Dear Linux folks,
On the server Dell PowerEdge R730 with firmware 2.3.4, and Linux 4.9.2,
the connected USB mouse disconnects and connects again periodically.
This can be reproduced with two different (Logitech) mice.
```
$ more /proc/version
Linux version 4.9.0-1-amd64 (debian-ker...@lists.debian.org) (gcc
version 6.3.0 20161229 (Debian 6.3.0-2) ) #1 SMP Debian 4.9.2-2 (2017-01-12)
$ journalctl -o short-precise -k -f
[…]
Feb 08 12:00:16.193817 poweredger730 kernel: usb 3-2: USB disconnect,
device number 84
Feb 08 12:00:17.721833 poweredger730 kernel: usb 3-2: new low-speed USB
device number 85 using xhci_hcd
Feb 08 12:00:17.861816 poweredger730 kernel: usb 3-2: New USB device
found, idVendor=046d, idProduct=c077
Feb 08 12:00:17.862115 poweredger730 kernel: usb 3-2: New USB device
strings: Mfr=1, Product=2, SerialNumber=0
Feb 08 12:00:17.862281 poweredger730 kernel: usb 3-2: Product: USB
Optical Mouse
Feb 08 12:00:17.862451 poweredger730 kernel: usb 3-2: Manufacturer: Logitech
Feb 08 12:00:17.865813 poweredger730 kernel: input: Logitech USB Optical
Mouse as
/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/0003:046D:C077.042B/input/input1068
Feb 08 12:00:17.865890 poweredger730 kernel: hid-generic
0003:046D:C077.042B: input,hidraw0: USB HID v1.11 Mouse [Logitech USB
Optical Mouse] on usb-0000:00:14.0-2/input0
Feb 08 12:01:17.937834 poweredger730 kernel: usb 3-2: USB disconnect,
device number 85
Feb 08 12:01:19.469833 poweredger730 kernel: usb 3-2: new low-speed USB
device number 86 using xhci_hcd
Feb 08 12:01:19.609819 poweredger730 kernel: usb 3-2: New USB device
found, idVendor=046d, idProduct=c077
Feb 08 12:01:19.610125 poweredger730 kernel: usb 3-2: New USB device
strings: Mfr=1, Product=2, SerialNumber=0
Feb 08 12:01:19.610300 poweredger730 kernel: usb 3-2: Product: USB
Optical Mouse
Feb 08 12:01:19.610468 poweredger730 kernel: usb 3-2: Manufacturer: Logitech
Feb 08 12:01:19.613813 poweredger730 kernel: input: Logitech USB Optical
Mouse as
/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/0003:046D:C077.042C/input/input1069
Feb 08 12:01:19.613894 poweredger730 kernel: hid-generic
0003:046D:C077.042C: input,hidraw0: USB HID v1.11 Mouse [Logitech USB
Optical Mouse] on usb-0000:00:14.0-2/input0
Feb 08 12:02:19.697836 poweredger730 kernel: usb 3-2: USB disconnect,
device number 86
Feb 08 12:02:21.229835 poweredger730 kernel: usb 3-2: new low-speed USB
device number 87 using xhci_hcd
Feb 08 12:02:21.369810 poweredger730 kernel: usb 3-2: New USB device
found, idVendor=046d, idProduct=c077
Feb 08 12:02:21.370130 poweredger730 kernel: usb 3-2: New USB device
strings: Mfr=1, Product=2, SerialNumber=0
Feb 08 12:02:21.370328 poweredger730 kernel: usb 3-2: Product: USB
Optical Mouse
Feb 08 12:02:21.370481 poweredger730 kernel: usb 3-2: Manufacturer: Logitech
Feb 08 12:02:21.373811 poweredger730 kernel: input: Logitech USB Optical
Mouse as
/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/0003:046D:C077.042D/input/input1070
Feb 08 12:02:21.373888 poweredger730 kernel: hid-generic
0003:046D:C077.042D: input,hidraw0: USB HID v1.11 Mouse [Logitech USB
Optical Mouse] on usb-0000:00:14.0-2/input0
Feb 08 12:03:21.457834 poweredger730 kernel: usb 3-2: USB disconnect,
device number 87
Feb 08 12:03:22.989835 poweredger730 kernel: usb 3-2: new low-speed USB
device number 88 using xhci_hcd
Feb 08 12:03:23.129810 poweredger730 kernel: usb 3-2: New USB device
found, idVendor=046d, idProduct=c077
Feb 08 12:03:23.130117 poweredger730 kernel: usb 3-2: New USB device
strings: Mfr=1, Product=2, SerialNumber=0
Feb 08 12:03:23.130308 poweredger730 kernel: usb 3-2: Product: USB
Optical Mouse
Feb 08 12:03:23.130466 poweredger730 kernel: usb 3-2: Manufacturer: Logitech
Feb 08 12:03:23.133813 poweredger730 kernel: input: Logitech USB Optical
Mouse as
/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2:1.0/0003:046D:C077.042E/input/input1071
Feb 08 12:03:23.133890 poweredger730 kernel: hid-generic
0003:046D:C077.042E: input,hidraw0: USB HID v1.11 Mouse [Logitech USB
Optical Mouse] on usb-0000:00:14.0-2/input0
[…]
```
Here are more information from lsusb.
```
$ lsusb
Bus 002 Device 002: ID 8087:8002 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:800a Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 048: ID 413c:2107 Dell Computer Corp.
Bus 003 Device 097: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 003 Device 007: ID 413c:a102 Dell Computer Corp.
Bus 003 Device 005: ID 413c:a001 Dell Computer Corp. Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ sudo lsusb -s 003:094 -v # the second number increases
Bus 003 Device 094: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x046d Logitech, Inc.
idProduct 0xc077 M105 Optical Mouse
bcdDevice 72.00
iManufacturer 1 Logitech
iProduct 2 USB Optical Mouse
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 2 Mouse
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.11
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 46
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)
```
Could you please point me into the right directions, how to debug this
issue?
Kind regards,
Paul
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