I decided to check if the problem was due to a voltage drop so I grabbed the DMM. I would like to try and determine if this is an issue with this individual adapter itself or if it’s a common one across the board.īack to the reboot issue. If any readers have had a similar experience then please share it in the comments. I suspect that the problem my son’s friend was experiencing with it may be due to overheating. The adapter was quite a bit warmer than I expected. The disconnect was logged and the Pi kept running. usb 1-1.3: USB disconnect, device number 4 Now it was time to see what happens when I unplug it. I left the adapter plugged in for a while and ran some more tests and it still seemed to be stable.
There were a few so I ran a ping flood against one of my other wireless devices and the results were comparable. Then I ran ping with the -f (flood) flag for a minute or so and didn’t see a significant number of timeouts. I did note the message stating the r8712u module is from the staging directory and wondered if it was just a bug causing the reboot but I ruled that out as you will see below.įrom one of my other systems I ran a continuous ping against it for an hour as a good initial test. As quickly as the reboot happened, I’m not surprised there were no log entries. I went and took a look at the log to see if there was any useful information regarding the sudden reboot but there was none to be found. usbcore: registered new interface driver r8712uĪs I had used this Pi to write my article on the Linksys AE1000 USB adapter I didn’t have to do any additional configuration and the adapter came up on the network without a problem. r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" r8712u: register rtl8712_netdev_ops to netdev_ops r8712u: module is from the staging directory, the quality is unknown, you have been warned. usb 1-1.3: Manufacturer: Manufacturer Realtek usb 1-1.3: Product: Belkin USB Wireless Adaptor usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1.3: New USB device found, idVendor=050d, idProduct=945a usb 1-1.3: new high-speed USB device number 4 using dwc_otg However, once the reboot was completed, I logged in, checked the output from dmesg and found that the adapter was recognized. I inserted it into my Pi and it instantly triggered a reboot, something I was able to reproduce without fail. He handed it to me and then headed out the door to school. One of his friends had given it to him and said it would only work for a few minutes before it stopped working and that if I could fix it then my son could keep it. My son brought it to me this morning and asked me if I could fix it. I had another opportunity to check out another USB WiFi adapter with the RPi.
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