ftdi_sio: usb_serial_generic_read_bulk_callback - urb stopped: -32

2016-04-25 Thread Beralt Meppelink
Hello, I'm experiencing some issues with a FTDI serial-to-usb chip, which becomes unresponsive (the endpoint is halted) while logging this message: ftdi_sio ttyUSB0: usb_serial_generic_read_bulk_callback - urb stopped: -32 Some searching [1] [2] revealed that I'm not the only one. Most people r

ehci: scheduler overflow when using iso transfers

2014-04-05 Thread Beralt Meppelink
Since an update to kernel 3.13 my system suffers from a bug, probably in the EHCI scheduler. I have an em28xx based DVB USB stick which is connected to a EHCI host and uses an isochronous endpoint to transfer data from the device to the host. Initially I thought this to be related to the em28xx