SDA> 3 TRACE Decodes the what driver tracing is enabled. Just because it is enabled does not mean it is active. SDA tracing must be loaded and active. Format USB SHOW UHCI TRACE 4 Example SDA> usb sho uhci trace The following trace points are active 00000000000000ff ------------------------------------------------------- Control requests Interrupt requests Bulk requests Make TD's for request active on controller Report setting for TD's toggles Completions of TD's Log everytime Interrupt Service Routine is called Normal successful interrupts ------------------------------------------------------- 3 UCB Displays the UHCI drivers extensions to a standard UCB. Format USB SHOW UHCI UCB 4 Example SDA> USB SHOW UHCI UCB Universal Host Controller UCB extensions ---------------------------------- ---------------- I/O handle ffffffff8971fa00 Direct DMA Base 0000000000000000 Frame List PA 00000000001be000 Frame List VA 89fdc000 Register Offset 00000000 Number of root hub ports 02 Logging mailbox ucb address 00000000 Pointer to USB BUS structure 8971ca10 Pointer to routine driver table 89730000 Root Hub address 00000001 Status change request queue FLINK 89750ad0 BLINK 89750ad0 Free HCDTD's FLINK 897332c0 BLINK 89733200 Used HCDTD's FLINK 8973324c BLINK 8973328c Count of free HCDTD's 007d Count of used HCDTD's 0002 Free physical TD's FLINK 89fe1f60 BLINK 89fe1f00 Count of free PHYTD's 00fd Count of used PHYTD's 0002 Free HCDQHD's FLINK 89fde550 BLINK 89fde550 Used HCDQHD's FLINK 89fde460 BLINK 89fde460 Count of free HCDQH's 0056 Count of used HCDQH's 0004 Permanent Queue Heads Interrupt period 1 Ms 89fde000 Interrupt period 2 Ms 89fde050 Interrupt period 4 Ms 89fde0a0 Interrupt period 8 Ms 89fde0f0 Interrupt period 16 Ms 89fde140 Interrupt period 32 Ms 89fde190 Interrupt period 64 Ms 89fde1e0 Interrupt period 128 Ms 89fde230 Unlink Queue Head 89fde280 Low Speed Control Queue Head 89fde2d0 Full Speed Control Queue Head 89fde320 Bulk Queue Head 89fde370 Terminate Queue Head 89fde3c0 Root hub poller 1 -> active 1 Bit mask of root hub ports finished reset 00000000 Total interrupts 0000000000000562 TD complete interrupts 0000000000000562 TD error interrupts 0000000000000000 Count of resume events 0000000000000000 Number of times controller halted 0000000000000000 TQE and PCI config space data omitted Error counters I/O's completed with error(s) 00000555 Bit stuffing error(s) 00000000 CRC error 00000000 NAK receied 00000555 Babble detected 00000000 Data Buffer error(s) 00000000 Stall event(s) 00000000 Timeout error(s) 00000000 Saved operating registers Command 0001 Status 0000 Interrupt Summary 000f Frame Number 0000 Frame list address 001be000 Start of Frame time modifier 40 Root Hub Port 1 05a5 Port 2 0580 Port History next slot 0002 Debug tracing bits 00000000000000ff SDA>