USB disconnect
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Expired
|
Medium
|
Unassigned |
Bug Description
USB ports are often resetted and disconnected.
Below an example sequence:
[mar giu 12 18:57:22 2012] usb 2-1.6: reset low-speed USB device number 106 using ehci_hcd
[mar giu 12 18:57:22 2012] usb 2-1.6: USB disconnect, device number 106
[mar giu 12 18:57:22 2012] usb 2-1: reset high-speed USB device number 105 using ehci_hcd
[mar giu 12 18:57:23 2012] usb 2-1.6: new low-speed USB device number 107 using ehci_hcd
[mar giu 12 18:57:23 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/
[mar giu 12 18:57:23 2012] generic-usb 0003:04F2:
[mar giu 12 18:57:23 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/
[mar giu 12 18:57:23 2012] generic-usb 0003:04F2:
[mar giu 12 18:57:23 2012] usb 2-1: USB disconnect, device number 105
[mar giu 12 18:57:23 2012] usb 2-1.6: USB disconnect, device number 107
[mar giu 12 18:57:23 2012] usb 2-1: new high-speed USB device number 108 using ehci_hcd
[mar giu 12 18:57:23 2012] hub 2-1:1.0: USB hub found
[mar giu 12 18:57:23 2012] hub 2-1:1.0: 8 ports detected
[mar giu 12 18:57:24 2012] usb 1-1.3.1.3: reset full-speed USB device number 51 using ehci_hcd
[mar giu 12 18:57:24 2012] usb 2-1.6: new low-speed USB device number 109 using ehci_hcd
[mar giu 12 18:57:24 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/
[mar giu 12 18:57:24 2012] generic-usb 0003:04F2:
[mar giu 12 18:57:24 2012] input: Chicony 2.4G Multimedia Wireless Kit as /devices/
[mar giu 12 18:57:24 2012] generic-usb 0003:04F2:
[mar giu 12 18:57:24 2012] input: 3M 3M USB Touchscreen - EX II as /devices/
[mar giu 12 18:57:24 2012] usb 1-1.3.4: reset low-speed USB device number 50 using ehci_hcd
[mar giu 12 18:57:24 2012] usb 1-1.3.1.3: USB disconnect, device number 51
[mar giu 12 18:57:25 2012] usb 1-1.3.1: reset high-speed USB device number 49 using ehci_hcd
[mar giu 12 18:57:25 2012] usb 1-1.3.1.3: new full-speed USB device number 52 using ehci_hcd
[mar giu 12 18:57:25 2012] input: 3M 3M USB Touchscreen - EX II as /devices/
[mar giu 12 18:57:25 2012] usb 1-1.5.1: reset full-speed USB device number 48 using ehci_hcd
[mar giu 12 18:57:26 2012] usb 1-1.5.1: USB disconnect, device number 48
[mar giu 12 18:57:26 2012] usb 1-1.5: reset high-speed USB device number 42 using ehci_hcd
[mar giu 12 18:57:26 2012] usb 1-1.5.1: new full-speed USB device number 53 using ehci_hcd
[mar giu 12 18:57:26 2012] usb 1-1.3.1: USB disconnect, device number 49
[mar giu 12 18:57:26 2012] usb 1-1.3.1.3: USB disconnect, device number 52
[mar giu 12 18:57:26 2012] usb 1-1.3.4: USB disconnect, device number 50
[mar giu 12 18:57:26 2012] usb 1-1.3: reset high-speed USB device number 41 using ehci_hcd
[mar giu 12 18:57:27 2012] usb 1-1.3.1: new high-speed USB device number 54 using ehci_hcd
[mar giu 12 18:57:27 2012] hub 1-1.3.1:1.0: USB hub found
[mar giu 12 18:57:27 2012] hub 1-1.3.1:1.0: 4 ports detected
[mar giu 12 18:57:27 2012] usb 1-1.3.4: new low-speed USB device number 55 using ehci_hcd
[mar giu 12 18:57:27 2012] input: BIZLINK BIZ A01 V1.47 as /devices/
[mar giu 12 18:57:27 2012] generic-usb 0003:06C4:
[mar giu 12 18:57:27 2012] input: BIZLINK BIZ A01 V1.47 as /devices/
[mar giu 12 18:57:27 2012] generic-usb 0003:06C4:
[mar giu 12 18:57:27 2012] usb 1-1.3.1.3: new full-speed USB device number 56 using ehci_hcd
[mar giu 12 18:57:27 2012] usb 1-1.1: reset full-speed USB device number 36 using ehci_hcd
[mar giu 12 18:57:27 2012] generic-usb 0003:077A:
[mar giu 12 18:57:28 2012] input: 3M 3M USB Touchscreen - EX II as /devices/
description: | updated |
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1012291
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.