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Re: gpsd losing connection to ublox

From: Niall Parker
Subject: Re: gpsd losing connection to ublox
Date: Fri, 12 Nov 2021 09:47:17 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0

On 2021-11-11 6:31 p.m., Gary E. Miller wrote:
Yo Niall!

    |-gpsd,18077,nobody -n -s 115200 /dev/ttyTHS1 /dev/pps0
I'm xtill concerned that auto-baud is not working for you, and others
with similar boards.

What kind of driver creates /dev/ttyTHS1?

I think it is the serial-tegra ( as the hardware is an Nvidia Jetson Xavier NX with tegra194 SOC. Kernel was built with SDK and the driver is not a module.

Nov  5 12:39:25 mission kernel: [    1.528740] 3110000.serial: ttyTHS1 at MMIO 0x3110000 (irq = 48, base_baud = 0) is a TEGRA_UART

If you can send me a -D4 log I can maybe see why.  Like this:

gpsd -nND 4 /dev/ttyTHS1 > tmp.log 2>&1

Let it run a minute and send the log here.

A minute's worth attached. Looks like it initially worked but then lost track of the speed as I was seeing before.

Let me know if you need a longer run or different options to try.

            ... Niall

Attachment: tmp.log.gz
Description: application/gzip

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