Sep 09 05:14:13 localhost kernel: ------------[ cut here ]------------
Sep 09 05:14:13 localhost kernel: WARNING: CPU: 12 PID: 571 at 
kernel/workqueue.c:4205 __flush_work+0xc9/0xe0
Sep 09 05:14:13 localhost kernel: Modules linked in: ccm michael_mic rfcomm 
snd_seq_dummy snd_hrtimer hid_sensor_als cmac algif_hash algif_skcipher af_alg 
bnep binfmt_misc amd_atl intel_rapl_msr qrtr_mhi nls_iso8859_1 
intel_rapl_common snd_sof_amd_acp70 edac_mce_amd snd_sof_amd_acp63 
snd_sof_amd_vangogh snd_sof_amd_rembrandt amdgpu snd_sof_amd_renoir snd_ctl_led 
snd_sof_amd_acp snd_sof_pci kvm_amd snd_hda_codec_realtek snd_sof_xtensa_dsp 
snd_sof snd_hda_codec_generic snd_hda_scodec_component snd_sof_utils 
snd_hda_codec_hdmi snd_pci_ps snd_soc_acpi_amd_match uvcvideo snd_amd_sdw_acpi 
qrtr soundwire_amd videobuf2_vmalloc snd_hda_intel uvc 
soundwire_generic_allocation videobuf2_memops kvm soundwire_bus 
snd_intel_dspcfg btusb videobuf2_v4l2 snd_intel_sdw_acpi btrtl snd_soc_sdca 
videobuf2_common hid_sensor_prox ath12k snd_hda_codec btintel irqbypass 
hid_sensor_trigger snd_soc_core videodev polyval_clmulni 
industrialio_triggered_buffer btbcm polyval_generic snd_hda_core kfifo_buf 
ghash_clm
 ulni_intel btmtk snd_hda_scodec_cs35l56_spi
Sep 09 05:14:13 localhost kernel:  hid_sensor_iio_common qmi_helpers spd5118 
industrialio mc bluetooth snd_hwdep sha256_ssse3 snd_compress amdxcp ac97_bus 
sha1_ssse3 snd_pcm_dmaengine snd_seq_midi drm_panel_backlight_quirks 
aesni_intel snd_rpl_pci_acp6x snd_seq_midi_event mac80211 drm_buddy crypto_simd 
snd_hda_scodec_cs35l56_i2c snd_acp_pci drm_ttm_helper snd_hda_scodec_cs35l56 
cryptd snd_rawmidi snd_hda_cirrus_scodec ttm snd_acp_legacy_common 
snd_soc_cs35l56_shared drm_exec snd_pci_acp6x snd_soc_cs_amp_lib hp_wmi 
drm_suballoc_helper snd_seq rapl sparse_keymap wmi_bmof cs_dsp snd_pcm 
drm_display_helper snd_seq_device cfg80211 snd_pci_acp5x mtk_t7xx cec snd_timer 
amd_pmf libarc4 snd_rn_pci_acp3x amdtee amdxdna snd_acp_config rc_core wwan 
snd_soc_acpi gpu_sched i2c_piix4 snd_pci_acp3x i2c_algo_bit snd mhi i2c_smbus 
k10temp soundcore ccp serial_multi_instantiate tee platform_profile amd_pmc 
intel_sar wireless_hotkey input_leds joydev mac_hid serio_raw sch_fq_codel msr 
parport_pc ppdev l
 p parport nvme_fabrics nvme_keyring efi_pstore nfnetlink
Sep 09 05:14:13 localhost kernel:  dmi_sysfs ip_tables x_tables autofs4 raid10 
raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq 
raid1 raid0 linear cdc_ether usbnet r8152 uas mii usb_storage nvme nvme_core 
hid_sensor_hub video hid_multitouch ucsi_acpi usbhid hid_generic typec_ucsi 
thunderbolt amd_sfh nvme_auth i2c_hid_acpi typec i2c_hid wmi hid
Sep 09 05:14:13 localhost kernel: CPU: 12 UID: 0 PID: 571 Comm: kworker/u64:9 
Not tainted 6.14.0-1012-oem #12-Ubuntu
Sep 09 05:14:13 localhost kernel: Hardware name: HP HP EliteBook 8 G1a 13 inch 
Notebook AI PC/8E14, BIOS X81 Ver. 01.02.01 05/23/2025
Sep 09 05:14:13 localhost kernel: Workqueue: events_unbound cfg80211_wiphy_work 
[cfg80211]
Sep 09 05:14:13 localhost kernel: RIP: 0010:__flush_work+0xc9/0xe0
Sep 09 05:14:13 localhost kernel: Code: 41 5d 41 5e 5d 31 d2 31 c9 31 f6 31 ff 
e9 5a 15 d5 ff f3 90 48 8d 7d b0 e8 84 3e 07 00 84 c0 74 f1 eb c4 0f 0b 45 31 
ed eb bd <0f> 0b eb f7 0f 0b eb ac e8 8a b9 12 01 66 2e 0f 1f 84 00 00 00 00
Sep 09 05:14:13 localhost kernel: RSP: 0018:ffffd30e4128bd00 EFLAGS: 00010246
Sep 09 05:14:13 localhost kernel: RAX: 0000000000000000 RBX: ffff8f131a3ae5e8 
RCX: 0000000000000000
Sep 09 05:14:13 localhost kernel: RDX: 0000000000000000 RSI: 0000000000000001 
RDI: ffffd30e4128bd48
Sep 09 05:14:13 localhost kernel: RBP: ffffd30e4128bd70 R08: 0000000000000000 
R09: 0000000000000000
Sep 09 05:14:13 localhost kernel: R10: 0000000000000000 R11: 0000000000000000 
R12: 0000000000000001
Sep 09 05:14:13 localhost kernel: R13: ffffd30e4128bd00 R14: 0000000000000001 
R15: 0000000000000000
Sep 09 05:14:13 localhost kernel: FS:  0000000000000000(0000) 
GS:ffff8f21c0200000(0000) knlGS:0000000000000000
Sep 09 05:14:13 localhost kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Sep 09 05:14:13 localhost kernel: CR2: 000076265f292018 CR3: 00000006ca040000 
CR4: 0000000000f50ef0
Sep 09 05:14:13 localhost kernel: PKRU: 55555554
Sep 09 05:14:13 localhost kernel: Call Trace:
Sep 09 05:14:13 localhost kernel:  <TASK>
Sep 09 05:14:13 localhost kernel:  cancel_delayed_work_sync+0x76/0x80
Sep 09 05:14:13 localhost kernel:  
ath12k_mac_remove_link_interface.isra.0+0x2b/0x90 [ath12k]
Sep 09 05:14:13 localhost kernel:  ath12k_scan_vdev_clean_work+0xbc/0x110 
[ath12k]
Sep 09 05:14:13 localhost kernel:  cfg80211_wiphy_work+0x105/0x160 [cfg80211]
Sep 09 05:14:13 localhost kernel:  process_one_work+0x178/0x3d0
Sep 09 05:14:13 localhost kernel:  worker_thread+0x2de/0x410
Sep 09 05:14:13 localhost kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
Sep 09 05:14:13 localhost kernel:  ? _raw_spin_lock_irqsave+0xe/0x20
Sep 09 05:14:13 localhost kernel:  ? __pfx_worker_thread+0x10/0x10
Sep 09 05:14:13 localhost kernel:  kthread+0xfb/0x230
Sep 09 05:14:13 localhost kernel:  ? __pfx_kthread+0x10/0x10
Sep 09 05:14:13 localhost kernel:  ret_from_fork+0x44/0x70
Sep 09 05:14:13 localhost kernel:  ? __pfx_kthread+0x10/0x10
Sep 09 05:14:13 localhost kernel:  ret_from_fork_asm+0x1a/0x30
Sep 09 05:14:13 localhost kernel:  </TASK>
Sep 09 05:14:13 localhost kernel: ---[ end trace 0000000000000000 ]---
Sep 09 05:14:13 localhost kernel: BUG: kernel NULL pointer dereference, 
address: 0000000000000000
Sep 09 05:14:13 localhost kernel: #PF: supervisor read access in kernel mode
Sep 09 05:14:13 localhost kernel: #PF: error_code(0x0000) - not-present page
Sep 09 05:14:13 localhost kernel: PGD 0 P4D 0 
Sep 09 05:14:13 localhost kernel: Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
Sep 09 05:14:13 localhost kernel: CPU: 12 UID: 0 PID: 571 Comm: kworker/u64:9 
Tainted: G        W          6.14.0-1012-oem #12-Ubuntu
Sep 09 05:14:13 localhost kernel: Tainted: [W]=WARN
Sep 09 05:14:13 localhost kernel: Hardware name: HP HP EliteBook 8 G1a 13 inch 
Notebook AI PC/8E14, BIOS X81 Ver. 01.02.01 05/23/2025
Sep 09 05:14:13 localhost kernel: Workqueue: events_unbound cfg80211_wiphy_work 
[cfg80211]
Sep 09 05:14:13 localhost kernel: RIP: 
0010:ath12k_mac_remove_link_interface.isra.0+0x2b/0x90 [ath12k]
Sep 09 05:14:13 localhost kernel: Code: 1f 44 00 00 55 48 89 e5 41 55 41 54 53 
4c 8b a7 b8 02 00 00 48 89 fb 48 81 c7 d8 01 00 00 4c 8b af 40 fe ff ff e8 35 
3f db c5 <41> 83 3c 24 01 74 23 48 89 de 4c 89 ef e8 83 fc ff ff 5b 41 5c 41
Sep 09 05:14:13 localhost kernel: RSP: 0018:ffffd30e4128bda8 EFLAGS: 00010246
Sep 09 05:14:13 localhost kernel: RAX: 0000000000000000 RBX: ffff8f131a3ae410 
RCX: 0000000000000000
Sep 09 05:14:13 localhost kernel: RDX: 0000000000000000 RSI: 0000000000000000 
RDI: 0000000000000000
Sep 09 05:14:13 localhost kernel: RBP: ffffd30e4128bdc0 R08: 0000000000000000 
R09: 0000000000000000
Sep 09 05:14:13 localhost kernel: R10: 0000000000000000 R11: 0000000000000000 
R12: 0000000000000000
Sep 09 05:14:13 localhost kernel: R13: 0000000000000000 R14: ffff8f133c4903a8 
R15: 0000000000000000
Sep 09 05:14:13 localhost kernel: FS:  0000000000000000(0000) 
GS:ffff8f21c0200000(0000) knlGS:0000000000000000
Sep 09 05:14:13 localhost kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Sep 09 05:14:13 localhost kernel: CR2: 0000000000000000 CR3: 00000006ca040000 
CR4: 0000000000f50ef0
Sep 09 05:14:13 localhost kernel: PKRU: 55555554
Sep 09 05:14:13 localhost kernel: Call Trace:
Sep 09 05:14:13 localhost kernel:  <TASK>
Sep 09 05:14:13 localhost kernel:  ath12k_scan_vdev_clean_work+0xbc/0x110 
[ath12k]
Sep 09 05:14:13 localhost kernel:  cfg80211_wiphy_work+0x105/0x160 [cfg80211]
Sep 09 05:14:13 localhost kernel:  process_one_work+0x178/0x3d0
Sep 09 05:14:13 localhost kernel:  worker_thread+0x2de/0x410
Sep 09 05:14:13 localhost kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
Sep 09 05:14:13 localhost kernel:  ? _raw_spin_lock_irqsave+0xe/0x20
Sep 09 05:14:13 localhost kernel:  ? __pfx_worker_thread+0x10/0x10
Sep 09 05:14:13 localhost kernel:  kthread+0xfb/0x230
Sep 09 05:14:13 localhost kernel:  ? __pfx_kthread+0x10/0x10
Sep 09 05:14:13 localhost kernel:  ret_from_fork+0x44/0x70
Sep 09 05:14:13 localhost kernel:  ? __pfx_kthread+0x10/0x10
Sep 09 05:14:13 localhost kernel:  ret_from_fork_asm+0x1a/0x30
Sep 09 05:14:13 localhost kernel:  </TASK>
Sep 09 05:14:13 localhost kernel: Modules linked in: ccm michael_mic rfcomm 
snd_seq_dummy snd_hrtimer hid_sensor_als cmac algif_hash algif_skcipher af_alg 
bnep binfmt_misc amd_atl intel_rapl_msr qrtr_mhi nls_iso8859_1 
intel_rapl_common snd_sof_amd_acp70 edac_mce_amd snd_sof_amd_acp63 
snd_sof_amd_vangogh snd_sof_amd_rembrandt amdgpu snd_sof_amd_renoir snd_ctl_led 
snd_sof_amd_acp snd_sof_pci kvm_amd snd_hda_codec_realtek snd_sof_xtensa_dsp 
snd_sof snd_hda_codec_generic snd_hda_scodec_component snd_sof_utils 
snd_hda_codec_hdmi snd_pci_ps snd_soc_acpi_amd_match uvcvideo snd_amd_sdw_acpi 
qrtr soundwire_amd videobuf2_vmalloc snd_hda_intel uvc 
soundwire_generic_allocation videobuf2_memops kvm soundwire_bus 
snd_intel_dspcfg btusb videobuf2_v4l2 snd_intel_sdw_acpi btrtl snd_soc_sdca 
videobuf2_common hid_sensor_prox ath12k snd_hda_codec btintel irqbypass 
hid_sensor_trigger snd_soc_core videodev polyval_clmulni 
industrialio_triggered_buffer btbcm polyval_generic snd_hda_core kfifo_buf 
ghash_clm
 ulni_intel btmtk snd_hda_scodec_cs35l56_spi
Sep 09 05:14:13 localhost kernel:  hid_sensor_iio_common qmi_helpers spd5118 
industrialio mc bluetooth snd_hwdep sha256_ssse3 snd_compress amdxcp ac97_bus 
sha1_ssse3 snd_pcm_dmaengine snd_seq_midi drm_panel_backlight_quirks 
aesni_intel snd_rpl_pci_acp6x snd_seq_midi_event mac80211 drm_buddy crypto_simd 
snd_hda_scodec_cs35l56_i2c snd_acp_pci drm_ttm_helper snd_hda_scodec_cs35l56 
cryptd snd_rawmidi snd_hda_cirrus_scodec ttm snd_acp_legacy_common 
snd_soc_cs35l56_shared drm_exec snd_pci_acp6x snd_soc_cs_amp_lib hp_wmi 
drm_suballoc_helper snd_seq rapl sparse_keymap wmi_bmof cs_dsp snd_pcm 
drm_display_helper snd_seq_device cfg80211 snd_pci_acp5x mtk_t7xx cec snd_timer 
amd_pmf libarc4 snd_rn_pci_acp3x amdtee amdxdna snd_acp_config rc_core wwan 
snd_soc_acpi gpu_sched i2c_piix4 snd_pci_acp3x i2c_algo_bit snd mhi i2c_smbus 
k10temp soundcore ccp serial_multi_instantiate tee platform_profile amd_pmc 
intel_sar wireless_hotkey input_leds joydev mac_hid serio_raw sch_fq_codel msr 
parport_pc ppdev l
 p parport nvme_fabrics nvme_keyring efi_pstore nfnetlink
Sep 09 05:14:13 localhost kernel:  dmi_sysfs ip_tables x_tables autofs4 raid10 
raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq 
raid1 raid0 linear cdc_ether usbnet r8152 uas mii usb_storage nvme nvme_core 
hid_sensor_hub video hid_multitouch ucsi_acpi usbhid hid_generic typec_ucsi 
thunderbolt amd_sfh nvme_auth i2c_hid_acpi typec i2c_hid wmi hid
Sep 09 05:14:13 localhost kernel: CR2: 0000000000000000
Sep 09 05:14:13 localhost kernel: ---[ end trace 0000000000000000 ]---
Sep 09 05:14:13 localhost kernel: RIP: 
0010:ath12k_mac_remove_link_interface.isra.0+0x2b/0x90 [ath12k]
Sep 09 05:14:13 localhost kernel: Code: 1f 44 00 00 55 48 89 e5 41 55 41 54 53 
4c 8b a7 b8 02 00 00 48 89 fb 48 81 c7 d8 01 00 00 4c 8b af 40 fe ff ff e8 35 
3f db c5 <41> 83 3c 24 01 74 23 48 89 de 4c 89 ef e8 83 fc ff ff 5b 41 5c 41
Sep 09 05:14:13 localhost kernel: RSP: 0018:ffffd30e4128bda8 EFLAGS: 00010246
Sep 09 05:14:13 localhost kernel: RAX: 0000000000000000 RBX: ffff8f131a3ae410 
RCX: 0000000000000000
Sep 09 05:14:13 localhost kernel: RDX: 0000000000000000 RSI: 0000000000000000 
RDI: 0000000000000000
Sep 09 05:14:13 localhost kernel: RBP: ffffd30e4128bdc0 R08: 0000000000000000 
R09: 0000000000000000
Sep 09 05:14:13 localhost kernel: R10: 0000000000000000 R11: 0000000000000000 
R12: 0000000000000000
Sep 09 05:14:13 localhost kernel: R13: 0000000000000000 R14: ffff8f133c4903a8 
R15: 0000000000000000
Sep 09 05:14:13 localhost kernel: FS:  0000000000000000(0000) 
GS:ffff8f21c0200000(0000) knlGS:0000000000000000
Sep 09 05:14:13 localhost kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
Sep 09 05:14:13 localhost kernel: CR2: 0000000000000000 CR3: 000000011ec80000 
CR4: 0000000000f50ef0
Sep 09 05:14:13 localhost kernel: PKRU: 55555554
Sep 09 05:14:13 localhost kernel: note: kworker/u64:9[571] exited with irqs 
disabled

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-6.14 in Ubuntu.
https://bugs.launchpad.net/bugs/2122397

Title:
  A few HP laptops are failing to respond during test runs after
  upgrading to the 6.14.0-1012-oem kernel.

Status in linux-oem-6.14 package in Ubuntu:
  New

Bug description:
  [Summary]
  During the kernel migration test, I found that a few HP laptops are 
unresponsive over SSH, after checking them physically, they still can move the 
mouse or launch terminal with hot-key, but failed to execute certain commands 
like sudo reboot.

  The last part of checkbox log was recorded while running Wi-Fi related
  tests, then the test timed out. Their common point is using the same
  wifi module which is Qualcomm-17cb:1107.

  [Reproduce steps]
  1. Install GM image
  2. Run dist-upgrade to upgrade to 6.14-oem kerenl
  3. Run checkbox sru test plan

  [Failure rate]
  1/1

  [Affected machines]
  https://certification.canonical.com/hardware/202503-36559/
  https://certification.canonical.com/hardware/202503-36564/
  https://certification.canonical.com/hardware/202502-36319/
  https://certification.canonical.com/hardware/202502-36324/
  https://certification.canonical.com/hardware/202503-36563/
  https://certification.canonical.com/hardware/202502-36324/
  https://certification.canonical.com/hardware/202503-36556/
  https://certification.canonical.com/hardware/202503-36560/
  https://certification.canonical.com/hardware/202503-36557/

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: linux-image-6.14.0-1012-oem 6.14.0-1012.12
  ProcVersionSignature: Ubuntu 6.14.0-1012.12-oem 6.14.11
  Uname: Linux 6.14.0-1012-oem x86_64
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     1754 F.... wireplumber
   /dev/snd/controlC0:  ubuntu     1754 F.... wireplumber
   /dev/snd/seq:        ubuntu     1750 F.... pipewire
  CasperMD5CheckMismatches: ./casper/initrd ./casper/vmlinuz 
./casper/minimal.standard.live.hotfix.manifest 
./casper/minimal.standard.live.hotfix.size ./casper/minimal.standard.live.size 
./casper/minimal.manifest ./casper/minimal.standard.manifest 
./casper/minimal.standard.size ./casper/minimal.hotfix.size 
./casper/minimal.standard.live.hotfix.squashfs 
./casper/minimal.standard.hotfix.squashfs ./casper/minimal.standard.hotfix.size 
./casper/minimal.standard.hotfix.manifest ./casper/minimal.hotfix.squashfs 
./casper/minimal.standard.live.manifest ./casper/minimal.size 
./boot/grub/grub.cfg
  CasperMD5CheckResult: fail
  Date: Tue Sep  9 07:27:04 2025
  DistributionChannelDescriptor:
   # This is the distribution channel descriptor for Ubuntu 24.04 for HP
   # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-stella-noble-oem-24.04b-proposed-20250605-516
  InstallationDate: Installed on 2025-08-27 (13 days ago)
  InstallationMedia: Ubuntu OEM 24.04.2 LTS "Noble Numbat" - Release amd64 
(20250603)
  MachineType: HP HP EliteBook 8 G1a 13 inch Notebook AI PC
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
  ProcFB: 0 amdgpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-1012-oem 
root=UUID=05eb024d-83df-4ba5-8da0-9c69b6976251 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-6.14.0-1012-oem N/A
   linux-backports-modules-6.14.0-1012-oem  N/A
   linux-firmware                           20240318.git3b128b60-0ubuntu2.17
  SourcePackage: linux-oem-6.14
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/23/2025
  dmi.bios.release: 2.1
  dmi.bios.vendor: HP
  dmi.bios.version: X81 Ver. 01.02.01
  dmi.board.name: 8E14
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 54.24.00
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.ec.firmware.release: 84.36
  dmi.modalias: 
dmi:bvnHP:bvrX81Ver.01.02.01:bd05/23/2025:br2.1:efr84.36:svnHP:pnHPEliteBook8G1a13inchNotebookAIPC:pvrSBKPF,SBKPFV2:rvnHP:rn8E14:rvrKBCVersion54.24.00:cvnHP:ct10:cvr:sku1234567#ABA:
  dmi.product.family: 103C_5336AN HP EliteBook
  dmi.product.name: HP EliteBook 8 G1a 13 inch Notebook AI PC
  dmi.product.sku: 1234567#ABA
  dmi.product.version: SBKPF,SBKPFV2
  dmi.sys.vendor: HP

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