r342378: usbconfig takes 3-5 minutes to read the bus

Fri Jan 4 11:48:11 UTC 2019

On 1/4/19 11:46 AM, Matthias Apitz wrote:
> Jan  4 11:26:39 c720-r342378 kernel: uhub_read_port_status: port 13, wPortStatus=0x07a0, wPortChange=0x0000, err=USB_ERR_NORMAL_COMPLETION
> Jan  4 11:26:41 c720-r342378 kernel: uhub_read_port_status: port 1, wPortStatus=0xe070, wPortChange=0x161e, err=USB_ERR_TIMEOUT
> Jan  4 11:26:41 c720-r342378 kernel: uhub_read_port_status: port 2, wPortStatus=0x0500, wPortChange=0x0000, err=USB_ERR_NORMAL_COMPLETION

Hi,

The problem appears to be that one of the USB HUBs port status request 
don't respond: USB_ERR_TIMEOUT, which in turn blocks the enumeration thread.

Can you try the attached kernel patch and send new debug log?

--HPS
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