Hello my friends. When I start ubuntu mate and I enter dmesg, I get a lot of errors. How can I solve this? Kernel Linux 4.4.154-95-rockchip-gd2ab1f26e1b3 on Rockpi 4
[Sun Nov 24 13:32:25 2019] rockchip-pcie f8000000.pcie: PCIe link training gen1 timeout!
[Sun Nov 24 13:32:25 2019] rk-vcodec ff650000.vpu_service: could not find power_model node
[Sun Nov 24 13:32:25 2019] rk-vcodec ff660000.rkvdec: could not find power_model node
[Sun Nov 24 13:32:25 2019] rockchip-vop ff900000.vop: missing rockchip,grf property
[Sun Nov 24 13:32:25 2019] rockchip-vop ff8f0000.vop: missing rockchip,grf property
[Sun Nov 24 13:32:25 2019] i2c i2c-9: of_i2c: modalias failure on /hdmi@ff940000/ports
[Sun Nov 24 13:32:25 2019] mali ff9a0000.gpu: Failed to get regulator
[Sun Nov 24 13:32:25 2019] mali ff9a0000.gpu: Power control initialization failed
[Sun Nov 24 13:32:25 2019] rk_gmac-dwmac fe300000.ethernet: cannot get clock clk_mac_speed
[Sun Nov 24 13:32:25 2019] rockchip-dwc3 usb0: fail to get drvdata hcd
[Sun Nov 24 13:32:25 2019] rockchip-dwc3 usb1: fail to get drvdata hcd
[Sun Nov 24 13:32:26 2019] rockchip-sy-mipi-dphy ff770000.syscon:mipi-dphy-rx0: invalid resource
[Sun Nov 24 13:32:26 2019] rk_tsadcv2_temp_to_code: Invalid conversion table: code=1023, temperature=2147483647
[Sun Nov 24 13:32:26 2019] vcc_sd: unsupportable voltage range: 3300000-3000000uV
[Sun Nov 24 13:32:26 2019] asoc-simple-card es8316-sound: ASoC: no source widget found for MICBIAS1
[Sun Nov 24 13:32:26 2019] asoc-simple-card es8316-sound: ASoC: Failed to add route MICBIAS1 -> direct -> Mic Jack
[Sun Nov 24 13:32:26 2019] asoc-simple-card es8316-sound: ASoC: no sink widget found for IN1P
[Sun Nov 24 13:32:26 2019] asoc-simple-card es8316-sound: ASoC: Failed to add route Mic Jack -> direct -> IN1P
[Sun Nov 24 13:32:26 2019] Warning: unable to open an initial console.
[Sun Nov 24 13:32:27 2019] cgroup: cgroup2: unknown option “nsdelegate”
[Sun Nov 24 13:32:28 2019] systemd[1]: Failed to start Load Kernel Modules.
[Sun Nov 24 13:32:33 2019] midgard_kbase: exports duplicate symbol _mali_profiling_control (owned by kernel)
[Sun Nov 24 13:32:47 2019] [drm:dw_hdmi_rockchip_set_property] ERROR failed to set rockchip hdmi connector property
[Sun Nov 24 13:32:47 2019] [drm:dw_hdmi_rockchip_set_property] ERROR failed to set rockchip hdmi connector property
[Sun Nov 24 13:32:47 2019] [drm:dw_hdmi_rockchip_set_property] ERROR failed to set rockchip hdmi connector property
[Sun Nov 24 13:32:47 2019] [drm:dw_hdmi_rockchip_set_property] ERROR failed to set rockchip hdmi connector property
[Sun Nov 24 13:32:47 2019] [drm:dw_hdmi_rockchip_set_property] ERROR failed to set rockchip hdmi connector property
[Sun Nov 24 13:32:47 2019] [drm:dw_hdmi_rockchip_set_property] ERROR failed to set rockchip hdmi connector property
Unfortunately, I’m a beginner, so thanks for your help