Segfault on Startup

[Anthony Good]

Hello.  I'm attempting to use Gqrx on Linux Mint 15 and on startup (using a terminal session) I get:

linux; GNU C++ version 4.7.3; Boost_104900; UHD_003.005.003-0-unknown

Segmentation fault

I retrieved the package from the PPA using the Ubuntu Raring series.  I'm not sure where to start with troubleshooting this, however below is the tail end of an strace.  Thanks in advance for any help you can lend.

open("/etc/localtime", O_RDONLY|O_CLOEXEC) = 3

fstat(3, {st_mode=S_IFREG|0644, st_size=3519, ...}) = 0

fstat(3, {st_mode=S_IFREG|0644, st_size=3519, ...}) = 0

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4669c69000

read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 4096) = 3519

lseek(3, -2252, SEEK_CUR)               = 1267

read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\5\0\0\0\5\0\0\0\0"..., 4096) = 2252

close(3)                                = 0

munmap(0x7f4669c69000, 4096)            = 0

brk(0x2796000)                          = 0x2796000

brk(0x2795000)                          = 0x2795000

brk(0x2794000)                          = 0x2794000

brk(0x2793000)                          = 0x2793000

stat("/usr/share/uhd/modules", 0x7fff243e7210) = -1 ENOENT (No such file or directory)

fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4669c69000

write(1, "linux; GNU C++ version 4.7.3; Bo"..., 70linux; GNU C++ version 4.7.3; Boost_104900; UHD_003.005.003-0-unknown

) = 70

write(1, "\n", 1

)                       = 1

--- SIGSEGV (Segmentation fault) @ 0 (0) ---

+++ killed by SIGSEGV +++

Segmentation fault

[Alexandru Csete]

Are you using a USRP device? Which?
Is it the releases PPA? If yes have you tried the snapshots?

Alex

[Anthony Good]

I'm using a Funcube Dongle Pro+, just received in the mail today.

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[Alexandru Csete]

On Fri, Nov 29, 2013 at 10:00 PM, Anthony Good <anthon...@gmail.com> wrote:
> I'm using a Funcube Dongle Pro+, just received in the mail today.

Maybe you are haviing this issue:
https://github.com/csete/gqrx/issues/91

Check dmesg to see if you get this error.

Alex

[Anthony Good]

I checked dmesg and I am indeed getting that error.  So I plugged the FCD into a USB1 hub and now I don't get the error, however Gqrx still segfaults at start up.

Alex

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[Anthony Good]

Thanks for the information.  Although I don't have Gqrx working yet, I'm now able to get Quisk to work and SDRSharp is working in a Windows 7 virtual machine running on the same Linux box, now that I've addressed the dmesg error.  So I'm much further ahead than I was a few hours ago. 

[Alexandru Csete]

Well, it appears the error comes from UHD, so you could try the
gqrx/snapsahots PPA instead because it has a newer version. I will
also try to update that repository to UHD 3.6 next week but it will
take several days to complete the builds.

Alex

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