SIGSEGV: memory access violation #185
Comments
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@ImDroided can't use sudo, not sure it solves it anyway, sudo breaks pulseaudio unless you run it for the whole system, which isn't default. this issue is: try putting in config.txt these lines after the rest of them and reboot: |
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didnt work ubuntu@ubuntu:~$ CubicSDR Audio Device #0 Built-in Audio Stereo Audio Device #1 Monitor of Built-in Audio Stereo SDR enumerator starting. 02-07 21:05:01.640 3565 3594 E CARIBOU_SMI caribou_smi_init@caribou_smi.c:539 couldn't open smi driver file '/dev/smi' (No such file or directory) Loaded font 'Bitstream Vera Sans Mono' from '/usr/share/cubicsdr/fonts/vera_sans_mono12_0.png', parsed 255 characters. |
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config.txt |
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Dont know why but fresh install with normal config.txt edit and THIS_MODULE delete CubicSDR now works but gqrx is still a mem access error. |
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@ImDroided i see the same, even though adding those overlays gives me /dev/shm, so i dont see that file doesn't exist error, but the software is still causing the cairboulite driver to access invalid memory. wonder if we need a new udev rule or something, like the mem access is getting blocked because its done differently than CubicSDR (which still works fine). |
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So after letting CubicSDR run overnight and all day on a FM radio station I closed CubisSDR and could not open it again until after a reboot. Same mem access error. |
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on my rpi 3b with 512 mb ram it spins up 2 reader threads an 2 writer threads with immediate 400% Load on SDRPlusPlus. This makes all communication choppy, with or without compression enabled. When I kill the smi threads an rmmod the smi_stream_dev , it crashes with mem error and it's not possible to use it again until reboot. @ImDroided when yours works, it at least works. |
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@great9 pi 3b is only good for SoapyRemote / SoapySDRServer scenarios, it can't do all that extra work processing the fft and demodulating audio, etc - BUT if you just run sudo SoapySDRServer --bind and then use sdrpp or cubicsdr, etc on a more capable machine, the audio will work fine. Side note - use TCP, not UDP when selecting the remote Caribou sdr in the chosen app. If you want to see the fft and hear non-choppy audio, you'll need a pi 4. |
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Hello, all. I am getting the missing /dev/smi message whenever I want to do something with the caribou and I can see the following output for sudo dmesg: |
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Should look like this dtparam=audio=on Comment out the following line if the edges of the desktop appear outsidethe edges of your displaydisable_overscan=1 |
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You'll also need a sudo chmod g+rw /dev/gpiomem each time you boot or put it in the /etc/rc.local |
Has anyone figured this out yet? I cant open any apps. I was able to open CubicSDR the other day but not now QGRX crashes instantly
ubuntu@ubuntu:~$ sudo CubicSDR
Loaded 262 rig models via hamlib.
RtApiPulse::DeviceInfo pa_context_connect() failed: Connection refused
RtApiAlsa::getDeviceInfo: snd_pcm_open error for device (default), No such file or directory.
Audio Device #0 default
Default Output? No
Default Input? No
Input channels: 0
Output channels: 10000
Duplex channels: 0
Native formats:
8-bit signed integer.
16-bit signed integer.
24-bit signed integer.
32-bit signed integer.
32-bit float normalized between plus/minus 1.0.
64-bit float normalized between plus/minus 1.0.
Supported sample rates:
4000hz
5512hz
8000hz
9600hz
11025hz
16000hz
22050hz
32000hz
44100hz
48000hz
88200hz
96000hz
176400hz
192000hz
Audio Device #1 hw:bcm2835 HDMI 1,0
Default Output? No
Default Input? No
Input channels: 0
Output channels: 8
Duplex channels: 0
Native formats:
16-bit signed integer.
Supported sample rates:
8000hz
9600hz
11025hz
16000hz
22050hz
32000hz
44100hz
48000hz
88200hz
96000hz
176400hz
192000hz
Audio Device #2 hw:bcm2835 HDMI 1,1
Default Output? No
Default Input? No
Input channels: 0
Output channels: 2
Duplex channels: 0
Native formats:
16-bit signed integer.
Supported sample rates:
44100hz
48000hz
Audio Device #3 hw:bcm2835 Headphones,0
Default Output? No
Default Input? No
Input channels: 0
Output channels: 8
Duplex channels: 0
Native formats:
16-bit signed integer.
Supported sample rates:
8000hz
9600hz
11025hz
16000hz
22050hz
32000hz
44100hz
48000hz
88200hz
96000hz
176400hz
192000hz
SDR enumerator starting.
SoapySDR init..
API Version: v0.8.0
ABI Version: v0.8
Install root: /usr
Loading modules...
[INFO] SoapyCaribouliteSession, sessionCount: 0
02-07 20:15:17.086 8009 8047 I FPGA caribou_fpga_program_to_fpga@caribou_fpga.c:209 FPGA already operational - not programming (use 'force_prog=true' to force update)
02-07 20:15:17.086 8009 8047 E CARIBOU_SMI caribou_smi_init@caribou_smi.c:539 couldn't open smi driver file '/dev/smi' (No such file or directory)
02-07 20:15:17.086 8009 8047 E CARIBOULITE Setup cariboulite_init_submodules@cariboulite_setup.c:288 Error setting up smi submodule
02-07 20:15:17.088 8009 8047 I CARIBOU_PROG caribou_prog_release@caribou_prog.c:122 device release completed
02-07 20:15:17.088 8009 8047 E FPGA caribou_fpga_close@caribou_fpga.c:246 caribou_fpga_close: dev not initialized
[ERROR] cariboulite_init_driver() failed
Available factories...Cariboulite, airspy, airspyhf, bladerf, hackrf, lime, miri, null, osmosdr, plutosdr, redpitaya, remote, rfspace, rtlsdr, sdrplay, uhd
Printing 'findCariboulite' Request:
shm_open: No such file or directory
[ERROR] sdrplay_api_Open() Error: sdrplay_api_Fail
[ERROR] Please check the sdrplay_api service to make sure it is up. If it is up, please restart it.
[INFO] [UHD] linux; GNU C++ version 11.3.0; Boost_107400; UHD_4.1.0.5-0-unknown
Available vertical sync SwapInterval functions:
glxSwapIntervalEXT: Yes
DRI2SwapInterval: No
glxSwapIntervalMESA: Yes
glxSwapIntervalSGI: Yes
Using glxSwapIntervalEXT.
Loaded font 'Bitstream Vera Sans Mono' from '/usr/share/cubicsdr/fonts/vera_sans_mono12_0.png', parsed 255 characters.
Loaded font 'Bitstream Vera Sans Mono' from '/usr/share/cubicsdr/fonts/vera_sans_mono16_0.png', parsed 255 characters.
Loaded font 'Bitstream Vera Sans Mono' from '/usr/share/cubicsdr/fonts/vera_sans_mono18_0.png', parsed 255 characters.
[ERROR] SoapySDR::Device::enumerate(sdrplay) sdrplay_api_Open() failed
channel = S1G
device_id = 0
driver = Cariboulite
label = CaribouLite S1G[ef655c0e]
name = CaribouLite RPI Hat
serial = ef655c0e
uuid = 52ab1103-0240-4f80-a759-7516817371f7
vendor = CaribouLabs LTD
version = 0x0001
Make device 0
Printing 'findCariboulite' Request:
{channel: S1G}
{device_id: 0}
{driver: Cariboulite}
{label: CaribouLite S1G[ef655c0e]}
{name: CaribouLite RPI Hat}
{serial: ef655c0e}
{uuid: 52ab1103-0240-4f80-a759-7516817371f7}
{vendor: CaribouLabs LTD}
{version: 0x0001}
[INFO] Initializing DeviceID: 0, Label: CaribouLite S1G[ef655c0e], ChannelType: S1G
soapy_sighandler caught SIGSEGV
[INFO] soapy_sighandler killing soapy_cariboulite (cariboulite_release_driver)
02-07 20:15:18.443 8009 8047 E FPGA caribou_fpga_close@caribou_fpga.c:246 caribou_fpga_close: dev not initialized
02-07 20:15:18.443 8009 8047 E CARIBOULITE Setup cariboulite_release_submodules@cariboulite_setup.c:465 FPGA communication release failed (-1)
02-07 20:15:18.444 8009 8047 E IO_UTILS_SPI io_utils_spi_close@io_utils_spi.c:340 closing uninitialized device
CaribouLite: Signal [11] received from pid=[968]
Signal [11] caught, with the following information:
signal errno = 0
signal process pid = 968
signal process uid = 0
signal status = 0
signal errno / SIGSEGV / the process access invalid region of memory
SIGSEGV: memory access violation
soapy_sighandler caught SIGSEGV
[INFO] soapy_sighandler killing soapy_cariboulite (cariboulite_release_driver)
CaribouLite: Signal [11] received from pid=[-1993413121]
Signal [11] caught, with the following information:
signal errno = 0
signal process pid = -1993413121
signal process uid = 65536
signal status = 0
signal errno / SIGSEGV / the process access invalid region of memory
SIGSEGV: memory access violation
ubuntu@ubuntu:
$ sudo nano /boot/firmware/config.txt$ sudo nano /etc/rc.localubuntu@ubuntu:
ubuntu@ubuntu:
$ gqrx$gr-osmosdr 0.2.0.0 (0.2.0) gnuradio 3.10.3.0
built-in source types: file fcd rtl rtl_tcp uhd hackrf bladerf rfspace airspy airspyhf soapy redpitaya
rx_nb_cc :info: set_min_output_buffer on block 10 to 32768
Resampling audio 96000 -> 48000
BandPlanFile is /home/ubuntu/.config/gqrx/bandplan.csv
BookmarksFile is /home/ubuntu/.config/gqrx/bookmarks.csv
[INFO] [UHD] linux; GNU C++ version 11.3.0; Boost_107400; UHD_4.1.0.5-0-unknown
[INFO] SoapyCaribouliteSession, sessionCount: 0
CaribouLite: Signal [11] received from pid=[16]
Signal [11] caught, with the following information:
signal errno = 0
signal process pid = 16
signal process uid = 0
signal status = 0
signal errno / SIGSEGV / the process access invalid region of memory
SIGSEGV: memory access violation
ubuntu@ubuntu:
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