Hello! I've been a little longer, but I could recompiled my kernel with the debug USB support.
This is the end of /var/log/message after retrying to get on the dongle: Feb 12 17:16:24 localhost kernel: [ 198.596000] usb 1-1: new full speed USB device using uhci_hcd and address 2 Feb 12 17:16:26 localhost kernel: [ 198.744000] usb 1-1: configuration #1 chosen from 1 choice Feb 12 17:17:05 localhost kernel: [ 238.848000] usb 1-1: USB disconnect, address 2 Feb 12 17:17:05 localhost kernel: [ 238.964000] usb 1-1: new full speed USB device using uhci_hcd and address 3 Feb 12 17:17:05 localhost kernel: [ 239.528000] usb 1-1: new full speed USB device using uhci_hcd and address 4 Feb 12 17:17:06 localhost kernel: [ 240.088000] usb 1-1: new full speed USB device using uhci_hcd and address 5 Feb 12 17:17:06 localhost kernel: [ 240.608000] usb 1-1: new full speed USB device using uhci_hcd and address 6 And this is the result of dmesg command : [ 25.557713] usbcore: registered new interface driver usbfs [ 25.558148] usbcore: registered new interface driver hub [ 25.558729] usbcore: registered new device driver usb [ 29.198934] usbmon: debugfs is not available [ 29.200060] drivers/usb/core/inode.c: creating file 'devices' [ 29.200191] drivers/usb/core/inode.c: creating file '001' [ 29.201018] usb usb1: default language 0x0409 [ 29.201081] usb usb1: new device strings: Mfr=3, Product=2, SerialNumber=1 [ 29.201109] usb usb1: Product: UHCI Host Controller [ 29.201132] usb usb1: Manufacturer: Linux 2.6.1920070212 uhci_hcd [ 29.201157] usb usb1: SerialNumber: 0000:00:01.2 [ 29.201288] usb usb1: uevent [ 29.201651] usb usb1: usb_probe_device [ 29.202431] usb usb1: configuration #1 chosen from 1 choice [ 29.202511] usb usb1: adding 1-0:1.0 (config #1, interface 0) [ 29.202634] usb 1-0:1.0: uevent [ 29.203039] hub 1-0:1.0: usb_probe_interface [ 29.203066] hub 1-0:1.0: usb_probe_interface - got id [ 29.203247] hub 1-0:1.0: no power switching (usb 1.0) [ 29.307268] drivers/usb/core/inode.c: creating file '001' [ 29.307967] usbcore: registered new interface driver libusual [ 30.322126] usb usb1: suspend_rh (auto-stop) [ 30.629495] usb 1-0:1.0: uevent [ 30.629842] usb usb1: uevent [ 35.120000] usb 1-0:1.0: uevent [ 35.120000] usb usb1: uevent [ 198.104000] usb usb1: wakeup_rh (auto-start) [ 198.596000] usb 1-1: new full speed USB device using uhci_hcd and address 2 [ 198.740000] usb 1-1: new device strings: Mfr=0, Product=0, SerialNumber=0 [ 198.744000] usb 1-1: uevent [ 198.744000] usb 1-1: usb_probe_device [ 198.744000] usb 1-1: configuration #1 chosen from 1 choice [ 198.748000] usb 1-1: adding 1-1:1.0 (config #1, interface 0) [ 198.748000] usb 1-1:1.0: uevent [ 198.748000] drivers/usb/core/inode.c: creating file '002' [ 200.748000] usb 1-1: usb auto-suspend [ 205.920000] usb 1-1: usb auto-resume [ 205.968000] usb 1-1: finish resume [ 207.972000] usb 1-1: usb auto-suspend [ 211.264000] usb 1-1: usb auto-resume [ 211.312000] usb 1-1: finish resume [ 214.620000] usb 1-1: usb auto-suspend [ 214.972000] usb 1-1: usb auto-resume [ 215.096000] usb 1-1: finish resume [ 224.940000] usb 1-1: usb auto-suspend [ 228.864000] usb 1-1: usb auto-resume [ 228.912000] usb 1-1: finish resume [ 232.348000] usb 1-1: usb auto-suspend [ 238.788000] usb 1-1: usb auto-resume [ 238.836000] usb 1-1: finish resume [ 238.836000] usb 1-1: uhci_result_common: failed with status 440000 [ 238.844000] usb 1-1: gone after usb resume? status -71 [ 238.848000] usb 1-1: can't resume, status -71 [ 238.848000] usb 1-1: USB disconnect, address 2 [ 238.848000] usb 1-1: unregistering device [ 238.848000] usb 1-1: usb_disable_device nuking all URBs [ 238.848000] usb 1-1: unregistering interface 1-1:1.0 [ 238.848000] usbdev1.2_ep01: ep_device_release called for usbdev1.2_ep01 [ 238.852000] usbdev1.2_ep82: ep_device_release called for usbdev1.2_ep82 [ 238.852000] usbdev1.2_ep83: ep_device_release called for usbdev1.2_ep83 [ 238.852000] usb 1-1:1.0: uevent [ 238.852000] usbdev1.2_ep00: ep_device_release called for usbdev1.2_ep00 [ 238.852000] usb 1-1: uevent [ 238.964000] usb 1-1: new full speed USB device using uhci_hcd and address 3 [ 238.964000] usb 1-1: uhci_result_common: failed with status 440000 [ 238.968000] usb 1-1: uhci_result_common: failed with status 440000 [ 238.972000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.088000] usb 1-1: device descriptor read/64, error -71 [ 239.192000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.196000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.200000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.312000] usb 1-1: device descriptor read/64, error -71 [ 239.528000] usb 1-1: new full speed USB device using uhci_hcd and address 4 [ 239.528000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.532000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.536000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.648000] usb 1-1: device descriptor read/64, error -71 [ 239.752000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.756000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.760000] usb 1-1: uhci_result_common: failed with status 440000 [ 239.872000] usb 1-1: device descriptor read/64, error -71 [ 240.088000] usb 1-1: new full speed USB device using uhci_hcd and address 5 [ 240.088000] usb 1-1: uhci_result_common: failed with status 440000 [ 240.292000] usb 1-1: uhci_result_common: failed with status 440000 [ 240.496000] usb 1-1: device not accepting address 5, error -71 [ 240.608000] usb 1-1: new full speed USB device using uhci_hcd and address 6 [ 240.628000] usb 1-1: uhci_result_common: failed with status 440000 [ 240.628000] usb 1-1: device descriptor read/8, error -71 [ 240.748000] usb 1-1: uhci_result_common: failed with status 440000 [ 240.748000] usb 1-1: device descriptor read/8, error -71 Thanks very much for help, Thibaud. ------------------------------------------------------------------------- Using Tomcat but need to do more? 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