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Core dump during frequency scan #5

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akhepcat opened this issue Nov 24, 2013 · 1 comment
Open

Core dump during frequency scan #5

akhepcat opened this issue Nov 24, 2013 · 1 comment

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@akhepcat
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I'm not sure if this is a CellSearch issue, or something to do with the radio/tuner, but I'll start here at the application layer and work my way down the model.

I'm using an ezcap dbv-tfm (rtl2832 with Elonics E4000 tuner) for scanning.

According to rtl_test -t, this device should scan from 52MHz - 2204MHz, with a bandgap of 1103MHz-1244MHz.

however, CellSearch core-dumps when I try to specify any frequency from 2147MHz-2204MHz.

Above the "max" of 2204MHz, it errors out normally.

using "multimode.py" i can easily scan above 2147MHZ, all the way to 2206.12G before i reach the dreaded "PLL not locked"

Not sure where to start looking for this within the code, but did want to get it documented in case others are seeing this.

@mikerodrigues
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I'm seeing the same:
-Ubuntu 12.04
-rtl-sdr compiled from git

 $ ./src/CellSearch --freq-start 715e6 --freq-end 768e6                                                                                                     
LTE CellSearch v1.0.0 (release) beginning
 Search frequency range: 715-768 MHz      PPM: 120
 correction: 1
Found Rafael Micro R820T tuner
Examining center frequency 715 MHz ...
Examining center frequency 715.1 MHz ...
[1]    18578 segmentation fault (core dumped)  ./src/CellSearch --freq-start 715e6 --freq-end 768e6

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