When reconnecting a USB keyboard to my system, I got this stream of messages in `/var/log/syslog`:
Code:
Mar 31 22:35:01 gatsby kernel: [442633.491562] usb 2-1.2: new low speed USB device using ehci_hcd and address 79
Mar 31 22:35:01 gatsby kernel: [442633.579057] ehci_hcd 0000:00:1d.0: fatal error
Mar 31 22:35:01 gatsby kernel: [442633.585381] ehci_hcd 0000:00:1d.0: force halt; handshake ffffc90000674824 00004000 00004000 -> -110
Mar 31 22:35:01 gatsby kernel: [442633.585389] ehci_hcd 0000:00:1d.0: HC died; cleaning up
Mar 31 22:35:01 gatsby kernel: [442633.598955] usb 2-1.2: device descriptor read/all, error -108
Mar 31 22:35:01 gatsby kernel: [442633.598961] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598974] hub 2-1:1.0: cannot reset port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598977] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598983] hub 2-1:1.0: cannot reset port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598987] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598992] hub 2-1:1.0: cannot reset port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598995] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598998] hub 2-1:1.0: unable to enumerate USB device on port 2
Mar 31 22:35:01 gatsby kernel: [442633.599002] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.599015] usb 2-1: USB disconnect, address 2
A normal set of log messages for the same event looks like this:
Code:
Mar 31 16:36:44 gatsby kernel: [421175.156518] usb 2-1.2: new low speed USB device using ehci_hcd and address 74
Mar 31 16:36:44 gatsby kernel: [421175.278006] input: Dell Dell USB Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/input/input63
Mar 31 16:36:44 gatsby kernel: [421175.278256] generic-usb 0003:413C:2003.0038: input,hidraw0: USB HID v1.10 Keyboard [Dell Dell USB Keyboard] on usb-0000:00:1d.0-1.2/input0
Since that error was logged, the system will no longer respond to the connection of USB devices. There is no record of these events in either `/var/log/syslog` or via `dmesg`.
I'm running 10.10 on an Acer Aspire 5742 laptop. It may be relevant that both my HECI controller and SMBus show up as `UNCLAIMED` in the output from `lshWhen reconnecting a USB keyboard to my system, I got this stream of messages in `/var/log/syslog`:
Code:
Mar 31 22:35:01 gatsby kernel: [442633.491562] usb 2-1.2: new low speed USB device using ehci_hcd and address 79
Mar 31 22:35:01 gatsby kernel: [442633.579057] ehci_hcd 0000:00:1d.0: fatal error
Mar 31 22:35:01 gatsby kernel: [442633.585381] ehci_hcd 0000:00:1d.0: force halt; handshake ffffc90000674824 00004000 00004000 -> -110
Mar 31 22:35:01 gatsby kernel: [442633.585389] ehci_hcd 0000:00:1d.0: HC died; cleaning up
Mar 31 22:35:01 gatsby kernel: [442633.598955] usb 2-1.2: device descriptor read/all, error -108
Mar 31 22:35:01 gatsby kernel: [442633.598961] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598974] hub 2-1:1.0: cannot reset port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598977] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598983] hub 2-1:1.0: cannot reset port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598987] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598992] hub 2-1:1.0: cannot reset port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598995] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.598998] hub 2-1:1.0: unable to enumerate USB device on port 2
Mar 31 22:35:01 gatsby kernel: [442633.599002] hub 2-1:1.0: cannot disable port 2 (err = -19)
Mar 31 22:35:01 gatsby kernel: [442633.599015] usb 2-1: USB disconnect, address 2
A normal set of log messages for the same event looks like this:
Code:
Mar 31 16:36:44 gatsby kernel: [421175.156518] usb 2-1.2: new low speed USB device using ehci_hcd and address 74
Mar 31 16:36:44 gatsby kernel: [421175.278006] input: Dell Dell USB Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/input/input63
Mar 31 16:36:44 gatsby kernel: [421175.278256] generic-usb 0003:413C:2003.0038: input,hidraw0: USB HID v1.10 Keyboard [Dell Dell USB Keyboard] on usb-0000:00:1d.0-1.2/input0
Since that error was logged, the system will no longer respond to the connection of USB devices. There is no record of these events in either `/var/log/syslog` or via `dmesg`.
I'm running 10.10 on an Acer Aspire 5742 laptop. It may be relevant that both my HECI controller and SMBus show up as `UNCLAIMED` in the output from `lshw`. They are both listed as being `/^\s*product: 5 Series/3400 Series Chipset (HECI|SMBus) Controller/`.
I'm booting with the `acpi_osi=` kernel argument.
I'd like to know how I can
- recover from such situations without rebooting the machine
- prevent these problems from occurring in the first place.
I tried
$ sudo modprobe -r usbhid ; sudo modprobe usbhid
This logged the following to `/var/log/syslog`
Code:
Apr 1 00:41:10 gatsby kernel: [450189.768916] usbcore: deregistering interface driver usbhid
Apr 1 00:41:10 gatsby kernel: [450189.768960] usbcore: deregistering interface driver hiddev
Apr 1 00:41:10 gatsby kernel: [450189.823210] usbcore: registered new interface driver hiddev
Apr 1 00:41:10 gatsby kernel: [450189.823246] usbcore: registered new interface driver usbhid
Apr 1 00:41:10 gatsby kernel: [450189.823250] usbhid: USB HID core driver
but otherwise had no effect: newly-connected USB devices still do not work, nor are any syslog messages generated in response to their connection.
I tried connecting devices to two different USB ports on different sides of the machine, both to the same non-effect.
I've posted similarly at Ubuntu questions and at AskUbuntu.com.w`. They are both listed as being `/^\s*product: 5 Series/3400 Series Chipset (HECI|SMBus) Controller/`.
I'm booting with the `acpi_osi=` kernel argument.
I'd like to know how I can
- recover from such situations without rebooting the machine
- prevent these problems from occurring in the first place.
I tried
Code:
$ sudo modprobe -r usbhid ; sudo modprobe usbhid
This logged the following to `/var/log/syslog`
Code:
Apr 1 00:41:10 gatsby kernel: [450189.768916] usbcore: deregistering interface driver usbhid
Apr 1 00:41:10 gatsby kernel: [450189.768960] usbcore: deregistering interface driver hiddev
Apr 1 00:41:10 gatsby kernel: [450189.823210] usbcore: registered new interface driver hiddev
Apr 1 00:41:10 gatsby kernel: [450189.823246] usbcore: registered new interface driver usbhid
Apr 1 00:41:10 gatsby kernel: [450189.823250] usbhid: USB HID core driver
but otherwise had no effect: newly-connected USB devices still do not work, nor are any syslog messages generated in response to their connection.
I tried connecting devices to two different USB ports on different sides of the machine, both to the same non-effect.
I've posted similarly at Ubuntu questions and at AskUbuntu.com.
Adv Reply
Bookmarks