM kernels

  Attemped upgrade of linux-firmware suggested in

  https://discourse.ubuntu.com/t/kernel-crash-lenovo-
  qcnfa765-ath11k-pci-when-attching-to-certain-networks/50565/17

  Was
  ath11k_pci 0000:01:00.0: fw_version 0x1106196e fw_build_timestamp 2024-01-12 
11:30 fw_build_id WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.37
  Now
  ath11k_pci 0000:01:00.0: fw_version 0x11088c35 fw_build_timestamp 2024-04-17 
08:34 fw_build_id WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: linux-image-6.8.0-1018-oem 6.8.0-1018.18
  ProcVersionSignature: Ubuntu 6.8.0-1018.18-oem 6.8.12
  Uname: Linux 6.8.0-1018-oem x86_64
  ApportVersion: 2.28.1-0ubuntu3.1
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Dec 11 20:09:42 2024
  InstallationDate: Installed on 2024-11-21 (20 days ago)
  InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64 
(20240220)
  SourcePackage: linux-signed-oem-6.8
  UpgradeStatus: Upgraded to noble on 2024-11-21 (20 days ago)
  mtime.conffile..etc.init.d.apport: 2024-07-22T15:59:07

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