I am using a Nooelec RTL-SDR v5 SDR - NESDR Smart SDR by the way. If the RTL-SDR Blog V4 is more reliable, I can look into purchase that device instead. I am just out of ideas on how to troubleshoot this random issue moving forward since a reboot fixes the issue right now.
On Tuesday, May 20, 2025 at 4:08:22 PM UTC-4 meteo219 wrote: > Hello Weewx Users, > > I have been using weewx on a RPI4 for quite some time now (a few years). > I am using an RTL-SDR dongle to capture data from an Acurite Atlas weather > station. I am also using a BME280 device for pressure. Things have been > pretty stable for years. However, recently I am getting these errors > nearly daily: > > ERROR user.sdr: cb transfer status: 1, canceling... > ERROR user.sdr: LIBUSB_ERROR_NOT_FOUND: Entity not found! > Check your RTL-SDR dongle, USB cables, and power supply. > ERROR user.sdr: WARNING: async read failed (-5). > ERROR user.sdr: Library error -5, exiting... > > Exception in thread stdout-thread: > > Traceback (most recent call last): > > File "/usr/lib/python3.11/threading.py", line 1038, in _bootstrap_inner > Exception in thread stderr-thread: > Traceback (most recent call last): > > File "/usr/lib/python3.11/threading.py", line 1038, in _bootstrap_inner > self.run() > > self.run() > File "/etc/weewx/bin/user/sdr.py", line 198, in run > File "/etc/weewx/bin/user/sdr.py", line 198, in run > > for line in iter(self._fd.readline, ''): > ValueError: PyMemoryView_FromBuffer(): info->buf must not be NULL > > for line in iter(self._fd.readline, ''): > ValueError: PyMemoryView_FromBuffer(): info->buf must not be NULL > > Rebooting the RPI generally fixes the issue without the need to touch the > USB cable. I had a USB extension cable between the RTL-SDR and the RPI so > I tried bypassing the extension cable by plugging in the RTL-SDR directly > into the RPI, but I'm getting the same results. I also tried different USB > ports on the RPI also with the same results. > > Versions: > Debian GNU/Linux 12 (bookworm) > Linux raspberrypi 6.1.21-v8 > weewx-5.1.0-4 > rtl-sdr-0.6.0-4 > > Does this mean it is time for a new RTL-SDR device or is there any > firmware needed for the RPI usb ports or maybe a firmware update for the > RTL-SDR device? > > The issue is getting annoying because I don't know when it will error out > again and need a reboot to fix it. > > Thanks in advance! > > Jeff C > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/weewx-user/7eb7a8f8-1829-48b4-8c11-46bd41c3c009n%40googlegroups.com.
