*** This bug is a duplicate of bug 54273 ***
https://bugs.launchpad.net/bugs/54273
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
--
unable to enumerate USB device on port 5
https://bugs.launchpad.net/bugs/256767
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