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reset low speed USB device using ehci_hcd

dmesg has such logs:
usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
# modprobe –help
modprobe: unrecognized option `–help’
Usage: modprobe [-v] [-V] [-C config-file] [-n] [-i] [-q] [-b] [-o <modname>] <modname> [parameters…]
modprobe -r [-n] [-i] [-v] <modulename> …
modprobe -l -t <dirname> [ -a <modulename> …]
#modprobe -r ehci_hcd
Sep  6 03:32:05 2hei.net kernel: usb 1-5.1: reset low speed USB device using ehci_hcd and address 4
Sep  6 03:33:44 2hei.net kernel: ehci_hcd 0000:00:1d.7: remove, state 1
Sep  6 03:33:44 2hei.net kernel: usb usb1: USB disconnect, address 1
Sep  6 03:33:44 2hei.net kernel: usb 1-5: USB disconnect, address 3
Sep  6 03:33:44 2hei.net kernel: usb 1-5.1: USB disconnect, address 4
Sep  6 03:33:44 2hei.net kernel: ehci_hcd 0000:00:1d.7: USB bus 1 deregistered
Sep  6 03:33:44 2hei.net kernel: ACPI: PCI interrupt for device 0000:00:1d.7 disabled
Sep  6 03:33:44 2hei.net kernel: usb 4-1: new full speed USB device using uhci_hcd and address 2
Sep  6 03:33:44 2hei.net kernel: usb 4-1: configuration #1 chosen from 1 choice
Sep  6 03:33:44 2hei.net kernel: hub 4-1:1.0: USB hub found
Sep  6 03:33:44 2hei.net kernel: hub 4-1:1.0: 3 ports detected
Sep  6 03:33:44 2hei.net kernel: usb 4-1.1: new full speed USB device using uhci_hcd and address 3
Sep  6 03:33:44 2hei.net kernel: usb 4-1.1: configuration #1 chosen from 1 choice
Sep  6 03:33:44 2hei.net kernel: input: American Megatrends Inc. Virtual Keyboard and Mouse as /class/input/input4
Sep  6 03:33:44 2hei.net kernel: input: USB HID v1.10 Keyboard [American Megatrends Inc. Virtual Keyboard and Mouse] on usb-0000:00:1d.2-1.1
Sep  6 03:33:44 2hei.net kernel: input: American Megatrends Inc. Virtual Keyboard and Mouse as /class/input/input5
Sep  6 03:33:44 2hei.net kernel: input: USB HID v1.10 Mouse [American Megatrends Inc. Virtual Keyboard and Mouse] on usb-0000:00:1d.2-1.1

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该日志由 2hei 于2011年09月06日发表在 linux 分类下,
原创文章转载请注明: reset low speed USB device using ehci_hcd | 2hei's site

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