当重新连接到Linux时，KVM交换机会滞后。
当重新连接到Linux时，KVM交换机会滞后。
提问于 2021-08-12 20:49:46
我有这个IOGear GCS22U 2端口KVM交换机，我用它在我的Manjaro机器(LinuxManjaro5.10.56-1-vfio-LTS)和我的Windows 10机器之间切换。我使用的是海盗船K95 RGB键盘和罗技G403英雄鼠标。
当切换到Windows机器时，它会立即检测并使用键盘。当我的Linux系统检测到它时，让我们以每秒1/2的速度运行，重新聚合，重复两次，然后正常运行。我想知道是否有一种方法可以让Linux只重新连接一次，并且是即时的呢？像一直加载硬件配置这样的东西吗？
此影响显示在鼠标上，因为光标执行此连接/断开效果。而键盘在这个循环完成之前不允许使用(2秒)。
Dmesg -w最后几行以键盘/鼠标完成的输出在(重新)与KVM开关连接后完成：
[23017.065347] usb 3-1: USB disconnect, device number 22
[23017.261618] usb 3-2: USB disconnect, device number 23
[23021.531242] usb 3-1: new full-speed USB device number 24 using xhci_hcd
[23021.737486] usb 3-1: New USB device found, idVendor=1b1c, idProduct=1b11, bcdDevice= 2.04
[23021.737490] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[23021.737492] usb 3-1: Product: Corsair K95 RGB Gaming Keyboard
[23021.737493] usb 3-1: Manufacturer: Corsair
[23021.737494] usb 3-1: SerialNumber: 1901F044AE3B94035375958DF5001946
[23021.776179] input: Corsair Corsair K95 RGB Gaming Keyboard as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-1/3-1:1.0/0003:1B1C:1B11.0035/input/input169
[23021.776460] hid-generic 0003:1B1C:1B11.0035: input,hidraw4: USB HID v1.11 Keyboard [Corsair Corsair K95 RGB Gaming Keyboard ] on usb-0000:11:00.3-1/input0
[23021.789240] input: Corsair Corsair K95 RGB Gaming Keyboard Keyboard as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-1/3-1:1.1/0003:1B1C:1B11.0036/input/input170
[23021.789369] input: Corsair Corsair K95 RGB Gaming Keyboard Consumer Control as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-1/3-1:1.1/0003:1B1C:1B11.0036/input/input171
[23021.789419] input: Corsair Corsair K95 RGB Gaming Keyboard as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-1/3-1:1.1/0003:1B1C:1B11.0036/input/input172
[23021.789469] input: Corsair Corsair K95 RGB Gaming Keyboard as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-1/3-1:1.1/0003:1B1C:1B11.0036/input/input173
[23021.789542] hid-generic 0003:1B1C:1B11.0036: input,hiddev98,hidraw5: USB HID v1.11 Keyboard [Corsair Corsair K95 RGB Gaming Keyboard ] on usb-0000:11:00.3-1/input1
[23021.789595] usbhid 3-1:1.2: couldn't find an input interrupt endpoint
[23021.931587] usb 3-2: new full-speed USB device number 25 using xhci_hcd
[23022.134494] usb 3-2: New USB device found, idVendor=046d, idProduct=c08f, bcdDevice=45.01
[23022.134498] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[23022.134500] usb 3-2: Product: G403 HERO Gaming Mouse
[23022.134501] usb 3-2: Manufacturer: Logitech
[23022.134503] usb 3-2: SerialNumber: 097A39633530
[23022.169133] input: Logitech G403 HERO Gaming Mouse as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-2/3-2:1.0/0003:046D:C08F.0037/input/input174
[23022.169370] hid-generic 0003:046D:C08F.0037: input,hidraw6: USB HID v1.11 Mouse [Logitech G403 HERO Gaming Mouse] on usb-0000:11:00.3-2/input0
[23022.178445] input: Logitech G403 HERO Gaming Mouse Keyboard as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-2/3-2:1.1/0003:046D:C08F.0038/input/input175
[23022.241635] input: Logitech G403 HERO Gaming Mouse Consumer Control as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-2/3-2:1.1/0003:046D:C08F.0038/input/input176
[23022.241697] input: Logitech G403 HERO Gaming Mouse System Control as /devices/pci0000:00/0000:00:07.1/0000:11:00.3/usb3/3-2/3-2:1.1/0003:046D:C08F.0038/input/input177
[23022.241797] hid-generic 0003:046D:C08F.0038: input,hiddev99,hidraw7: USB HID v1.11 Keyboard [Logitech G403 HERO Gaming Mouse] on usb-0000:11:00.3-2/input1
[23023.691748] input: ckb1: Corsair K95 RGB Gaming Keyboard vKB as /devices/virtual/input/input180
[23023.692018] input: ckb1: Corsair K95 RGB Gaming Keyboard vM as /devices/virtual/input/input181回答 1
Unix & Linux用户
发布于 2021-08-13 12:52:42
当您将KDM切换到Linux时，您的问题可能与Linux需要加载设备驱动程序有关。要检查这一点，请执行以下操作：
打开终点站。输入dmesg -w。此程序将显示所有正在启用和禁用的设备的日志。(尝试插入USB驱动器或类似设备，看看会发生什么)。
现在，您有了一个工具，可以真正了解执行KVM切换时会发生什么。希望您能看到一个或多个驱动程序正在加载和卸载。如果是这样的话，您需要看看是否可以在内核中永久加载这些驱动程序。有几种方法可以做到这一点，一些快速谷歌应该至少把你推向正确的方向。
这可能是一个好的开始：https://stackoverflow.com/questions/10858313/want-to-permanently-mount-kernel-driver-into-system
页面原文内容由Unix & Linux提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://unix.stackexchange.com/questions/664465
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