Re: [Discuss-gnuradio] gr_fir_fff: using 3DNow! core dump

[Sid Boyce]

On 20/03/13 13:08, Tom Rondeau wrote:
> On Tue, Mar 19, 2013 at 9:20 PM, Sid Boyce <address@hidden> wrote:
> > I have a program that uses gnuradio to work with a HiQSDR.
> >
> > The first time I fired up qsdr it worked.
> > Closing it down and re-opening later I got the error. A reboot of the system
> > didn't solve it.
> >
> > $ qsdr
> > starting server
> > Using Volk machine: sse4_a_64
> > > > > gr_fir_fff: using 3DNow!
> > terminate called after throwing an instance of 'std::runtime_error'
> >    what():  unpaired unlock() call
> > Aborted (core dumped)
> > 73 ... Sid.
>
> Sid,
>
> What version of GNU Radio are you using for this? You should try to
> pull in the filter from the filter module instead of from gr:
>
> from gnuradio import filter
> fir = filter.fir_filter_ccf(decim, taps)
> ....
>
> Also, what is your processor?
>
> Tom
This is the output from the openSUSE boxes and the CPU flags which don't 
include sse4_a.
Later I'll try rebuilding gnuradio with "-msse3" to see if that helps.
# qsdr
starting server
gri_fftw: can't import wisdom from /root/.gr_fftw_wisdom
Using Volk machine: avx_64_mmx_orc
>>> gr_fir_fff: using SSE
connection from  "127.0.0.1"
TCP: conneced
>>> gr_fir_ccc: using SSE
>>> gr_fir_ccf: using SSE
>>> gr_fir_fcc: gr_fir_fcc: using SSE

flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext 
fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc 
extd_apicid aperfmperf pni pclmulqdq monitor ssse3 cx16 sse4_1 sse4_2 
popcnt aes xsave avx lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a 
misalignsse 3dnowprefetch osvw ibs xop skinit wdt lwp fma4 nodeid_msr 
topoext perfctr_core perfctr_nb arat cpb hw_pstate npt lbrv svm_lock 
nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter 
pfthreshold
73 ... Sid.

--
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
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