webcamd, usb and two webcams - only one works

Hans Petter Selasky hps at selasky.org
Thu Nov 26 15:43:45 UTC 2020


Hi,

> xhci_interrupt_poll: event[21] = 33 (0x00000001002f8e50 0x05000000 0x02008400)
> xhci_check_command: Received command event
> xhci_configure_reset_endpoint: Could not stop endpoint 9
> 
> xhci_interrupt_poll: event[22] = 33 (0x00000001002f8e60 0x05000000 0x02008400)
> xhci_check_command: Received command event
> xhci_configure_reset_endpoint: Could not set dequeue ptr for endpoint 9

I think 0x05000000 means TRB_ERROR (5):

 From the xHCI specification:

> Asserted when a TRB parameter error condition (e.g., out of range
> or invalid parameter) is detected in a TRB. Refer to section 4.10.2.2
> for examples.

--HPS


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