答复: 答复: [PATCH] usb: xhci: check Null pointer in segment alloc
From: 胡连勤
Date: Tue Apr 28 2026 - 22:50:54 EST
Hello Greg, Mathias Nyman:
Even after updating the kernel, the issue persists during the wake-up process
after the device has been put into sleep mode when connected to digital headphones.
The error message is as follows:
[465214.519817][T17247] msm-dwc3 a600000.ssusb: [2026-04-26 07:38:16.871288]vusb dbg: [2026-04-26 07:38:16.871288]DWC3 in low power mode
[465221.257099][T24488] check_valid_request: card#:0 dev#:0 dir:0 en:1 fmt:2 rate:48000 #ch:2
[465221.259370][T24488] msm-dwc3 a600000.ssusb: [2026-04-26 07:38:23.610842]vusb dbg: [2026-04-26 07:38:23.610842]DWC3 exited from low power mode
[465221.690852][T24488] usb 1-1: 1:1: cannot get freq at ep 0x3
[465221.690947][T24488] uaudio_iommu_map: type:0 map pa:0x000000089a6ae000 to iova:0x00001000 size:4096
[465221.690956][T24488] uaudio_get_iova: exact size: 4096 found
[465221.690959][T24488] uaudio_get_iova: va:0x00022000 curr_iova:0x00024000 curr_iova_size:4186112
[465221.690962][T24488] uaudio_iommu_map: type:1 map pa:0x000000091c537000 to iova:0x00022000 size:4096
[465221.690994][T24488] uaudio_get_iova: exact size: 32768 found
[465221.690996][T24488] uaudio_get_iova: va:0x00422000 curr_iova:0x00432000 curr_iova_size:4290592768
[465221.691001][T24488] uaudio_iommu_map: type:2 map pa:0x0000000974e5c000 to iova:0x00422000 len:4096 offset:0
[465221.691004][T24488] uaudio_iommu_map: type:2 map pa:0x000000092ff0b000 to iova:0x00423000 len:4096 offset:0
[465221.691008][T24488] uaudio_iommu_map: type:2 map pa:0x00000009086d4000 to iova:0x00424000 len:4096 offset:0
[465221.691011][T24488] uaudio_iommu_map: type:2 map pa:0x0000000903d42000 to iova:0x00425000 len:4096 offset:0
[465221.691014][T24488] uaudio_iommu_map: type:2 map pa:0x0000000899f40000 to iova:0x00426000 len:4096 offset:0
[465221.691017][T24488] uaudio_iommu_map: type:2 map pa:0x000000091c491000 to iova:0x00427000 len:4096 offset:0
[465221.691020][T24488] uaudio_iommu_map: type:2 map pa:0x0000000899269000 to iova:0x00428000 len:4096 offset:0
[465221.691023][T24488] uaudio_iommu_map: type:2 map pa:0x000000093b4d3000 to iova:0x00429000 len:4096 offset:0
[465221.691052][T24488] handle_uaudio_stream_req: ret 0: qmi response latency 433 ms
[465223.771840][T24494] handle_uaudio_stream_req: sq_node:5 sq_port:207 sq_family:2a
[465223.771858][T24494] check_valid_request: card#:0 dev#:0 dir:0 en:0 fmt:2 rate:48000 #ch:2
[465223.827409][T24494] uaudio_put_iova: curr_iova_size 4190208
[465223.827414][T24494] uaudio_iommu_unmap: type 1: unmap iova 0x00022000 size 4096
[465223.827425][T24494] uaudio_put_iova: curr_iova_size 4290625536
[465223.827429][T24494] uaudio_iommu_unmap: type 2: unmap iova 0x00422000 size 32768
[465223.827463][T24494] handle_uaudio_stream_req: release resources: intf# 1 card# 0
[465223.827467][T24494] uaudio_dev_release: for dev 0000000000000000
[465223.827472][T24494] uaudio_iommu_unmap: type 0: unmap iova 0x00001000 size 4096
[465223.827517][T24494] uaudio_event_ring_cleanup_free: all audio devices disconnected
[465223.827561][T24494] handle_uaudio_stream_req: ret 0: qmi response latency 55 ms
[465227.360186][ T3223] android time 2026-04-27 06:38:29.711646
[465232.791611][T24493] handle_uaudio_stream_req: sq_node:5 sq_port:207 sq_family:2a
[465232.791615][T24493] check_valid_request: card#:0 dev#:0 dir:0 en:1 fmt:2 rate:48000 #ch:2
[465233.213670][T24493] uaudio_iommu_map: type:0 map pa:0x000000091094f000 to iova:0x00001000 size:4096
[465233.213683][T24493] uaudio_get_iova: exact size: 4096 found
[465233.213686][T24493] uaudio_get_iova: va:0x00022000 curr_iova:0x00024000 curr_iova_size:4186112
[465233.213689][T24493] uaudio_iommu_map: type:1 map pa:0x000000089a6ae000 to iova:0x00022000 size:4096
[465233.213712][T24493] uaudio_get_iova: exact size: 32768 found
[465233.213715][T24493] uaudio_get_iova: va:0x00422000 curr_iova:0x00432000 curr_iova_size:4290592768
[465233.213720][T24493] uaudio_iommu_map: type:2 map pa:0x0000000968e5f000 to iova:0x00422000 len:4096 offset:0
[465233.213723][T24493] uaudio_iommu_map: type:2 map pa:0x0000000968e5e000 to iova:0x00423000 len:4096 offset:0
[465233.213727][T24493] uaudio_iommu_map: type:2 map pa:0x00000008caa58000 to iova:0x00424000 len:4096 offset:0
[465233.213730][T24493] uaudio_iommu_map: type:2 map pa:0x0000000a91af0000 to iova:0x00425000 len:4096 offset:0
[465233.213734][T24493] uaudio_iommu_map: type:2 map pa:0x00000009d38c1000 to iova:0x00426000 len:4096 offset:0
[465233.213737][T24493] uaudio_iommu_map: type:2 map pa:0x00000009e1e05000 to iova:0x00427000 len:4096 offset:0
[465233.213740][T24493] uaudio_iommu_map: type:2 map pa:0x00000009f8ea4000 to iova:0x00428000 len:4096 offset:0
[465233.213743][T24493] uaudio_iommu_map: type:2 map pa:0x00000000a7519000 to iova:0x00429000 len:4096 offset:0
[465233.213791][T24493] handle_uaudio_stream_req: ret 0: qmi response latency 422 ms
[465248.503579][T24411] usb 1-1: reset full-speed USB device number 2 using xhci-hcd
[465248.641732][T24411] Unable to handle kernel paging request at virtual address 00000000ef808000
[465248.641742][T24411] Mem abort info:
[465248.641744][T24411] ESR = 0x0000000096000005
[465248.641747][T24411] EC = 0x25: DABT (current EL), IL = 32 bits
[465248.641751][T24411] SET = 0, FnV = 0
[465248.641754][T24411] EA = 0, S1PTW = 0
[465248.641756][T24411] FSC = 0x05: level 1 translation fault
[465248.641759][T24411] Data abort info:
[465248.641762][T24411] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
[465248.641765][T24411] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[465248.641768][T24411] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[465248.641771][T24411] user pgtable: 4k pages, 39-bit VAs, pgdp=00000008fac46000
[465248.641776][T24411] [00000000ef808000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
[465248.641788][T24411] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
[465248.641796][T24411] dbg_snapshot_backtrace: regs
[465248.641905][T24411] Success to add btrace in Minidump
[465248.641993][T24411] Modules linked in: cs_press(O) fp_dispatch_event(O) vivo_ts(O) qca_cld3_peach_v2(O) rmnet_shs(O) rmnet_perf(O) rmnet_wlan(O) rmnet_offload(O) rmnet_perf_tether(O) rmnet_aps(O) rmnet_core(O) rmnet_ctl(O) ipanetm(O) ipam(O) msm_drm(O) vfcs_cms_core(O) coresight_tmc(O) snd_usb_audio_qmi(O) usb_f_gsi(O) vfcs_fg_sh366101(O) vfcs_fg_sh366009_dev(O) vfcs_fg_bq28z610_dev(O) vfcs_fg_sh366003_dev(O) usb_f_qdss(O) machine_dlkm(O) camera(O) msm_kgsl(O) swr_dmic_dlkm(O) vfcs_pi_i2c_dev(O) cnss2(O) msm_eva(O) spcom(O) msm_video(O) mhi_dev_satellite(O) qrtr_mhi(O) mhi_dev_uci(O) swr_haptics_dlkm(O) leds_qcom_flash(O) hdmi_dlkm(O) wcd9378_dlkm(O) zram(O) qcom_hv_haptics(O) vfcs_cp_i2c_dev(O) lpass_cdc_wsa_macro_dlkm(O) slc_mpam(O) qti_ptd_share(O) coresight_remote_etm(O) nb7vpq904m(O) lpass_cdc_tx_macro_dlkm(O) mhi(O) qfs2630(O) coresight_tmc_sec(O) qcrypto_msm_dlkm(O) qcedev_mod_dlkm(O) vivo_wls_charger_monitor(O) lpass_cdc_va_macro_dlkm(O) qcom_spmi_adc5_gen3(O) coresight_dummy(O) wcd938x_dlkm(O) guw5228(O)
[465248.642156][T24411] spss_utils(O) wcd939x_dlkm(O) qti_battery_charger(O) lpass_cdc_wsa2_macro_dlkm(O) qce50_dlkm(O) wsa884x_dlkm(O) lpass_bt_swr_dlkm(O) wsa883x_dlkm(O) synx_driver(O) bwmon(O) dwc3_msm(O) lpass_cdc_rx_macro_dlkm(O) dmesg_dumper(O) mbhc_dlkm(O) vfcs_core(O) vivo_ak4377a_dlkm(O) vfcs_bat_encryptor_core(O) qcom_cpuss_sleep_stats_v4(O) swr_ctrl_dlkm(O) microdump_collector(O) pmic_glink_debug(O) vivo_sia8159_dlkm(O) msm_memshare(O) qti_battery_debug(O) wcd9xxx_dlkm(O) lpass_cdc_dlkm(O) st_fts(O) vivo_tfa9894_dlkm(O) vivo_aw87319_dlkm(O) vivo_tfa9874_dlkm(O) coresight_tpdm(O) coresight_funnel(O) gh_ctrl(O) cpu_hotplug(O) tz_log_dlkm(O) sensorhub_monitor(O) glink_probe(O) qcom_spss(O) pci_msm_drv(O) msm_hw_fence(O) qsee_ipc_irq_bridge(O) frpc_adsprpc(O) qti_glink_adc(O) slim_qcom_ngd_ctrl(O) pinctrl_lpi_dlkm(O) mac80211(O) ucsi_qti_glink(O) qcom_cache_allocation(O) mpam_msc_slc(O) vivo_aw87xxx_dlkm(O) vivo_aw882xx_dlkm(O) vivo_fs1599_dlkm(O) vivo_fs194x_dlkm(O) msm_ext_display(O) ipclite(O) phy_qcom_emu(O)
[465248.642297][T24411] smmu_proxy_dlkm(O) stm_heartbeat(O) hdcp_qseecom_dlkm(O) fpid(O) phy_msm_m31_eusb2(O) repeater_qti_pmic_eusb2(O) qcom_dynamic_ramoops(O) qcom_lpm_monitor(O) cpu_mpam(O) qcom_amoled_regulator(O) simple_amp_dlkm(O) pinctrl_spmi_gpio(O) wcd939x_slave_dlkm(O) qcom_va_minidump(O) glink_pkt(O) platform_mpam(O) coresight_uetm(O) bt_fm_swr(O) coresight_tgu(O) coresight_trace_noc(O) coresight_qmi(O) zsmalloc(O) qcom_fdcvs(O) msm_sysstats(O) vivo_wls_rx_p9415(O) rdbg(O) sync_fence(O) f_fs_ipc_log(O) debugcc_alor(O) gsim(O) ddr_cdev(O) hung_task_enh(O) phy_msm_ssusb_qmp(O) eud(O) radio_i2c_rtc6226_qca(O) i3c_master_msm_geni(O) qrtr_gunyah(O) sensors_class(O) cpucp_log(O) dcc_v2(O) qcom_vadc_common(O) pm8941_pwrkey(O) sps_drv(O) msm_show_resume_irq(O) qti_fixed_regulator(O) qti_thermal_vendor_hooks(O) phy_generic(O) governor_msm_adreno_ro(O) qti_ocp_notifier(O) governor_gpubw_mon(O) nvmem_qfprom(O) leds_qcom_lpg(O) drm_display_helper(O) sdca_registers_dlkm(O) qrng_dlkm(O) msm_performance(O) msm_show_epoch(O)
[465248.642450][T24411] msm_sharedmem(O) audio_pkt_dlkm(O) leds_qpnp_vibrator_ldo(O) qti_cpufreq_cdev(O) slc_perfmon(O) spi_msm_geni(O) qti_userspace_cdev(O) msm_geni_serial(O) qcom_lpm(O) smp2p(O) qcom_spmi_temp_alarm(O) lt9611uxc(O) qcom_rng(O) qcom_pmic_ecid(O) qcom_i2c_pmic(O) smp2p_sleepstate(O) pinctrl_spmi_mpp(O) spmi_pmic_arb_debug(O) vivo_aw882xx_v4_dlkm(O) vivo_tas2562_dlkm(O) vivo_sensor_data(O) vivo_display(O) vivo_max20328_dlkm(O) vivo_tshell(O) wlan_firmware_service(O) vivo_spi_ir(O) vivo_aw882xx_v3_dlkm(O) sysmon_subsystem_stats(O) vivo_cs43130_dlkm(O) phy_qcom_eusb2_repeater(O) mem_offline(O) stm_ftrace(O) gh_rm_booster(O) stm_console(O) governor_msm_adreno_tz(O) shrinker_proxy(O) thermal_pause(O) qti_amoled_ecm(O) vivo_haptics_boost(O) vivo_bgc(O) subsystem_ddrvote_stats(O) stm_st54se_gpio(O) rmnet_sch(O) goodix_ts(O) qcom_edac(O) qti_qmi_sensor_v2(O) heap_mem_ext_v01(O) cpuss_telemetry(O) qts(O) ledtrig_pattern(O) qti_btl(O) repeater(O) hvc_gunyah(O) qti_dynamic_hw_trip(O) vfcs_wls_dev(O) qmp_dlkm(O) q6_dlkm(O)
[465248.642597][T24411] phy_qcom_m31_eusb2(O) llcc_heuristics(O) gh_irq_lend(O) hwmon(O) qcom_glink_spss(O) qti_devfreq_cdev(O) sys_pm_vx(O) memlat(O) phy_qcom_qmp_combo(O) wcd9378_slave_dlkm(O) qrtr_smd(O) coresight_tpda(O) wcd938x_slave_dlkm(O) wifibob(O) wcd_core_dlkm(O) coresight_stm(O) coresight_replicator(O) btfm_slim_codec(O) coresight_csr(O) vivo_wls_rx_cps4041(O) coresight_cti(O) vfcs_max77929(O) mpam_msc(O) qti_qmi_cdev(O) msm_hfi_core(O) mem_hooks(O) lmh_stats(O) gh_panic_notifier(O) rmnet_mem(O) msm_mmrm(O) gunyah_trace(O) gh_tlmm_vm_mem_access(O) thermal_config(O) stub_dlkm(O) stm_p_ost(O) vfcs_wls_core(O) redriver(O) qcom_pd_mapper(O) qti_power_telemetry(O) nfc_i2c(O) charger_ulog_glink(O) vfcs_fchg_core(O) vhp(O) vfcs_fg_common(O) altmode_glink(O) vfcs_bigdata_core(O) tmecom_intf_dlkm(O) vfcs_ex_bms(O) qcom_stats(O) usb_f_ccid(O) vfcs_sc8510(O) usb_f_cdev(O) btpower(O) coresight(O) cnss_plat_ipc_qmi_svc(O) bcl_pmic5(O) cnss_nl(O) stm_core(O) cfg80211(O) audpkt_ion_dlkm(O) atmel_mxt_ts(O) cnss_prealloc(O)
[465248.642774][T24411] swr_dlkm(O) audio_prm_dlkm(O) btfmcodec(O) boot_stats(O) aw86938s(O) cdsprm(O) pcie_pdc(O) mpam(O) bcl_soc(O) cnss_utils(O) bam_dma(O) vfcs_misc_core(O) slimbus(O) smem_mailbox(O) adsp_sleepmon(O) qti_pmic_glink(O) vivo_haptic_core(O) panel_event_notifier(O) adsp_loader_dlkm(O) spf_core_dlkm(O) gpr_dlkm(O) snd_event_dlkm(O) q6_notifier_dlkm(O) qcom_q6v5_pas(O) qcom_pil_info(O) qcom_q6v5(O) qcom_sysmon(O) qcom_ramdump(O) q6_pdr_dlkm(O) pdr_interface(O) qcom_pdr_msg(O) vivo_codec_common_dlkm(O) wcd_usbss_i2c(O) rproc_qcom_common(O) qcom_smd(O) qcom_glink_smem(O) qcom_glink(O) qmi_helpers(O) l2tp_ppp hci_uart pptp tipc_diag ppp_deflate ppp_mppe pppox virtio_balloon bsd_comp virtio_pci tls usbmon soc_utils_test regmap_kunit btqca vcan ppp_generic hidp tipc nhc_hop btsdio virtio_pci_legacy_dev virtio_console rfcomm nhc_fragment r8153_ecm btbcm rust_binder soc_topology_test vmw_vsock_virtio_transport virtio_blk wwan virtio_pci_modern_dev vcpu_stall_detector time_test macsec nfc nhc_ipv6 platform_test mac802154
[465248.642972][T24411] cdc_ncm r8152 regmap_raw_ram regmap_ram slcan ptp bluetooth 9pnet_fd nhc_mobility kunit_test pps_core slhc can pwrseq_core nhc_dest ieee802154_6lowpan clk_test rtl8150 ieee802154_socket of_kunit_helpers l2tp_core ext4_inode_test gzvm open_dice lib_test nhc_routing nhc_udp input_test ftdi_sio clk_kunit_helpers hid_uclogic_test kunit_example_test iio_test_format fat_test ieee802154 dev_addr_lists_test usbserial clk_gate_test exynos_hvm gnss 9pnet libarc4 asix ax88179_178a cdc_ether kunit aqc111 rfkill can_dev cdc_acm cdc_eem cctrng usbnet 8021q netfs mii 6lowpan ufs_qcom(O) cpucp_fast(O) sched_walt(O) vivo_rms(O) vkyber_iosched(O) vivo_csc(O) symphony(O) zcache(O) vivo_slowpath_opt(O) csc_driver(O) swapmem_free(O) vivo_rsc(O) qnoc_alor(O) qnoc_canoe(O) qcom_dcvs(O) debugcc_canoe(O) icc_rpmh(O) bsplog(O) cambistmclkcc_canoe(O) camcc_alor(O) camcc_canoe(O) clk_rpmh(O) clk_dummy(O) dcvs_fp(O) gcc_alor(O) dispcc_canoe(O) evacc_canoe(O) sdhci_msm(O) gcc_canoe(O) gpucc_canoe(O) icc_bcm_voter(O) rpmh_regulator(O)
[465248.643188][T24411] tcsrcc_canoe(O) videocc_canoe(O) clk_qcom(O) vivo_bsp_engine(O) i2c_msm_geni(O) qcom_rpmh(O) smcinvoke_dlkm(O) msm_qmp(O) arm_smmu(O) pmic_pon_log(O) crm_v2(O) msm_gpi(O) mem_buf(O) mem_object(O) qcom_aoss(O) qcom_iommu_debug(O) qrtr(O) pinctrl_canoe(O) qcom_tsens(O) pinctrl_alor(O) pinctrl_chora(O) ufshcd_crypto_qti(O) pinctrl_msm(O) gdsc_regulator(O) qcom_iommu_util(O) arm_smmu_pmu(O) gh_vcpu_mgr(O) board_info(O) gic_intr_routing(O) handshake_counter(O) mdt_loader(O) si_core_module(O) qcom_pdc(O) mem_buf_msgq(O) memory_dump_v2(O) pem_unisched(O) phy_qcom_ufs_qmp_v4_canoe(O) phy_qcom_ufs_qrbtc_sdm845(O) qcom_ipc_logging(O) qcom_logbuf_boot_log(O) qcom_ice(O) qcom_cpu_vendor_hooks(O) qcom_spmi_pmic(O) sch_uprio(O) qcom_logbuf_vendor_hooks(O) qcom_pmu_lib(O) qcom_soc_wdt(O) vivo_wifi_driver(O) stub_regulator(O) vr(O) vne(O) socinfo(O) vivo_netstats(O) vpsnh(O) vklp(O) msm_poweroff(O) qcom_wdt_core(O) qcom_pon(O) qcom_dload_mode(O) minidump(O) qcom_dma_heaps(O) vdma_heap(O) mem_buf_dev(O) gh_mem_notifier(O)
[465248.643340][T24411] gh_rm_heap_manager(O) mem_prot(O) secure_buffer(O) smem(O) bootprof(O) bootvprof(O) clk_scmi(O) cmd_db(O) common_hook(O) cqhci(O) debug_regulator(O) deferred_free_helper(O) vivo_tcp(O) proxy_consumer(O) io_enhance(O) icc_clk(O) icc_debug(O) qcom_scm(O) iommu_logger(O) leds_aw22xxx(O) kprobe_fs_special(O) llcc_qcom(O) logd_kernel(O) mem_ddr_size(O) nvmem_qcom_spmi_sdam(O) msm_dma_iommu_mapping(O) pem_driver(O) phy_qcom_ufs(O) qcom_scmi_client(O) qcom_et5904_regulator(O) qcom_scmi_vendor(O) qcom_hwspinlock(O) qcom_llcc_pmu(O) qcom_ipcc(O) pie_driver(O) reboot_mode(O) qcom_reboot_reason(O) gh_rm_drv(O) qcom_tzmem(O) qcom_sdei(O) qcom_cpucp(O) qti_regmap_debugfs(O) qptf(O) qnoc_qos(O) qseecom_proxy(O) gh_msgq(O) sg(O) sch_cfg(O) rtc_pm8xxx(O) spmi_pmic_arb(O) gh_dbl(O) tango32(O) gh_arm_drv(O) v_zsmalloc(O) thp_pool(O) vivo_fs_trace(O) vsed(O) vivo_memdo(O) vivo_bsp_info(O) debug_symbol(O)
[465248.643497][T24411] CPU: 0 UID: 0 PID: 24411 Comm: kworker/0:5 Tainted: G W O 6.12.58-android16-6-g0f3eaab03b73-ab14789602-4k #1 03ee7692a72fc2b673d5f12fc120aa8df4b6e3cb
[465248.643513][T24411] Tainted: [W]=WARN, [O]=OOT_MODULE
[465248.643516][T24411] Hardware name: Qualcomm Technologies, Inc. Canoe QRD + ST54L + Kundu PD2505F_EX-C (DT)
[465248.643520][T24411] Workqueue: events __usb_queue_reset_device
[465248.643534][T24411] pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[465248.643543][T24411] pc : dma_pool_alloc+0x38/0x2a4
[465248.643555][T24411] lr : dma_pool_alloc+0x2c/0x2a4
[465248.643566][T24411] sp : ffffffc0ffeeb9d0
[465248.643569][T24411] x29: ffffffc0ffeeb9d0 x28: 0000000000001800 x27: 0000000000000001
[465248.643580][T24411] x26: ffffff884e7e8980 x25: ffffff8934a3c600 x24: 0000000000000002
[465248.643591][T24411] x23: 0000000000000020 x22: 00000000ef808000 x21: ffffffc0ffeeba10
[465248.643601][T24411] x20: 0000000000000d00 x19: ffffff8917045280 x18: ffffffd70592ca00
[465248.643612][T24411] x17: 00000000b77d0433 x16: 00000000b77d0433 x15: 000000000000dc00
[465248.643621][T24411] x14: ffffffd7046fdb90 x13: a0807e4e88ffffff x12: ffffffb43aca6000
[465248.643631][T24411] x11: ffffffd70591b580 x10: 7120f35a1e2dfc2d x9 : 0000000000000000
[465248.643641][T24411] x8 : 0000000000000001 x7 : 0000000000000000 x6 : 000000000000003f
[465248.643651][T24411] x5 : 0000000000000040 x4 : 0000000000000040 x3 : 00000001e8757240
[465248.643661][T24411] x2 : ffffffc0ffeeba10 x1 : 0000000000000000 x0 : 0000000000000000
[465248.643670][T24411] Call trace:
[465248.643673][T24411] dma_pool_alloc+0x38/0x2a4
[465248.643684][T24411] xhci_segment_alloc+0x9c/0x1c4
[465248.643692][T24411] xhci_alloc_segments_for_ring+0xbc/0x170
[465248.643699][T24411] xhci_ring_alloc+0xb4/0x1f0
[465248.643705][T24411] xhci_endpoint_init+0x3b0/0x4bc
[465248.643711][T24411] xhci_add_endpoint+0x1a4/0x29c
[465248.643723][T24411] usb_hcd_alloc_bandwidth+0x230/0x3d4
[465248.643729][T24411] usb_reset_and_verify_device+0x1e0/0x744
[465248.643741][T24411] usb_reset_device+0x154/0x23c
[465248.643756][T24411] __usb_queue_reset_device+0x3c/0x64
[465248.643764][T24411] process_scheduled_works+0x200/0x9d8
[465248.643772][T24411] worker_thread+0x154/0x3b4
[465248.643780][T24411] kthread+0x11c/0x1a0
[465248.643791][T24411] ret_from_fork+0x10/0x20
[465248.643807][T24411] Code: 942f5097 f9400e76 aa0003e9 b40002f6 (f94002c8)
[465248.643812][T24411] ---[ end trace 0000000000000000 ]---
Lianqin
Thanks