Ubuntu
linux package

  1. Bug #256767
  2. Comment #40

Comment 40 for bug 256767

Revision history for this message
Jan-Niklas Meier (dschanoeh) wrote : Re: unable to enumerate USB device on port 5

I am getting similar messages. they appear even if there is no usb device connected. If i connect a device i am not able to use it. This occured with different kernel versions. Now i am running:

$ uname -a
Linux DeepThought 2.6.30-020630rc7-generic #020630rc7 SMP Sun May 24 01:38:23 UTC 2009 i686 GNU/Linux

$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

$ dmesg | tail
[ 1232.453533] hub 1-0:1.0: connect-debounce failed, port 3 disabled
[ 1234.629589] hub 1-0:1.0: connect-debounce failed, port 3 disabled
[ 1235.301622] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 1237.898293] hub 1-0:1.0: connect-debounce failed, port 3 disabled
[ 1240.329543] hub 1-0:1.0: connect-debounce failed, port 3 disabled
[ 1240.513588] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 1242.801572] hub 1-0:1.0: connect-debounce failed, port 3 disabled
[ 1245.205537] hub 1-0:1.0: connect-debounce failed, port 3 disabled
[ 1246.237797] hub 2-0:1.0: unable to enumerate USB device on port 1
[ 1248.157539] hub 1-0:1.0: connect-debounce failed, port 3 disabled