On Sun, 4 Dec 2005, Willi Mann wrote: > > > To get more information, turn on USB verbose debugging (CONFIG_USB_DEBUG) > > in the kernel configuration and rebuild the USB drivers. Post the kernel > > or dmesg log showing what happens when the connection is lost. > > I've used the debian source for that. They currently don't patch > anything usb-related. I've set CONFIG_USB_DEBUG=y and changed the > processor family to Pentium M. These are the only differences to the > distributed debian kernels. > > Unfortunatly, when the connection is lost, there is no message in dmesg. > And there's also no message when the connection is reactivated. (By chvt > 1 && sleep 1 && chvt 7)
Then the problem must be unrelated to the USB stack. > when I unplug and replug the mouse, the following happens: > > hub 2-0:1.0: state 5 ports 2 chg 0000 evt 0004 > uhci_hcd 0000:00:1d.1: port 2 portsc 008a,00 > hub 2-0:1.0: port 2, status 0100, change 0003, 12 Mb/s > usb 2-2: USB disconnect, address 3 > usb 2-2: usb_disable_device nuking all URBs > usb 2-2: unregistering interface 2-2:1.0 > usb 2-2:1.0: hotplug > usb 2-2: unregistering device > usb 2-2: hotplug > hub 2-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x100 > hub 4-0:1.0: state 5 ports 6 chg 0000 evt 0010 > ehci_hcd 0000:00:1d.7: GetStatus port 4 status 001403 POWER sig=k CSC > CONNECT > hub 4-0:1.0: port 4, status 0501, change 0001, 480 Mb/s > hub 4-0:1.0: debounce: port 4: total 100ms stable 100ms status 0x501 > ehci_hcd 0000:00:1d.7: port 4 low speed --> companion > ehci_hcd 0000:00:1d.7: GetStatus port 4 status 003002 POWER OWNER > sig=se0 CSC > hub 2-0:1.0: state 5 ports 2 chg 0000 evt 0004 > uhci_hcd 0000:00:1d.1: port 2 portsc 01a3,00 > hub 2-0:1.0: port 2, status 0301, change 0001, 1.5 Mb/s > hub 2-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x301 > usb 2-2: new low speed USB device using uhci_hcd and address 4 > usb 2-2: skipped 1 descriptor after interface > usb 2-2: default language 0x0409 > usb 2-2: new device strings: Mfr=1, Product=2, SerialNumber=0 > usb 2-2: Product: USB Mouse > usb 2-2: Manufacturer: Logitech > usb 2-2: hotplug > usb 2-2: adding 2-2:1.0 (config #1, interface 0) > usb 2-2:1.0: hotplug > usbhid 2-2:1.0: usb_probe_interface > usbhid 2-2:1.0: usb_probe_interface - got id > input: USB HID v1.10 Mouse [Logitech USB Mouse] on usb-0000:00:1d.1-2 > hub 2-0:1.0: state 5 ports 2 chg 0000 evt 0004 That's all normal. > Is there some usb sniffer for linux around? Maybe that would shed some > more light on this issue. Yes. Read Documentation/usb/usbmon.txt in the kernel source. Alan Stern -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
