$ tail /var/log/syslog |grep USB
Nov 19 19:50:09 petav kernel: [ 7049.290154] usb 3-2: USB disconnect, address 4
Nov 19 19:50:16 petav kernel: [ 7055.330096] usb 4-1: new low speed USB device using uhci_hcd and address 4
Nov 19 19:50:17 petav kernel: [ 7056.800797] input: PIXART USB OPTICAL MOUSE as /devices/pci0000:00/0000:00:1d.2/usb4/4-1/4-1:1.0/input/input11
Nov 19 19:50:17 petav kernel: [ 7056.801100] generic-usb 0003:093A:2510.0005: input,hidraw0: USB HID v1.10 Mouse [PIXART USB OPTICAL MOUSE] on usb-0000:00:1d.2-1/input0
Nov 19 19:50:31 petav kernel: [ 7070.790149] usb 4-1: USB disconnect, address 4
Nov 19 19:50:38 petav kernel: [ 7077.360091] usb 3-2: new low speed USB device using uhci_hcd and address 5
Nov 19 19:50:38 petav kernel: [ 7077.565754] input: PIXART USB OPTICAL MOUSE as /devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.0/input/input12
Nov 19 19:50:38 petav kernel: [ 7077.566038] generic-usb 0003:093A:2510.0006: input,hidraw0: USB HID v1.10 Mouse [PIXART USB OPTICAL MOUSE] on usb-0000:00:1d.1-2/input0
На ноуте 3 порта USB, в двух портах мышь тормозит не подетски, двигается рывками. В одном все хорошо
$ lsusb
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 1edf:6003
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 006: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth + WLAN) Interface [Integrated Module]
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ lsusb -t
2-1:1.2: No such file or directory
2-1:1.3: No such file or directory
4-2:2.2: No such file or directory
4-2:2.3: No such file or directory
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
|__ Port 2: Dev 2, If 0, Class=comm., Driver=cdc_acm, 12M
|__ Port 2: Dev 2, If 1, Class=data, Driver=cdc_acm, 12M
|__ Port 2: Dev 2, If 2, Class=vend., Driver=, 12M
|__ Port 2: Dev 2, If 3, Class=vend., Driver=, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
|__ Port 2: Dev 6, If 0, Class=HID, Driver=usbhid, 1.5M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
|__ Port 1: Dev 2, If 0, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
|__ Port 1: Dev 2, If 1, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
|__ Port 1: Dev 2, If 2, Class=vend., Driver=, 12M
|__ Port 1: Dev 2, If 3, Class=app., Driver=, 12M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/8p, 480M