从 focal 升级到 jammy 后,SDDM 在尝试切换用户时冻结

从 focal 升级到 jammy 后,SDDM 在尝试切换用户时冻结

kubuntu 从 focal 升级到 jammy 后,尝试切换用户时,SDDM 显示切换用户屏幕,但不响应键盘或鼠标,因此无法切换。升级前一切正常。我该怎么办?

Graphics:
  Device-1: Intel WhiskeyLake-U GT2 [UHD Graphics 620] driver: i915 v: kernel
  Device-2: Cheng Uei Precision Industry (Foxlink) HP Wide Vision HD
    Integrated Webcam
    type: USB driver: uvcvideo
  Display: server: X.Org v: 1.21.1.3 driver: X: loaded: modesetting
    unloaded: fbdev,vesa gpu: i915 resolution: 1920x1080~60Hz
  OpenGL: renderer: Mesa Intel UHD Graphics 620 (WHL GT2)
    v: 4.6 Mesa 22.0.5

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