Apr 082014

I just set up a new server and kept having a keyboard issue. When powering on, the keyboard worked. When rebooting, it did not.

When I tried another USB port, I saw these errors:

uhub_reattach_port: could not allocate new device

Errors in /var/log/messages showed:

usb_alloc_device: device init 2 failed (USB_ERR_IOERROR, ignored)
ugen0.2:  at usbus0 (disconnected)
uhub_reattach_port: could not allocate new device

I found the fixed mentioned in a nas4free forum post. The solution: disable XCHI mode in the BIOS.

It took a while to locate that setting. It was under Advanced > Chipset Configuration > PCH-IO Configuration. changed XCHI mode to disabled, rebooted, and the problem never recurred.

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