Looks like an issue with kernel rather than a sound problem.
[ 1.670130] ------------[ cut here ]------------
[ 1.670133] pcie_3a_gdsc status stuck at 'off'
[ 1.670146] WARNING: CPU: 3 PID: 315 at drivers/clk/qcom/gdsc.c:178
gdsc_toggle_logic+0x194/0x1a8
[ 1.670155] Modules linked in: r8152(+) nvme hid_multitouch(+) nvme_core
qcom_pm8008_regulator hid_generic nvme_keyring nvme_auth apr rpmsg_ctrl
rpmsg_char qrtr_smd panel_edp qcom_pm8008 i2c_hid_of_elan i2c_hid_of i2c_hid
hid xhci_plat_hcd ucsi_glink pmic_glink_altmode leds_qcom_lpg typec_ucsi
i2c_qcom_geni qcom_pd_mapper qcom_battmgr aux_hpd_bridge rtc_pm8xxx
led_class_multicolor qcom_pbs msm qcom_pon reboot_mode pinctrl_spmi_gpio
ubwc_config ocmem dwc3 qcom_spmi_pmic drm_gpuvm regmap_spmi drm_exec gpu_sched
ulpi udc_core drm_dp_aux_bus socinfo qrtr qcom_q6v5_pas drm_display_helper
phy_qcom_qmp_combo qcom_pil_info gpio_sbu_mux aux_bridge qcom_common
spmi_pmic_arb cec typec qcom_glink_smem pinctrl_sc8280xp pwrseq_qcom_wcn
qcom_glink spmi_devres pwrseq_core qcom_stats spmi dispcc_sc8280xp rc_core
phy_qcom_edp i2c_qcom_cci camcc_sc8280xp llcc_qcom videocc_sm8350
dwc3_qcom_legacy qcom_q6v5 phy_qcom_qmp_usb thunderbolt phy_qcom_snps_femto_v2
qcom_sysmon nvmem_qfprom qcom_rpmh_regulator icc_bwmon mdt_loader
[ 1.670240] pinctrl_sc8280xp_lpass_lpi qcom_aoss lpasscc_sc8280xp
pinctrl_lpass_lpi gpucc_sc8280xp qcom_smd phy_qcom_qmp_pcie qcom_hwspinlock
gcc_sc8280xp icc_osm_l3 pmic_glink pdr_interface qcom_pdr_msg smp2p qmi_helpers
qnoc_sc8280xp rpmsg_core icc_rpmh uio_pdrv_genirq fixed uio smem icc_bcm_voter
gpio_keys pwm_bl
[ 1.670268] CPU: 3 UID: 0 PID: 315 Comm: kworker/u32:7 Tainted: G W
6.17.0-5-generic #5-Ubuntu PREEMPT(voluntary)
[ 1.670273] Tainted: [W]=WARN
[ 1.670274] Hardware name: LENOVO 21BX0013US/21BX0013US, BIOS N3HET93W (1.65
) 06/09/2025
[ 1.670276] Workqueue: events_unbound deferred_probe_work_func
[ 1.670280] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 1.670284] pc : gdsc_toggle_logic+0x194/0x1a8
[ 1.670288] lr : gdsc_toggle_logic+0x194/0x1a8
[ 1.670292] sp : ffff8000860bb960
[ 1.670294] x29: ffff8000860bb960 x28: 0000000000000000 x27: 0000000000000000
[ 1.670299] x26: 0000000000000001 x25: 0000000000000001 x24: 0000000000000000
[ 1.670304] x23: ffffbcae455e00c8 x22: 0000000000000000 x21: 0000000000000001
[ 1.670308] x20: 0000000000000001 x19: ffffbcae455dfcc8 x18: ffff8000833ae0a0
[ 1.670313] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[ 1.670317] x14: 0000000000000000 x13: 6f27207461206b63 x12: 7574732073757461
[ 1.670322] x11: 0000000000000000 x10: 0000000000000000 x9 : ffffbcae73970c98
[ 1.670327] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
[ 1.670331] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
[ 1.670336] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
[ 1.670340] Call trace:
[ 1.670342] gdsc_toggle_logic+0x194/0x1a8 (P)
[ 1.670347] gdsc_enable+0x6c/0x2b0
[ 1.670352] _genpd_power_on+0xc0/0x1f8
[ 1.670356] genpd_power_on+0x10c/0x288
[ 1.670360] __genpd_dev_pm_attach+0x144/0x348
[ 1.670364] genpd_dev_pm_attach+0x90/0xe8
[ 1.670369] dev_pm_domain_attach+0xb0/0xc8
[ 1.670371] platform_probe+0x58/0x128
[ 1.670376] really_probe+0xd8/0x3e8
[ 1.670379] __driver_probe_device+0x94/0x1a8
[ 1.670382] driver_probe_device+0x4c/0x1a0
[ 1.670385] __device_attach_driver+0x10c/0x238
[ 1.670388] bus_for_each_drv+0x94/0x120
[ 1.670391] __device_attach+0xa8/0x210
[ 1.670394] device_initial_probe+0x20/0x50
[ 1.670397] bus_probe_device+0xc0/0xd8
[ 1.670400] deferred_probe_work_func+0xac/0x120
[ 1.670403] process_one_work+0x174/0x428
[ 1.670408] worker_thread+0x310/0x440
[ 1.670413] kthread+0x110/0x130
[ 1.670417] ret_from_fork+0x10/0x20
[ 1.670422] ---[ end trace 0000000000000000 ]---
[ 1.687485] input: hid-over-i2c 06CB:CE5C Mouse as
/devices/platform/soc@0/8c0000.geniqup/894000.i2c/i2c-21/21-002c/0018:06CB:CE5C.0002/input/input10
[ 1.688328] input: hid-over-i2c 06CB:CE5C Touchpad as
/devices/platform/soc@0/8c0000.geniqup/894000.i2c/i2c-21/21-002c/0018:06CB:CE5C.0002/input/input11
[ 1.688813] hid-multitouch 0018:06CB:CE5C.0002: input,hidraw1: I2C HID v1.00
Mouse [hid-over-i2c 06CB:CE5C] on 21-002c
[ 1.692514] ------------[ cut here ]------------
[ 1.692518] pcie_3a_gdsc status stuck at 'off'
** Package changed: alsa-driver (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/2126982
Title:
No built-in sound on ThinkPad x13s with Ubuntu 25.10
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