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| protocoll error -71 https://www.8devices.com/community/viewtopic.php?f=16&t=1220 |
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| Author: | juerg5524 [ 08 Jan 2019, 14:46 ] |
| Post subject: | protocoll error -71 |
Hi I use a Linux debian 64 bit system. I get the error -71 in the dmesg output, when I plug in the usb2can adapter. [343375.574269] usb 1-1: new full-speed USB device number 19 using xhci_hcd [343375.694321] usb 1-1: device descriptor read/64, error -71 [343375.944043] usb 1-1: New USB device found, idVendor=0483, idProduct=1234 [343375.944051] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [343375.944057] usb 1-1: Product: USB2CAN converter [343375.944062] usb 1-1: Manufacturer: edevices [343375.944067] usb 1-1: SerialNumber: ED000200 [343375.951259] usb_8dev 1-1:1.0 can0: firmware: 1.7, hardware: 1.0 error -71 is in errno.h as protocol error declared. Can somebody help? Greetings Jürg |
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| Author: | juerg5524 [ 08 Jan 2019, 15:12 ] |
| Post subject: | Re: protocoll error -71 |
My usb2can works fine on the same hardware within a virtual Windows XP! |
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| Author: | gedass [ 09 Jan 2019, 09:25 ] |
| Post subject: | Re: protocoll error -71 |
Wrong device descriptor. Does you get similar error in DFU mode too ? |
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| Author: | juerg5524 [ 09 Jan 2019, 13:22 ] |
| Post subject: | Re: protocoll error -71 |
How can I get in the DFU mode? It is solved: I have no error on a USB-hub! |
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