Dec 25 07:41:48 lenovo kernel: [    1.084945] radeon 0000:03:00.0: VCE init error (-22).
Dec 25 07:41:48 lenovo kernel: [    1.392191] [drm:radeon_acpi_init [radeon]] *ERROR* Cannot find a backlight controller
Dec 25 07:41:48 lenovo kernel: [    4.253483] kfd kfd: error getting iommu info. is the iommu enabled?
Dec 25 07:41:48 lenovo kernel: [    4.253522] kfd kfd: Error initializing iommuv2 for device (1002:9874)
Dec 25 07:41:48 lenovo kernel: [    4.253651] kfd kfd: device (1002:9874) NOT added due to errors
Dec 25 07:41:48 lenovo kernel: [   13.421003] EXT4-fs (sda3): re-mounted. Opts: errors=remount-ro
Dec 25 07:41:48 lenovo kernel: [   13.961923] tpm_crb: probe of MSFT0101:00 failed with error -16
Dec 25 07:41:48 lenovo kernel: [   15.977361] ath10k_pci 0000:01:00.0: Direct firmware load for ath10k/cal-pci-0000:01:00.0.bin failed with error -2
Dec 25 07:41:48 lenovo kernel: [   26.360708] radeon 0000:03:00.0: VCE init error (-22).
Dec 25 07:42:12 lenovo NetworkManager[1484]: <warn>  [1514162532.4434] failed to enumerate oFono devices: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files
Dec 25 07:42:26 lenovo kernel: [   66.621189] radeon 0000:03:00.0: VCE init error (-22).
Binary file kern.log matches