Hi, Nick K. Kozubsky wrote:
Hello,
I've lost my USB hub and it ports.
This problem I see with Intel DP965LT motherboard (with last firmware MQ96510J.86A.1709.2007.1010.1926)
The dmesg show me constantly this:
hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 6-0:1.0: connect-debounce failed, port 5 disabled printk: 1 messages suppressed. hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? printk: 1 messages suppressed. hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? printk: 1 messages suppressed. hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 6-0:1.0: connect-debounce failed, port 5 disabled hub 5-0:1.0: Cannot enable port 2. Maybe the USB cable is bad? printk: 1 messages suppressed. hub 6-0:1.0: connect-debounce failed, port 5 disabled
try to remove the usb-2.0 driver (as root: modprobe -r ehci_hcd) and see wether the problems go away. I have huge usb-problems since 10.3 and most of them go away if I don't use ehci_hcd. My problems include the error messages you get as per above, also stuff like "reset full speed USB device" Of course removing ehci_hcd as a "solution" has a tradeoff: no high-speed (tm) usb...
But it's work fine with windos XP. :-( Is it problem of kernels khubd ?
Thanks. Nick.
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