может быть у вас клавиатура убегает на другой /dev/input/event* после переключения KVM?
по event-ам не проверял, что на вскидку нашлось :
lsusb > a
ПЕРЕКЛЮЧЕНИЕ KVM
lsusb > b
diff -u a b
------
--- a 2025-03-03 20:47:56.885031246 +0300
+++ b 2025-03-03 20:48:31.228402331 +0300
@@ -1,5 +1,5
@@ Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 8087:0032 Intel Corp. AX210 Bluetooth
-Bus 001 Device 041: ID 05e3:0610 Genesys Logic, Inc. Hub
-Bus 001 Device 042: ID 046d:c534 Logitech, Inc. Nano Receiver
+Bus 001 Device 043: ID 05e3:0610 Genesys Logic, Inc. Hub
+Bus 001 Device 044: ID 046d:c534 Logitech, Inc. Nano Receiver
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
cat /proc/bus/input/devices > a_events
ПЕРЕКЛЮЧЕНИЕ KVM
cat /proc/bus/input/devices > b_events
diff -u a_events b_events
------
--- a_events 2025-03-04 07:25:19.860139712 +0300
+++ b_events 2025-03-04 07:26:54.289013589 +0300
@@ -28,33 +28,6
@@ B: EV=3
B: KEY=8000 10000000000000 0
-I: Bus=0003 Vendor=046d Product=4023 Version=0111
-N: Name="Logitech Wireless Keyboard PID:4023"
-P: Phys=usb-0000:00:14.0-6.2/input1:1
-S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.2/1-6.2:1.1/0003:046D:C534.0002/0003:046D:4023.0003/input/input19
-U: Uniq=00-00-00-00
-H: Handlers=sysrq kbd event3 leds
-B: PROP=0
-B: EV=12001f
-B: KEY=3f00033fff 0 0 483ffff17aff32d bfd4444600000000 1 130ff38b17d007 ffff7bfad941dfff ffbeffdfffefffff fffffffffffffffe
-B: REL=1040
-B: ABS=100000000
-B: MSC=10
-B: LED=1f
-
-I: Bus=0003 Vendor=046d Product=4054 Version=0111
-N: Name="Logitech Wireless Mouse"
-P: Phys=usb-0000:00:14.0-6.2/input1:2
-S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.2/1-6.2:1.1/0003:046D:C534.0002/0003:046D:4054.0004/input/input20
-U: Uniq=26-c1-4b-2d
-H: Handlers=kbd mouse0 event4
-B: PROP=0
-B: EV=1f
-B: KEY=3f00033fff 0 0 483ffff17aff32d bfd4444600000000 ffff0001 130ff38b17d000 677bfad9415fed 19ed68000004400 10000002
-B: REL=1943
-B: ABS=100000000
-B: MSC=10
-
I: Bus=0019 Vendor=0000 Product=0000 Version=0000
N: Name="Dell Privacy Driver"
P: Phys=
@@ -147,3 +120,30
@@ B: EV=21
B: SW=140
+I: Bus=0003 Vendor=046d Product=4023 Version=0111
+N: Name="Logitech Wireless Keyboard PID:4023"
+P: Phys=usb-0000:00:14.0-6.2/input1:1
+S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.2/1-6.2:1.1/0003:046D:C534.0006/0003:046D:4023.0007/input/input30
+U: Uniq=00-00-00-00
+H: Handlers=sysrq kbd event3 leds
+B: PROP=0
+B: EV=12001f
+B: KEY=3f00033fff 0 0 483ffff17aff32d bfd4444600000000 1 130ff38b17d007 ffff7bfad941dfff ffbeffdfffefffff fffffffffffffffe
+B: REL=1040
+B: ABS=100000000
+B: MSC=10
+B: LED=1f
+
+I: Bus=0003 Vendor=046d Product=4054 Version=0111
+N: Name="Logitech Wireless Mouse"
+P: Phys=usb-0000:00:14.0-6.2/input1:2
+S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6.2/1-6.2:1.1/0003:046D:C534.0006/0003:046D:4054.0008/input/input31
+U: Uniq=26-c1-4b-2d
+H: Handlers=kbd mouse0 event4
+B: PROP=0
+B: EV=1f
+B: KEY=3f00033fff 0 0 483ffff17aff32d bfd4444600000000 ffff0001 130ff38b17d000 677bfad9415fed 19ed68000004400 10000002
+B: REL=1943
+B: ABS=100000000
+B: MSC=10
+