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 ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
