我使用带有 Raspberry 触摸屏 (800x480) 的 Raspberry 4，我有一个由 Yocto 构建的自定义操作系统。我使用 tslib 驱动程序来使用我的触摸屏。
我想要的所有功能都可以，但是当我触摸屏幕时，tslib: Selected device is not a Linux input event device 错误淹没了我的控制台（串行调试控制台）并创建性能下降。
你能帮我吗 ？
先感谢您。
我的/etc/ts.conf文件：
# Uncomment if you wish to use the linux input layer event interface
module_raw input
# Uncomment if you're using a Sharp Zaurus SL-5500/SL-5000d
# module_raw collie
# Uncomment if you're using a Sharp Zaurus SL-C700/C750/C760/C860
# module_raw corgi
# Uncomment if you're using a device with a UCB1200/1300/1400 TS interface
# module_raw ucb1x00
# Uncomment if you're using an HP iPaq h3600 or similar
# module_raw h3600
# Uncomment if you're using a Hitachi Webpad
# module_raw mk712
# Uncomment if you're using an IBM Arctic II
# module_raw arctic2
module pthres pmin=1
module variance delta=30
module dejitter delta=100
module linear
我的 Xorg 日志
[ 7.761]
X.Org X Server 1.20.8
X Protocol Version 11, Revision 0
[ 7.762] Build Operating System: Linux
[ 7.762] Current Operating System: Linux raspberrypi4-64 5.4.72-v8 #1 SMP PREEMPT Mon Oct 19 11:12:20 UTC 2020 aarch64
[ 7.762] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 video=HDMI-A-1:800x480M@59 smsc95xx.macaddr=DC:A6:32:94:BA:C9 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait logo.nologo vt.global_cursor_default=0 psplash=false
[ 7.762] Build Date: 29 March 2020 08:21:46PM
[ 7.762]
[ 7.762] Current version of pixman: 0.38.4
[ 7.762] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 7.762] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 7.762] (==) Log file: "/var/log/Xorg.0.log", Time: Fri Mar 9 12:35:19 2018
[ 7.786] (==) Using config file: "/etc/X11/xorg.conf"
[ 7.786] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 7.808] (==) No Layout section. Using the first Screen section.
[ 7.808] (==) No screen section available. Using defaults.
[ 7.808] (**) |-->Screen "Default Screen Section" (0)
[ 7.808] (**) | |-->Monitor "<default monitor>"
[ 7.809] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 7.809] (==) Automatically adding devices
[ 7.809] (==) Automatically enabling devices
[ 7.809] (==) Automatically adding GPU devices
[ 7.809] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 7.816] (WW) The directory "/usr/share/fonts/X11/misc/" does not exist.
[ 7.816] Entry deleted from font path.
[ 7.816] (WW) The directory "/usr/share/fonts/X11/TTF/" does not exist.
[ 7.816] Entry deleted from font path.
[ 7.816] (WW) The directory "/usr/share/fonts/X11/OTF/" does not exist.
[ 7.816] Entry deleted from font path.
[ 7.816] (WW) The directory "/usr/share/fonts/X11/Type1/" does not exist.
[ 7.816] Entry deleted from font path.
[ 7.816] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 7.816] Entry deleted from font path.
[ 7.816] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 7.816] Entry deleted from font path.
[ 7.816] (==) FontPath set to:
[ 7.816] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 7.816] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 7.816] (II) Loader magic: 0x557f500c28
[ 7.816] (II) Module ABI versions:
[ 7.816] X.Org ANSI C Emulation: 0.4
[ 7.816] X.Org Video Driver: 24.1
[ 7.816] X.Org XInput driver : 24.1
[ 7.816] X.Org Server Extension : 10.0
[ 7.817] (II) xfree86: Adding drm device (/dev/dri/card1)
[ 7.828] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 7.829] (II) no primary bus or device found
[ 7.829] falling back to /sys/devices/platform/gpu/drm/card1
[ 7.829] (II) LoadModule: "glx"
[ 7.853] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 8.117] (II) Module glx: vendor="X.Org Foundation"
[ 8.117] compiled for 1.20.8, module version = 1.0.0
[ 8.117] ABI class: X.Org Server Extension, version 10.0
[ 8.117] (==) Matched modesetting as autoconfigured driver 0
[ 8.117] (==) Matched fbdev as autoconfigured driver 1
[ 8.117] (==) Assigned the driver to the xf86ConfigLayout
[ 8.117] (II) LoadModule: "modesetting"
[ 8.118] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 8.127] (II) Module modesetting: vendor="X.Org Foundation"
[ 8.127] compiled for 1.20.8, module version = 1.20.8
[ 8.127] Module class: X.Org Video Driver
[ 8.127] ABI class: X.Org Video Driver, version 24.1
[ 8.127] (II) LoadModule: "fbdev"
[ 8.128] (WW) Warning, couldn't open module fbdev
[ 8.128] (EE) Failed to load module "fbdev" (module does not exist, 0)
[ 8.128] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 8.128] (--) using VT number 2
[ 8.153] (II) modeset(0): using drv /dev/dri/card1
[ 8.154] (II) modeset(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 24/32
[ 8.154] (==) modeset(0): Depth 24, (==) framebuffer bpp 32
[ 8.154] (==) modeset(0): RGB weight 888
[ 8.154] (==) modeset(0): Default visual is TrueColor
[ 8.154] (II) Loading sub module "glamoregl"
[ 8.154] (II) LoadModule: "glamoregl"
[ 8.154] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[ 8.291] (II) Module glamoregl: vendor="X.Org Foundation"
[ 8.291] compiled for 1.20.8, module version = 1.0.1
[ 8.291] ABI class: X.Org ANSI C Emulation, version 0.4
[ 8.895] (II) modeset(0): glamor X acceleration enabled on V3D 4.2
[ 8.895] (II) modeset(0): glamor initialized
[ 8.895] (II) modeset(0): Output DSI-1 has no monitor section
[ 8.896] (II) modeset(0): EDID for output DSI-1
[ 8.896] (II) modeset(0): Printing probed modes for output DSI-1
[ 8.896] (II) modeset(0): Modeline "FIXED_MODE"x60.0 27.78 800 861 863 907 480 487 489 510 +hsync +vsync (30.6 kHz eP)
[ 8.896] (II) modeset(0): Output DSI-1 connected
[ 8.896] (II) modeset(0): Using exact sizes for initial modes
[ 8.896] (II) modeset(0): Output DSI-1 using initial mode FIXED_MODE +0+0
[ 8.896] (==) modeset(0): Using gamma correction (1.0, 1.0, 1.0)
[ 8.896] (==) modeset(0): DPI set to (96, 96)
[ 8.896] (II) Loading sub module "fb"
[ 8.896] (II) LoadModule: "fb"
[ 8.896] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 8.902] (II) Module fb: vendor="X.Org Foundation"
[ 8.902] compiled for 1.20.8, module version = 1.0.0
[ 8.902] ABI class: X.Org ANSI C Emulation, version 0.4
[ 9.108] (==) modeset(0): Backing store enabled
[ 9.108] (==) modeset(0): Silken mouse enabled
[ 9.190] (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
[ 9.190] (==) modeset(0): DPMS enabled
[ 9.190] (II) modeset(0): [DRI2] Setup complete
[ 9.190] (II) modeset(0): [DRI2] DRI driver: vc4
[ 9.190] (II) modeset(0): [DRI2] VDPAU driver: vc4
[ 9.190] (II) Initializing extension Generic Event Extension
[ 9.190] (II) Initializing extension SHAPE
[ 9.190] (II) Initializing extension MIT-SHM
[ 9.190] (II) Initializing extension XInputExtension
[ 9.198] (II) Initializing extension XTEST
[ 9.198] (II) Initializing extension BIG-REQUESTS
[ 9.198] (II) Initializing extension SYNC
[ 9.198] (II) Initializing extension XKEYBOARD
[ 9.198] (II) Initializing extension XC-MISC
[ 9.198] (II) Initializing extension XFIXES
[ 9.198] (II) Initializing extension RENDER
[ 9.198] (II) Initializing extension RANDR
[ 9.198] (II) Initializing extension COMPOSITE
[ 9.198] (II) Initializing extension DAMAGE
[ 9.198] (II) Initializing extension MIT-SCREEN-SAVER
[ 9.198] (II) Initializing extension DOUBLE-BUFFER
[ 9.198] (II) Initializing extension DPMS
[ 9.198] (II) Initializing extension Present
[ 9.198] (II) Initializing extension DRI3
[ 9.198] (II) Initializing extension X-Resource
[ 9.198] (II) Initializing extension XVideo
[ 9.198] (II) Initializing extension XVideo-MotionCompensation
[ 9.198] (II) Initializing extension GLX
[ 9.208] (II) AIGLX: Loaded and initialized vc4
[ 9.208] (II) GLX: Initialized DRI2 GL provider for screen 0
[ 9.208] (II) Initializing extension XFree86-VidModeExtension
[ 9.208] (II) Initializing extension XFree86-DGA
[ 9.208] (II) Initializing extension XFree86-DRI
[ 9.210] (II) Initializing extension DRI2
[ 9.217] (II) modeset(0): Damage tracking initialized
[ 9.217] (II) modeset(0): Setting screen physical size to 211 x 127
[ 9.357] (II) config/udev: Adding input device raspberrypi-ts (/dev/input/event0)
[ 9.357] (**) raspberrypi-ts: Applying InputClass "evdev touchscreen catchall"
[ 9.357] (**) raspberrypi-ts: Applying InputClass "libinput touchscreen catchall"
[ 9.357] (**) raspberrypi-ts: Applying InputClass "tslib touchscreen"
[ 9.357] (II) LoadModule: "tslib"
[ 9.357] (II) Loading /usr/lib/xorg/modules/input/tslib_drv.so
[ 9.361] (II) Module tslib: vendor="X.Org Foundation"
[ 9.361] compiled for 1.20.8, module version = 0.0.1
[ 9.361] Module class: X.Org XInput Driver
[ 9.361] ABI class: X.Org XInput driver, version 24.1
[ 9.361] (II) Using input driver 'tslib' for 'raspberrypi-ts'
[ 9.361] (**) raspberrypi-ts: always reports core events
[ 9.361] (**) raspberrypi-ts: always reports core events
[ 9.368] (**) Option "config_info" "udev:/sys/devices/platform/soc/soc:firmware/soc:firmware:touchscreen/input/input0/event0"
[ 9.368] (II) XINPUT: Adding extended input device "raspberrypi-ts" (type: TOUCHSCREEN, id 6)
[ 9.368] (**) raspberrypi-ts: (accel) keeping acceleration scheme 1
[ 9.368] (**) raspberrypi-ts: (accel) acceleration profile 0
[ 9.368] (**) raspberrypi-ts: (accel) acceleration factor: 2.000
[ 9.368] (**) raspberrypi-ts: (accel) acceleration threshold: 4
[ 9.369] (II) config/udev: Adding input device raspberrypi-ts (/dev/input/mouse0)
[ 9.369] (**) raspberrypi-ts: Applying InputClass "tslib touchscreen"
[ 9.369] (II) Using input driver 'tslib' for 'raspberrypi-ts'
[ 9.369] (**) raspberrypi-ts: always reports core events
[ 9.369] (**) raspberrypi-ts: always reports core events
[ 9.369] (**) Option "config_info" "udev:/sys/devices/platform/soc/soc:firmware/soc:firmware:touchscreen/input/input0/mouse0"
[ 9.369] (II) XINPUT: Adding extended input device "raspberrypi-ts" (type: TOUCHSCREEN, id 7)
[ 9.369] (**) raspberrypi-ts: (accel) keeping acceleration scheme 1
[ 9.369] (**) raspberrypi-ts: (accel) acceleration profile 0
[ 9.369] (**) raspberrypi-ts: (accel) acceleration factor: 2.000
[ 9.369] (**) raspberrypi-ts: (accel) acceleration threshold: 4
[ 24.290] (II) modeset(0): Disabling kernel dirty updates, not required.
编辑 ：我没有找到问题，但我找到了替代方案：
我将 DM 从 LXDE 更改为 XFCE4。