ubuntu18.04搭载移远4g模块上网五分钟左右断网。如果开机之后联不上网，那么之后不管怎么关闭开启网络服务都不能上网。如果开机能上网，五分钟左右网络断断续续要么就直接断掉
dmesg一部分信息如下：
[ 12.241527] ======== PULL WL_REG_ON(-1) HIGH! ========
[ 12.241535] [WLAN_RFKILL]: rockchip_wifi_power: 1
[ 12.241542] [WLAN_RFKILL]: wifi turn on power. -1
[ 12.542283] wifi_platform_bus_enumerate device present 1
[ 12.542314] ======== Card detection to detect SDIO card! ========
[ 12.542333] mmc2:mmc host rescan start!
[ 12.558741] bcmsdh_register: register client driver
[ 12.559268] bcmsdh_sdmmc_probe: Enter num=1
[ 12.559615] bcmsdh_sdmmc_probe: Enter num=2
[ 12.559637] bus num (host idx)=2, slot num (rca)=1
[ 12.559655] found adapter info 'DHD generic adapter'
[ 12.559851] sdioh_attach: set sd_f2_blocksize 256
[ 12.560081] sdioh_attach: sd clock rate = 0
[ 12.561157] dhdsdio_probe : no mutex held. set lock
[ 12.561538] F1 signature read @0x18000000=0x1541a9a6
[ 12.563893] mali ff9a0000.gpu: Looking up mali-supply from device tree
[ 12.563977] mali ff9a0000.gpu: Failed to get regulator
[ 12.564505] mali ff9a0000.gpu: Power control initialization failed
[ 12.571861] F1 signature OK, socitype:0x1 chip:0xa9a6 rev:0x1 pkg:0x4
[ 12.576070] DHD: dongle ram size is set to 524288(orig 524288) at 0x0
[ 12.577065] dhd_conf_set_chiprev: chip=0xa9a6, chiprev=1
[ 12.577918] CFG80211-ERROR) wl_setup_wiphy : Registering Vendor80211
[ 12.580766] CFG80211-ERROR) wl_init_prof : wl_init_prof: No profile
[ 12.581150] wl_escan_attach: Enter
[ 12.581195] wl_escan_init: Enter
[ 12.581810] wl_create_event_handler(): thread:wl_escan_handler:2b9 started
[ 12.581825] tsk Enter, tsk = 0xffffffc06a5301b0
[ 12.582007] dhd_attach(): thread:dhd_watchdog_thread:2ba started
[ 12.582094] dhd_attach(): thread:dhd_dpc:2bb started
[ 12.582592] dhd_attach(): thread:dhd_rxf:2bd started
[ 12.582618] dhd_deferred_work_init: work queue initialized
[ 12.582628] dhd_tcpack_suppress_set: TCP ACK Suppress mode 0 -> mode 2
[ 12.582683] dhd_bus_set_default_min_res_mask: Unhandled chip id
[ 12.582989] sdioh_cis_read: func_cis_ptr[0]=0x1070
[ 12.597744] Dongle Host Driver, version 1.579.77.41.10 (r)
[ 12.598712] wl_ext_iapsta_attach_netdev: ifidx=0, bssidx=0
[ 12.598739] Register interface [wlan0] MAC: 80:d2:1d:cc:f5:f5
[ 12.598820] dhd_tcpack_suppress_set: TCP ACK Suppress mode 2 -> mode 0
[ 12.598837] dhd_wl_ioctl: returning as busstate=0
[ 12.598847] dhd_dbg_detach_pkt_monitor, 2204
[ 12.598857] dhd_bus_devreset: == Power OFF ==
[ 12.599302] bcmsdh_oob_intr_unregister: Enter
[ 12.599316] bcmsdh_oob_intr_unregister: irq is not registered
[ 12.599331] dhd_txglom_enable: enable 0
[ 12.599340] dhd_conf_set_txglom_params: txglom_mode=copy
[ 12.599348] dhd_conf_set_txglom_params: txglomsize=0, deferred_tx_len=0
[ 12.599356] dhd_conf_set_txglom_params: txinrx_thres=-1, dhd_txminmax=1
[ 12.599364] dhd_conf_set_txglom_params: tx_max_offset=0, txctl_tmo_fix=300
[ 12.599392] dhd_bus_devreset: WLAN OFF DONE
[ 12.599471] wifi_platform_set_power = 0
[ 12.599485] ======== PULL WL_REG_ON(-1) LOW! ========
[ 12.599498] [WLAN_RFKILL]: rockchip_wifi_power: 0
[ 12.599520] [WLAN_RFKILL]: wifi shut off power.
[ 12.599530] dhdsdio_probe : the lock is released.
[ 12.599696] dhd_module_init: Exit err=0
[ 12.602931] mali ff9a0000.gpu: Looking up mali-supply from device tree
[ 12.602973] mali ff9a0000.gpu: Failed to get regulator
[ 12.603503] mali ff9a0000.gpu: Power control initialization failed
[ 12.640241] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 13.716506] usb 5-1.6: reset low-speed USB device number 4 using ehci-platform
[ 14.254419] usb 5-1.6: reset low-speed USB device number 4 using ehci-platform
[ 14.593195] usb 5-1.4: new high-speed USB device number 5 using ehci-platform
[ 14.689388] usb 5-1.4: New USB device found, idVendor=2c7c, idProduct=0125
[ 14.689417] usb 5-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 14.689429] usb 5-1.4: Product: Android
[ 14.689439] usb 5-1.4: Manufacturer: Android
[ 14.691192] option 5-1.4:1.0: GSM modem (1-port) converter detected
[ 14.691715] usb 5-1.4: GSM modem (1-port) converter now attached to ttyUSB0
[ 14.692459] option 5-1.4:1.1: GSM modem (1-port) converter detected
[ 14.694097] mali ff9a0000.gpu: Looking up mali-supply from device tree
[ 14.694176] mali ff9a0000.gpu: Failed to get regulator
[ 14.694642] mali ff9a0000.gpu: Power control initialization failed
[ 14.695655] usb 5-1.4: GSM modem (1-port) converter now attached to ttyUSB1
[ 14.696449] option 5-1.4:1.2: GSM modem (1-port) converter detected
[ 14.697983] mali ff9a0000.gpu: Looking up mali-supply from device tree
[ 14.698028] mali ff9a0000.gpu: Failed to get regulator
[ 14.698543] mali ff9a0000.gpu: Power control initialization failed
[ 14.699527] usb 5-1.4: GSM modem (1-port) converter now attached to ttyUSB2
[ 14.700309] option 5-1.4:1.3: GSM modem (1-port) converter detected
[ 14.701903] mali ff9a0000.gpu: Looking up mali-supply from device tree
[ 14.701948] mali ff9a0000.gpu: Failed to get regulator
[ 14.702462] mali ff9a0000.gpu: Power control initialization failed
[ 14.703456] usb 5-1.4: GSM modem (1-port) converter now attached to ttyUSB3
[ 14.705527] mali ff9a0000.gpu: Looking up mali-supply from device tree
[ 14.705579] mali ff9a0000.gpu: Failed to get regulator
[ 14.706040] mali ff9a0000.gpu: Power control initialization failed
[ 14.707655] qmi_wwan_q 5-1.4:1.4: cdc-wdm0: USB WDM device
[ 14.707678] qmi_wwan_q 5-1.4:1.4: Quectel EC25&EC21&EG91&EG95&EG06&EP06&EM06&EG12&EP12&EM12&EG16&EG18&BG96&AG35 work on RawIP mode
[ 14.708015] qmi_wwan_q 5-1.4:1.4: rx_urb_size = 1520
[ 14.709367] qmi_wwan_q 5-1.4:1.4 wwan0: register 'qmi_wwan_q' at usb-fe380000.usb-1.4, WWAN/QMI device, 72:66:64:02:2c:3a
[ 14.711997] mali ff9a0000.gpu: Looking up mali-supply from device tree
[ 14.712050] mali ff9a0000.gpu: Failed to get regulator
[ 14.712602] mali ff9a0000.gpu: Power control initialization failed
[ 16.082328] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 16.584212] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 22.317920] gpio-4 (bt_default_wake_host): gpiod_request: status -16
[ 22.317937] export_store: status -16
[ 23.414822] rockchip-vop ff8f0000.vop: [drm:vop_crtc_enable] Update mode to 1280x720p0, type: 11
[ 25.323246] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 25.828162] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 26.374435] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 27.279217] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 28.003308] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 28.541272] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 29.100270] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 29.610175] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 30.110837] gpio-4 (bt_default_wake_host): gpiod_request: status -16
[ 30.110855] export_store: status -16
[ 30.403275] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 30.922362] dwhdmi-rockchip ff940000.hdmi: failed to get edid
[ 38.238671] gpio-4 (bt_default_wake_host): gpiod_request: status -16
[ 38.238688] export_store: status -16
[ 49.099220] tty_port_close_start: tty->count = 1 port count = 2.
[ 128.918654] cdn-dp fec00000.dp: [drm:cdn_dp_request_firmware] ERROR Timed out trying to load firmware
兄弟姐妹帮我看看问题出在哪里
