The ohci driver is a USBA (Solaris USB Architecture) compliant nexus
driver that supports the Open Host Controller Interface Specification
1.0a, an industry standard developed by Compaq, Microsoft, and
National Semiconductor.
The ohci driver supports bulk, interrupt, control
and isochronous transfers.
There was an unrecoverable USB hardware error reported by the OHCI Controller.
Please reboot the system. If this problem persists, contact your system
vendor.
No SOF interrupts.
The USB hardware
is not generating Start Of Frame interrupts.
Please reboot the system. If this problem persists, contact your system
vendor.