Public bug reported: [Impact] Boot up process may stuck with the ucsi cod trace
<4>[ 15.117180] workqueue: cannot queue ucsi_poll_worker [typec_ucsi] on wq USBC000:00-con1 <4>[ 15.117196] WARNING: CPU: 14 PID: 0 at kernel/workqueue.c:2257 __queue_work+0x2f3/0x410 <4>[ 15.117205] Modules linked in: qrtr_mhi snd_seq_dummy snd_hrtimer rfcomm snd_soc_cs42l43 spi_cs42l43 snd_soc_cs42l43_sdw pinctrl_cs42l43 snd_soc_sof_sdw snd_soc_intel_hda_dsp_common snd_soc_sdw_utils snd_sof_probes xe snd_soc_cs35l56_sdw snd_soc_cs35l56 snd_soc_wm_adsp gpu_sched snd_soc_cs35l56_shared cs42l43_sdw snd_soc_cs_amp_lib regmap_sdw drm_gpuvm cs_dsp cs42l43 drm_ttm_helper drm_exec drm_suballoc_helper snd_soc_dmic snd_sof_pci_intel_mtl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi qrtr snd_sof_pci snd_sof_xtensa_dsp snd_sof intel_uncore_frequency intel_uncore_frequency_common snd_sof_utils snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation x86_pkg_temp_thermal snd_soc_acpi intel_powerclamp soundwire_bus cmac snd_soc_sdca coretemp algif_hash snd_soc_core algif_skcipher snd_compress ac97_bus af_alg snd_pcm _dmaengine bnep snd_hda_intel <4>[ 15.117256] snd_intel_dspcfg dell_pc kvm_intel platform_profile snd_ctl_led snd_intel_sdw_acpi iwlmvm snd_hda_codec i915 kvm snd_hda_core mac80211 snd_hwdep snd_pcm irqbypass polyval_clmulni libarc4 snd_seq_midi polyval_generic snd_seq_midi_event ghash_clmulni_intel uvcvideo sha256_ssse3 snd_rawmidi dell_laptop sha1_ssse3 videobuf2_vmalloc aesni_intel uvc videobuf2_memops snd_seq btusb binfmt_misc videobuf2_v4l2 cmdlinepart crypto_simd drm_buddy dell_wmi videobuf2_common btrtl cryptd dell_smbios snd_seq_device spi_nor ttm btintel mtd mei_gsc_proxy intel_rapl_msr iwlwifi btbcm processor_thermal_device_pci videodev drm_display_helper snd_timer i2c_i801 btmtk processor_thermal_device dcdbas rapl nls_iso8859_1 dell_wmi_sysman intel_cstate processor_thermal_wt_hint snd cec i2c_smbus spi_intel_pci bluetooth cfg80211 mc dell_wmi_ddv dell_smm_hwmon qaic firmware_attributes_class processor_thermal_rfim dell_wmi_descriptor wmi_bmof soundcore spi_intel i2c_mux processor_thermal_rapl mei_ me mhi intel_rapl_common intel_vpu <4>[ 15.117319] rc_core mei processor_thermal_wt_req processor_thermal_power_floor i2c_algo_bit processor_thermal_mbox int3403_thermal intel_pmc_core dptf_pch_fivr int340x_thermal_zone pmt_telemetry pmt_class int3400_thermal intel_hid acpi_pad acpi_thermal_rel sparse_keymap acpi_tad intel_vsec input_leds joydev mac_hid serio_raw sch_fq_codel msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_sensor_custom hid_sensor_hub intel_ishtp_hid hid_multitouch hid_generic nvme rtsx_pci_sdmmc i2c_hid_acpi ucsi_acpi video intel_lpss_pci psmouse i2c_hid typec_ucsi nvme_core intel_ish_ipc intel_lpss igc thunderbolt rtsx_pci intel_ishtp idma64 hid typec nvme_auth wmi pinctrl_meteorlake pinctrl_meteorpoint <4>[ 15.117366] CPU: 14 UID: 0 PID: 0 Comm: swapper/14 Not tainted 6.14.0-8011-oem #11+staging.12-Ubuntu <4>[ 15.117370] Hardware name: Dell Inc. Dell Pro Max 16 Plus MB16250/, BIOS 89.71.16 07/29/2025 <4>[ 15.117372] RIP: 0010:__queue_work+0x2f3/0x410 <4>[ 15.117376] Code: 00 00 41 83 e4 01 0f 85 49 fe ff ff 49 8b 77 18 48 8d 93 c0 00 00 00 48 c7 c7 60 22 9f 95 c6 05 06 21 66 02 01 e8 7d 19 fd ff <0f> 0b e9 24 fe ff ff 0f 0b e9 10 fe ff ff 65 8b 05 04 14 e8 6b 48 <4>[ 15.117378] RSP: 0018:ffffcc2c805d8c98 EFLAGS: 00010046 <4>[ 15.117381] RAX: 0000000000000000 RBX: ffff8aa282eac200 RCX: 0000000000000000 <4>[ 15.117383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 15.117384] RBP: ffffcc2c805d8cd0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 15.117386] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 15.117387] R13: ffffffff941b5420 R14: ffff8aa283b33220 R15: ffff8aa283b33200 <4>[ 15.117388] FS: 0000000000000000(0000) GS:ffff8ac19ff00000(0000) knlGS:0000000000000000 <4>[ 15.117390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 15.117392] CR2: 000078c0c11c5000 CR3: 000000010203f002 CR4: 0000000000f72ef0 <4>[ 15.117394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 <4>[ 15.117395] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400 <4>[ 15.117396] PKRU: 55555554 <4>[ 15.117397] Call Trace: <4>[ 15.117400] <IRQ> <4>[ 15.117403] ? __pfx_delayed_work_timer_fn+0x10/0x10 <4>[ 15.117408] delayed_work_timer_fn+0x19/0x30 <4>[ 15.117411] call_timer_fn+0x2c/0x150 <4>[ 15.117414] ? __pfx_delayed_work_timer_fn+0x10/0x10 <4>[ 15.117417] __run_timers+0x1c8/0x2d0 <4>[ 15.117420] timer_expire_remote+0x52/0x80 <4>[ 15.117422] tmigr_handle_remote_cpu+0x11e/0x280 <4>[ 15.117427] tmigr_handle_remote_up+0xf1/0x140 <4>[ 15.117430] tmigr_handle_remote+0xd9/0x140 <4>[ 15.117433] run_timer_softirq+0xeb/0x100 <4>[ 15.117435] handle_softirqs+0xe4/0x340 <4>[ 15.117440] __irq_exit_rcu+0x10e/0x130 <4>[ 15.117444] irq_exit_rcu+0xe/0x20 <4>[ 15.117446] sysvec_apic_timer_interrupt+0xa0/0xc0 <4>[ 15.117450] </IRQ> <4>[ 15.117451] <TASK> <4>[ 15.117452] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [Fix] We submit a patch to fix this issue https://lkml.org/lkml/2025/10/2/100 v2 - https://lkml.org/lkml/2025/10/13/312 [Test] Reboot the machine with AC plug on the TBT5 port, it should always boots up correctly without call trace. [Where problems could occur] It should handle the destruction process correctly, and is not likely to introduce regressions. ** Affects: linux (Ubuntu) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.14 (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.17 (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Noble) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.17 (Ubuntu Noble) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux (Ubuntu Plucky) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.14 (Ubuntu Plucky) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.17 (Ubuntu Plucky) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Questing) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.14 (Ubuntu Questing) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.17 (Ubuntu Questing) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Resolute) Importance: Undecided Assignee: AceLan Kao (acelankao) Status: In Progress ** Affects: linux-oem-6.14 (Ubuntu Resolute) Importance: Undecided Status: Invalid ** Affects: linux-oem-6.17 (Ubuntu Resolute) Importance: Undecided Status: Invalid ** Also affects: linux-oem-6.14 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux-oem-6.17 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-oem-6.17 (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Plucky) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu Plucky) Importance: Undecided Status: New ** Also affects: linux-oem-6.17 (Ubuntu Plucky) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Questing) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu Questing) Importance: Undecided Status: New ** Also affects: linux-oem-6.17 (Ubuntu Questing) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Resolute) Importance: Undecided Status: New ** Also affects: linux-oem-6.14 (Ubuntu Resolute) Importance: Undecided Status: New ** Also affects: linux-oem-6.17 (Ubuntu Resolute) Importance: Undecided Status: New ** Changed in: linux-oem-6.14 (Ubuntu Resolute) Status: New => Invalid ** Changed in: linux (Ubuntu Noble) Status: New => In Progress ** Changed in: linux (Ubuntu Noble) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux (Ubuntu Plucky) Status: New => In Progress ** Changed in: linux (Ubuntu Plucky) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux (Ubuntu Questing) Status: New => In Progress ** Changed in: linux (Ubuntu Questing) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux (Ubuntu Resolute) Status: New => In Progress ** Changed in: linux (Ubuntu Resolute) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux-oem-6.14 (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.14 (Ubuntu Noble) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux-oem-6.14 (Ubuntu Plucky) Status: New => Invalid ** Description changed: [Impact] Boot up process may stuck with the ucsi cod trace <4>[ 15.117180] workqueue: cannot queue ucsi_poll_worker [typec_ucsi] on wq USBC000:00-con1 <4>[ 15.117196] WARNING: CPU: 14 PID: 0 at kernel/workqueue.c:2257 __queue_work+0x2f3/0x410 <4>[ 15.117205] Modules linked in: qrtr_mhi snd_seq_dummy snd_hrtimer rfcomm snd_soc_cs42l43 spi_cs42l43 snd_soc_cs42l43_sdw pinctrl_cs42l43 snd_soc_sof_sdw snd_soc_intel_hda_dsp_common snd_soc_sdw_utils snd_sof_probes xe snd_soc_cs35l56_sdw snd_soc_cs35l56 snd_soc_wm_adsp gpu_sched snd_soc_cs35l56_shared cs42l43_sdw snd_soc_cs_amp_lib regmap_sdw drm_gpuvm cs_dsp cs42l43 drm_ttm_helper drm_exec drm_suballoc_helper snd_soc_dmic snd_sof_pci_intel_mtl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi qrtr snd_sof_pci snd_sof_xtensa_dsp snd_sof intel_uncore_frequency intel_uncore_frequency_common snd_sof_utils snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation x86_pkg_temp_thermal snd_soc_acpi intel_powerclamp soundwire_bus cmac snd_soc_sdca coretemp algif_hash snd_soc_core algif_skcipher snd_compress ac97_bus af_alg snd_p cm_dmaengine bnep snd_hda_intel <4>[ 15.117256] snd_intel_dspcfg dell_pc kvm_intel platform_profile snd_ctl_led snd_intel_sdw_acpi iwlmvm snd_hda_codec i915 kvm snd_hda_core mac80211 snd_hwdep snd_pcm irqbypass polyval_clmulni libarc4 snd_seq_midi polyval_generic snd_seq_midi_event ghash_clmulni_intel uvcvideo sha256_ssse3 snd_rawmidi dell_laptop sha1_ssse3 videobuf2_vmalloc aesni_intel uvc videobuf2_memops snd_seq btusb binfmt_misc videobuf2_v4l2 cmdlinepart crypto_simd drm_buddy dell_wmi videobuf2_common btrtl cryptd dell_smbios snd_seq_device spi_nor ttm btintel mtd mei_gsc_proxy intel_rapl_msr iwlwifi btbcm processor_thermal_device_pci videodev drm_display_helper snd_timer i2c_i801 btmtk processor_thermal_device dcdbas rapl nls_iso8859_1 dell_wmi_sysman intel_cstate processor_thermal_wt_hint snd cec i2c_smbus spi_intel_pci bluetooth cfg80211 mc dell_wmi_ddv dell_smm_hwmon qaic firmware_attributes_class processor_thermal_rfim dell_wmi_descriptor wmi_bmof soundcore spi_intel i2c_mux processor_thermal_rapl me i_me mhi intel_rapl_common intel_vpu <4>[ 15.117319] rc_core mei processor_thermal_wt_req processor_thermal_power_floor i2c_algo_bit processor_thermal_mbox int3403_thermal intel_pmc_core dptf_pch_fivr int340x_thermal_zone pmt_telemetry pmt_class int3400_thermal intel_hid acpi_pad acpi_thermal_rel sparse_keymap acpi_tad intel_vsec input_leds joydev mac_hid serio_raw sch_fq_codel msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_sensor_custom hid_sensor_hub intel_ishtp_hid hid_multitouch hid_generic nvme rtsx_pci_sdmmc i2c_hid_acpi ucsi_acpi video intel_lpss_pci psmouse i2c_hid typec_ucsi nvme_core intel_ish_ipc intel_lpss igc thunderbolt rtsx_pci intel_ishtp idma64 hid typec nvme_auth wmi pinctrl_meteorlake pinctrl_meteorpoint <4>[ 15.117366] CPU: 14 UID: 0 PID: 0 Comm: swapper/14 Not tainted 6.14.0-8011-oem #11+staging.12-Ubuntu <4>[ 15.117370] Hardware name: Dell Inc. Dell Pro Max 16 Plus MB16250/, BIOS 89.71.16 07/29/2025 <4>[ 15.117372] RIP: 0010:__queue_work+0x2f3/0x410 <4>[ 15.117376] Code: 00 00 41 83 e4 01 0f 85 49 fe ff ff 49 8b 77 18 48 8d 93 c0 00 00 00 48 c7 c7 60 22 9f 95 c6 05 06 21 66 02 01 e8 7d 19 fd ff <0f> 0b e9 24 fe ff ff 0f 0b e9 10 fe ff ff 65 8b 05 04 14 e8 6b 48 <4>[ 15.117378] RSP: 0018:ffffcc2c805d8c98 EFLAGS: 00010046 <4>[ 15.117381] RAX: 0000000000000000 RBX: ffff8aa282eac200 RCX: 0000000000000000 <4>[ 15.117383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 15.117384] RBP: ffffcc2c805d8cd0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 15.117386] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 15.117387] R13: ffffffff941b5420 R14: ffff8aa283b33220 R15: ffff8aa283b33200 <4>[ 15.117388] FS: 0000000000000000(0000) GS:ffff8ac19ff00000(0000) knlGS:0000000000000000 <4>[ 15.117390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 15.117392] CR2: 000078c0c11c5000 CR3: 000000010203f002 CR4: 0000000000f72ef0 <4>[ 15.117394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 <4>[ 15.117395] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400 <4>[ 15.117396] PKRU: 55555554 <4>[ 15.117397] Call Trace: <4>[ 15.117400] <IRQ> <4>[ 15.117403] ? __pfx_delayed_work_timer_fn+0x10/0x10 <4>[ 15.117408] delayed_work_timer_fn+0x19/0x30 <4>[ 15.117411] call_timer_fn+0x2c/0x150 <4>[ 15.117414] ? __pfx_delayed_work_timer_fn+0x10/0x10 <4>[ 15.117417] __run_timers+0x1c8/0x2d0 <4>[ 15.117420] timer_expire_remote+0x52/0x80 <4>[ 15.117422] tmigr_handle_remote_cpu+0x11e/0x280 <4>[ 15.117427] tmigr_handle_remote_up+0xf1/0x140 <4>[ 15.117430] tmigr_handle_remote+0xd9/0x140 <4>[ 15.117433] run_timer_softirq+0xeb/0x100 <4>[ 15.117435] handle_softirqs+0xe4/0x340 <4>[ 15.117440] __irq_exit_rcu+0x10e/0x130 <4>[ 15.117444] irq_exit_rcu+0xe/0x20 <4>[ 15.117446] sysvec_apic_timer_interrupt+0xa0/0xc0 <4>[ 15.117450] </IRQ> <4>[ 15.117451] <TASK> <4>[ 15.117452] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [Fix] We submit a patch to fix this issue https://lkml.org/lkml/2025/10/2/100 - v2 - + v2 - https://lkml.org/lkml/2025/10/13/312 [Test] Reboot the machine with AC plug on the TBT5 port, it should always boots up correctly without call trace. [Where problems could occur] It should handle the destruction process correctly, and is not likely to introduce regressions. ** Changed in: linux-oem-6.14 (Ubuntu Questing) Status: New => Invalid ** Changed in: linux-oem-6.17 (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.17 (Ubuntu Noble) Assignee: (unassigned) => AceLan Kao (acelankao) ** Changed in: linux-oem-6.17 (Ubuntu Plucky) Status: New => Invalid ** Changed in: linux-oem-6.17 (Ubuntu Questing) Status: New => Invalid ** Changed in: linux-oem-6.17 (Ubuntu Resolute) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2127764 Title: Boot up hang with ucsi call trace while plug power cord or device on tbt5 port Status in linux package in Ubuntu: In Progress Status in linux-oem-6.14 package in Ubuntu: Invalid Status in linux-oem-6.17 package in Ubuntu: Invalid Status in linux source package in Noble: In Progress Status in linux-oem-6.14 source package in Noble: In Progress Status in linux-oem-6.17 source package in Noble: In Progress Status in linux source package in Plucky: In Progress Status in linux-oem-6.14 source package in Plucky: Invalid Status in linux-oem-6.17 source package in Plucky: Invalid Status in linux source package in Questing: In Progress Status in linux-oem-6.14 source package in Questing: Invalid Status in linux-oem-6.17 source package in Questing: Invalid Status in linux source package in Resolute: In Progress Status in linux-oem-6.14 source package in Resolute: Invalid Status in linux-oem-6.17 source package in Resolute: Invalid Bug description: [Impact] Boot up process may stuck with the ucsi cod trace <4>[ 15.117180] workqueue: cannot queue ucsi_poll_worker [typec_ucsi] on wq USBC000:00-con1 <4>[ 15.117196] WARNING: CPU: 14 PID: 0 at kernel/workqueue.c:2257 __queue_work+0x2f3/0x410 <4>[ 15.117205] Modules linked in: qrtr_mhi snd_seq_dummy snd_hrtimer rfcomm snd_soc_cs42l43 spi_cs42l43 snd_soc_cs42l43_sdw pinctrl_cs42l43 snd_soc_sof_sdw snd_soc_intel_hda_dsp_common snd_soc_sdw_utils snd_sof_probes xe snd_soc_cs35l56_sdw snd_soc_cs35l56 snd_soc_wm_adsp gpu_sched snd_soc_cs35l56_shared cs42l43_sdw snd_soc_cs_amp_lib regmap_sdw drm_gpuvm cs_dsp cs42l43 drm_ttm_helper drm_exec drm_suballoc_helper snd_soc_dmic snd_sof_pci_intel_mtl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi qrtr snd_sof_pci snd_sof_xtensa_dsp snd_sof intel_uncore_frequency intel_uncore_frequency_common snd_sof_utils snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation x86_pkg_temp_thermal snd_soc_acpi intel_powerclamp soundwire_bus cmac snd_soc_sdca coretemp algif_hash snd_soc_core algif_skcipher snd_compress ac97_bus af_alg snd_p cm_dmaengine bnep snd_hda_intel <4>[ 15.117256] snd_intel_dspcfg dell_pc kvm_intel platform_profile snd_ctl_led snd_intel_sdw_acpi iwlmvm snd_hda_codec i915 kvm snd_hda_core mac80211 snd_hwdep snd_pcm irqbypass polyval_clmulni libarc4 snd_seq_midi polyval_generic snd_seq_midi_event ghash_clmulni_intel uvcvideo sha256_ssse3 snd_rawmidi dell_laptop sha1_ssse3 videobuf2_vmalloc aesni_intel uvc videobuf2_memops snd_seq btusb binfmt_misc videobuf2_v4l2 cmdlinepart crypto_simd drm_buddy dell_wmi videobuf2_common btrtl cryptd dell_smbios snd_seq_device spi_nor ttm btintel mtd mei_gsc_proxy intel_rapl_msr iwlwifi btbcm processor_thermal_device_pci videodev drm_display_helper snd_timer i2c_i801 btmtk processor_thermal_device dcdbas rapl nls_iso8859_1 dell_wmi_sysman intel_cstate processor_thermal_wt_hint snd cec i2c_smbus spi_intel_pci bluetooth cfg80211 mc dell_wmi_ddv dell_smm_hwmon qaic firmware_attributes_class processor_thermal_rfim dell_wmi_descriptor wmi_bmof soundcore spi_intel i2c_mux processor_thermal_rapl me i_me mhi intel_rapl_common intel_vpu <4>[ 15.117319] rc_core mei processor_thermal_wt_req processor_thermal_power_floor i2c_algo_bit processor_thermal_mbox int3403_thermal intel_pmc_core dptf_pch_fivr int340x_thermal_zone pmt_telemetry pmt_class int3400_thermal intel_hid acpi_pad acpi_thermal_rel sparse_keymap acpi_tad intel_vsec input_leds joydev mac_hid serio_raw sch_fq_codel msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_sensor_custom hid_sensor_hub intel_ishtp_hid hid_multitouch hid_generic nvme rtsx_pci_sdmmc i2c_hid_acpi ucsi_acpi video intel_lpss_pci psmouse i2c_hid typec_ucsi nvme_core intel_ish_ipc intel_lpss igc thunderbolt rtsx_pci intel_ishtp idma64 hid typec nvme_auth wmi pinctrl_meteorlake pinctrl_meteorpoint <4>[ 15.117366] CPU: 14 UID: 0 PID: 0 Comm: swapper/14 Not tainted 6.14.0-8011-oem #11+staging.12-Ubuntu <4>[ 15.117370] Hardware name: Dell Inc. Dell Pro Max 16 Plus MB16250/, BIOS 89.71.16 07/29/2025 <4>[ 15.117372] RIP: 0010:__queue_work+0x2f3/0x410 <4>[ 15.117376] Code: 00 00 41 83 e4 01 0f 85 49 fe ff ff 49 8b 77 18 48 8d 93 c0 00 00 00 48 c7 c7 60 22 9f 95 c6 05 06 21 66 02 01 e8 7d 19 fd ff <0f> 0b e9 24 fe ff ff 0f 0b e9 10 fe ff ff 65 8b 05 04 14 e8 6b 48 <4>[ 15.117378] RSP: 0018:ffffcc2c805d8c98 EFLAGS: 00010046 <4>[ 15.117381] RAX: 0000000000000000 RBX: ffff8aa282eac200 RCX: 0000000000000000 <4>[ 15.117383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 15.117384] RBP: ffffcc2c805d8cd0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 15.117386] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 15.117387] R13: ffffffff941b5420 R14: ffff8aa283b33220 R15: ffff8aa283b33200 <4>[ 15.117388] FS: 0000000000000000(0000) GS:ffff8ac19ff00000(0000) knlGS:0000000000000000 <4>[ 15.117390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 15.117392] CR2: 000078c0c11c5000 CR3: 000000010203f002 CR4: 0000000000f72ef0 <4>[ 15.117394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 <4>[ 15.117395] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400 <4>[ 15.117396] PKRU: 55555554 <4>[ 15.117397] Call Trace: <4>[ 15.117400] <IRQ> <4>[ 15.117403] ? __pfx_delayed_work_timer_fn+0x10/0x10 <4>[ 15.117408] delayed_work_timer_fn+0x19/0x30 <4>[ 15.117411] call_timer_fn+0x2c/0x150 <4>[ 15.117414] ? __pfx_delayed_work_timer_fn+0x10/0x10 <4>[ 15.117417] __run_timers+0x1c8/0x2d0 <4>[ 15.117420] timer_expire_remote+0x52/0x80 <4>[ 15.117422] tmigr_handle_remote_cpu+0x11e/0x280 <4>[ 15.117427] tmigr_handle_remote_up+0xf1/0x140 <4>[ 15.117430] tmigr_handle_remote+0xd9/0x140 <4>[ 15.117433] run_timer_softirq+0xeb/0x100 <4>[ 15.117435] handle_softirqs+0xe4/0x340 <4>[ 15.117440] __irq_exit_rcu+0x10e/0x130 <4>[ 15.117444] irq_exit_rcu+0xe/0x20 <4>[ 15.117446] sysvec_apic_timer_interrupt+0xa0/0xc0 <4>[ 15.117450] </IRQ> <4>[ 15.117451] <TASK> <4>[ 15.117452] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [Fix] We submit a patch to fix this issue https://lkml.org/lkml/2025/10/2/100 v2 - https://lkml.org/lkml/2025/10/13/312 [Test] Reboot the machine with AC plug on the TBT5 port, it should always boots up correctly without call trace. [Where problems could occur] It should handle the destruction process correctly, and is not likely to introduce regressions. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2127764/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

