我有 2 个扩展坞（均为 USB-C）。我昨天使用了第二个，今天更换扩展坞时，我无法访问我的第二台显示器。（第一个显示器使用 HDMI 端口直接连接到笔记本电脑）。我的输出如下：
当我运行journalctl -b命令时：
-- Logs begin at Tue 2022-10-18 08:31:59 EDT, end at Fri 2023-03-10 08:47:09 EST. --
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: Linux version 5.15.0-67-generic (buildd@lcy02-amd64-029) (gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #74~20.04.1-Ubun>
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-67-generic root=UUID=e0d80885-4d8c-436d-ac6b-fee0dc94268c ro quiet splash vt.handoff=7
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: KERNEL supported cpus:
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: Intel GenuineIntel
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: AMD AuthenticAMD
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: Hygon HygonGenuine
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: Centaur CentaurHauls
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: zhaoxin Shanghai
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers'
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: x86/fpu: xstate_offset[9]: 832, xstate_sizes[9]: 8
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: x86/fpu: Enabled xstate features 0x207, context size is 840 bytes, using 'compacted' format.
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: signal: max sigframe size: 3376
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-provided physical RAM map:
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009efff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x0000000000100000-0x0000000009bfffff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x0000000009c00000-0x0000000009da0fff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x0000000009da1000-0x0000000009efffff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x0000000009f00000-0x0000000009f0efff] ACPI NVS
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x0000000009f0f000-0x00000000c727dfff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000c727e000-0x00000000cb47dfff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000cb47e000-0x00000000cd57dfff] ACPI NVS
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000cd57e000-0x00000000cd5fdfff] ACPI data
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000cd5fe000-0x00000000ce7fffff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000ce800000-0x00000000cfffffff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000fdc00000-0x00000000fdcfffff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000fe000000-0x00000000fe0fffff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000000fed80000-0x00000000fed80fff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x0000000100000000-0x00000003ae2fffff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: BIOS-e820: [mem 0x00000003ae300000-0x000000042fffffff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: NX (Execute Disable) protection: active
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: e820: update [mem 0x85d39018-0x85d46857] usable ==> usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: e820: update [mem 0x85d39018-0x85d46857] usable ==> usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: extended physical RAM map:
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000000000000-0x000000000009efff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x000000000009f000-0x000000000009ffff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000000100000-0x0000000009bfffff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000009c00000-0x0000000009da0fff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000009da1000-0x0000000009efffff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000009f00000-0x0000000009f0efff] ACPI NVS
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000009f0f000-0x0000000085d39017] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000085d39018-0x0000000085d46857] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x0000000085d46858-0x00000000c727dfff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x00000000c727e000-0x00000000cb47dfff] reserved
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x00000000cb47e000-0x00000000cd57dfff] ACPI NVS
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x00000000cd57e000-0x00000000cd5fdfff] ACPI data
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x00000000cd5fe000-0x00000000ce7fffff] usable
Mar 04 16:54:46 fahim-IdeaPad-3-15ABA7 kernel: reserve setup_data: [mem 0x00000000ce800000-0x00000000cfffffff] reserved
当我运行xrandr命令时：
Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 16384 x 16384
eDP connected primary 1920x1080+1920+0 (normal left inverted right x axis y axis) 344mm x 194mm
1920x1080 60.04*+
1680x1050 60.04
1280x1024 60.04
1440x900 60.04
1280x800 60.04
1280x720 60.04
1024x768 60.04
800x600 60.04
640x480 60.04
HDMI-A-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 597mm x 336mm
1920x1080 60.00*+ 74.97 50.00 59.94
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1280x800 59.91
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
720x576 50.00
720x480 60.00 59.94
640x480 75.00 72.81 66.67 60.00 59.94
720x400 70.08
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-2 disconnected (normal left inverted right x axis y axis)
DisplayPort-3 disconnected (normal left inverted right x axis y axis)
当我运行lshw -C display命令时：
WARNING: you should run this program as super-user.
*-display
description: VGA compatible controller
product: Advanced Micro Devices, Inc. [AMD/ATI]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:04:00.0
version: c1
width: 64 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list
configuration: driver=amdgpu latency=0
resources: iomemory:40-3f iomemory:40-3f irq:49 memory:460000000-46fffffff memory:470000000-4701fffff ioport:1000(size=256) memory:fd400000-fd47ffff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
最后，当我运行lsusb命令时：
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 0bda:4853 Realtek Semiconductor Corp. Bluetooth Radio
Bus 003 Device 002: ID 27c6:550a Shenzhen Goodix Technology Co.,Ltd. FingerPrint
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 007: ID 0bda:0411 Realtek Semiconductor Corp. 4-Port USB 3.0 Hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 04f2:b725 Chicony Electronics Co., Ltd Integrated Camera
Bus 001 Device 025: ID 1ea7:0066 SHARKOON Technologies GmbH [Mediatrack Edge Mini Keyboard]
Bus 001 Device 024: ID 0bda:5411 Realtek Semiconductor Corp. 4-Port USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
笔记：这以前在同一个 usb-c docker 中也用过。如有任何建议，我将不胜感激！