[LAU] Repeated USB error/warning notification
    Clemens Ladisch 
    clemens at ladisch.de
       
    Tue May 22 22:14:33 CEST 2018
    
    
  
Chris Caudle wrote:
> On Tue, May 22, 2018 11:40 am, Jeanette C. wrote:
>> [1354175.824801] usb 1-4.1: urb status -32
>
> This is the list of status codes returned, but they are symbolic, I have
> not  found where the numeric values are mapped to the symbolic names:
> https://www.kernel.org/doc/html/v4.12/driver-api/usb/error-codes.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/errno-base.h
"Endpoint stalled" means that the device refuses to send or receive data
because of some error condition.  In theory, this should not happend with
USB MIDI, and there isn't really anything the driver can do about this.
Regards,
Clemens
    
    
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