bugGPSD - Bugs: bug #52543, gpsd 3.17 missing GNGSA data after...

 
 

bug #52543: gpsd 3.17 missing GNGSA data after a while

Submitted by:  Atsushi Hirano <starstonesoft>
Submitted on:  Tue 28 Nov 2017 12:38:17 AM UTC  
 
Category: NoneSeverity: 3 - Normal
Item Group: NoneStatus: None
Privacy: PublicAssigned to: None
Open/Closed: Open

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Tue 28 Nov 2017 12:38:17 AM UTC, original submission:

Dear Sir,

Good day,
I'm using GPSD 3.17, with u-blox neo-m8n on nano pi neo plus2(Allwinner H5), Ubuntu 16.04.
With gpsd 3.15, all satellite "used:false" was known issue, and thank you for fixing it.
However, with 3.17, seems not solved tottally.
Here is the output of

gpspipe -r | grep GNGSA

$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,194,28,50,42,,,,,1.61,0.97,1.29*2F
$GNGSA,A,3,66,87,67,,,,,,,,,,1.61,0.97,1.29*10
$GNGSA,A,3,19,17,09,12,,,,,,,,,5.32,3.60,3.92*11
$GNGSA,A,3,,,,,,,,,,,,,5.32,3.60,3.92*15
$GNGSA,A,3,19,17,09,12,,,,,,,,,5.32,3.59,3.92*1B
$GNGSA,A,3,,,,,,,,,,,,,5.32,3.59,3.92*1F
$GNGSA,A,3,19,17,09,12,,,,,,,,,5.32,3.59,3.92*1B
$GNGSA,A,3,,,,,,,,,,,,,5.32,3.59,3.92*1F
$GNGSA,A,3,19,17,09,12,,,,,,,,,5.32,3.59,3.92*1B
$GNGSA,A,3,,,,,,,,,,,,,5.32,3.59,3.92*1F
$GNGSA,A,3,19,17,09,12,,,,,,,,,5.32,3.59,3.92*1B
$GNGSA,A,3,,,,,,,,,,,,,5.32,3.59,3.92*1F

within a few minutes after power on, some satellite numbers were disappeared from GNGSA data.

To compare this to raw GNGSA data, I uninstall gpsd and reboot, then
cat /dev/ttyACM0

GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,19,17,09,12,28,42,194,50,02,,,,1.52,0.88,1.24*2E
$GNGSA,A,3,66,87,67,,,,,,,,,,1.52,0.88,1.24*13

still all satellite numbers are shown.

Would you please investigate on this issue?
Thank you in advance.

Atsushi Hirano <starstonesoft>

 

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