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Thanks a lot for the quick testing. This was an existing BIOS issue that was exposed by it getting loaded on more systems. I CC'ed you on the formal submission as well. Would you please reply to that with a Tested-by tag? [1] https://www.kernel.org/doc/html/latest/process/submitting-patches.html#using-reported-by-tested-by-reviewed-by-suggested-by-and-fixes [1] Be sure to reply in plain text format, I think at least some of your emails have been HTML. > > Le 28/01/2026 à 19:58, Mario Limonciello a écrit : >> On 1/28/26 12:51 PM, Alain Cousinie wrote: >>> In-Reply-To: <20260115203725.828434-1-mario.limonciello@amd.com> >>> >>> Hi, >>> >>> (Excuse me, I'm not very familiar with the lore.kernel.org forum.) >>> >>> The hp-bioscfg patch on 6.19-rc7 is causing my kernel to crash on my >>> HP Spectre 14-eu0xxx with Debian unstable. >>> >>> See the dmesg output below. >>> >>> I'm available for any help or questions... >> >> Hi, >> >> Can you have a try with this? >> >> diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/ >> platform/x86/hp/hp-bioscfg/bioscfg.c >> index dbe096eefa758..51e8977d3eb4a 100644 >> --- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c >> +++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c >> @@ -696,6 +696,11 @@ static int hp_init_bios_package_attribute(enum >> hp_wmi_data_type attr_type, >>                 return ret; >>         } >> >> +       if (!str_value || !str_value[0]) { >> +               pr_debug("Ignoring attribute with empty name\n"); >> +               goto pack_attr_exit; >> +       } >> + >>         /* All duplicate attributes found are ignored */ >>         duplicate = kset_find_obj(temp_kset, str_value); >>         if (duplicate) { >>> >>> [    5.489782] ------------[ cut here ]------------ >>> [    5.489785] kobject: (00000000e74f4f8b): attempted to be >>> registered with empty name! >>> [    5.489787] WARNING: lib/kobject.c:219 at >>> kobject_add_internal+0x420/0x470, CPU#5: (udev-worker)/568 >>> [    5.489792] Modules linked in: soundwire_generic_allocation >>> snd_sof_intel_hda_sdw_bpt snd_sof_intel_hda_common snd_soc_hdac_hda >>> snd_sof_intel_hda_mlink snd_sof_intel_hda snd_hda_codec_hdmi >>> soundwire_cadence snd_sof_pci snd_sof_xtensa_dsp snd_soc_sdw_utils >>> snd_sof intel_uncore_frequency intel_uncore_frequency_common >>> snd_sof_utils iwlmld(+) x86_pkg_temp_thermal snd_hda_ext_core >>> intel_powerclamp snd_hda_codec coretemp kvm_intel snd_hda_core >>> snd_hda_scodec_cs35l41_spi regmap_spi mac80211 hp_bioscfg(+) >>> intel_ipu6_isys snd_intel_dspcfg snd_intel_sdw_acpi >>> snd_soc_acpi_intel_match videobuf2_dma_sg libarc4 kvm >>> videobuf2_memops snd_soc_acpi_intel_sdca_quirks videobuf2_v4l2 >>> snd_soc_acpi mei_gsc_proxy snd_hwdep videobuf2_common crc8 >>> soundwire_bus intel_rapl_msr snd_soc_sdca btusb snd_soc_core btmtk >>> btrtl firmware_attributes_class snd_hda_scodec_cs35l41_i2c btbcm >>> hid_sensor_gyro_3d snd_compress iwlwifi hid_sensor_accel_3d >>> hid_sensor_magn_3d hid_sensor_rotation irqbypass >>> snd_hda_scodec_cs35l41 btintel ghash_clmulni_intel ac97_bus >>> [    5.489812]  spi_nor aesni_intel hid_sensor_trigger >>> snd_pcm_dmaengine processor_thermal_device_pci snd_soc_cs_amp_lib >>> hid_sensor_iio_common processor_thermal_device bluetooth snd_pcm mtd >>> hp_wmi wmi_bmof pcspkr gf128mul industrialio_triggered_buffer >>> snd_soc_cs35l41_lib kfifo_buf processor_thermal_wt_hint mei_me cs_dsp >>> cfg80211 snd_timer platform_temperature_control industrialio snd >>> processor_thermal_soc_slider mei soundcore platform_profile >>> processor_thermal_rfim processor_thermal_rapl intel_vpu >>> intel_rapl_common rfkill intel_ipu6 ov08x40 processor_thermal_wt_req >>> processor_thermal_power_floor v4l2_fwnode drm_shmem_helper igen6_edac >>> ipu_bridge processor_thermal_mbox intel_skl_int3472_tps68470 >>> v4l2_async tps68470_regulator serial_multi_instantiate clk_tps68470 >>> videodev mc joydev intel_pmc_core intel_skl_int3472_discrete >>> int3403_thermal pmt_telemetry int340x_thermal_zone pmt_discovery >>> acpi_tad intel_skl_int3472_common pmt_class button intel_hid >>> intel_pmc_ssram_telemetry soc_button_array acpi_pad sparse_keymap ac >>> evdev >>> [    5.489834]  parport_pc ppdev lp parport i2c_dev msr nvme_fabrics >>> efi_pstore nfnetlink efivarfs autofs4 uhci_hcd ehci_pci ehci_hcd xe >>> drm_ttm_helper drm_suballoc_helper gpu_sched drm_gpuvm drm_exec >>> configfs drm_gpusvm_helper usbhid hid_sensor_custom hid_sensor_hub >>> i915 hid_multitouch i2c_algo_bit drm_buddy ttm drm_display_helper cec >>> nvme intel_ishtp_hid xhci_pci hid_generic rc_core ucsi_acpi >>> i2c_hid_acpi nvme_core xhci_hcd i2c_hid typec_ucsi drm_client_lib >>> psmouse hid drm_kms_helper typec iTCO_wdt intel_pmc_bxt >>> iTCO_vendor_support nvme_keyring watchdog nvme_auth roles drm usbcore >>> video thunderbolt serio_raw hkdf int3400_thermal intel_lpss_pci >>> i2c_i801 intel_ish_ipc intel_lpss wmi battery fan acpi_thermal_rel >>> intel_ishtp i2c_smbus intel_vsec idma64 usb_common >>> [    5.489859] CPU: 5 UID: 0 PID: 568 Comm: (udev-worker) Not tainted >>> 6.19.0-rc7-meteor #39 PREEMPT(full) >>> [    5.489861] Hardware name: HP HP Spectre x360 2-in-1 Laptop 14- >>> eu0xxx/8C15, BIOS F.16 12/16/2025 >>> [    5.489862] RIP: 0010:kobject_add_internal+0x423/0x470 >>> [    5.489864] Code: 63 20 e9 a4 fc ff ff 48 8d 3d 79 42 a1 00 49 8b >>> 74 24 18 48 89 ea 67 48 0f b9 3a e9 24 ff ff ff 48 8d 3d 70 42 a1 00 >>> 48 89 de <67> 48 0f b9 3a 41 bc ea ff ff ff e9 d1 fd ff ff be 01 00 >>> 00 00 e8 >>> [    5.489865] RSP: 0018:ffffd044424cfa98 EFLAGS: 00010246 >>> [    5.489866] RAX: ffff895f026956b0 RBX: ffff895f27c5b840 RCX: >>> ffff895f026956b0 >>> [    5.489867] RDX: 0000000000000000 RSI: ffff895f27c5b840 RDI: >>> ffffffffb38736a0 >>> [    5.489867] RBP: ffffd044424cfb38 R08: ffff895f026956b0 R09: >>> ffff895f026956b0 >>> [    5.489868] R10: 0000000000000000 R11: 00000000ffffffff R12: >>> ffff895f026956b0 >>> [    5.489869] R13: 0000000000000000 R14: 00000000fffffff4 R15: >>> ffff895f3b6e28a0 >>> [    5.489869] FS:  00007f7bda352c80(0000) GS:ffff8966ac092000(0000) >>> knlGS:0000000000000000 >>> [    5.489870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>> [    5.489871] CR2: 000055ac09f17000 CR3: 00000001684a3001 CR4: >>> 0000000000f72ef0 >>> [    5.489872] PKRU: 55555554 >>> [    5.489872] Call Trace: >>> [    5.489874]  >>> [    5.489875]  kobject_init_and_add+0x136/0x160 >>> [    5.489878]  hp_init_bios_attributes+0x265/0x38c [hp_bioscfg] >>> [    5.489883]  ? __pfx_hp_init+0x10/0x10 [hp_bioscfg] >>> [    5.489886]  hp_init+0x183/0xff0 [hp_bioscfg] >>> [    5.489888]  do_one_initcall+0x8d/0x330 >>> [    5.489892]  do_init_module+0x62/0x230 >>> [    5.489895]  init_module_from_file+0xd7/0x140 >>> [    5.489897]  idempotent_init_module+0x148/0x340 >>> [    5.489899]  __x64_sys_finit_module+0x71/0xe0 >>> [    5.489901]  ? syscall_trace_enter+0x91/0x1e0 >>> [    5.489902]  do_syscall_64+0x7c/0xd70 >>> [    5.489904]  ? __do_sys_newfstatat+0xe0/0x170 >>> [    5.489907]  ? do_syscall_64+0x7c/0xd70 >>> [    5.489908]  ? exc_page_fault+0x77/0x170 >>> [    5.489910]  entry_SYSCALL_64_after_hwframe+0x76/0x7e >>> [    5.489912] RIP: 0033:0x7f7bd9d1bc69 >>> [    5.489914] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 >>> 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 >>> 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 77 51 0d 00 f7 d8 64 >>> 89 01 48 >>> [    5.489914] RSP: 002b:00007ffe11a56348 EFLAGS: 00000246 ORIG_RAX: >>> 0000000000000139 >>> [    5.489915] RAX: ffffffffffffffda RBX: 000055ee99a48110 RCX: >>> 00007f7bd9d1bc69 >>> [    5.489916] RDX: 0000000000000004 RSI: 00007f7bda30e44d RDI: >>> 0000000000000067 >>> [    5.489917] RBP: 0000000000000004 R08: 0000000000000000 R09: >>> 000055ee99899e80 >>> [    5.489917] R10: 0000000000000000 R11: 0000000000000246 R12: >>> 0000000000020000 >>> [    5.489919] R13: 00007f7bda30e44d R14: 000055ee99a42060 R15: >>> 0000000000000000 >>> [    5.489920]  >>> [    5.489921] ---[ end trace 0000000000000000 ]--- >>> >>