|
From: | Ron Hall |
Subject: | RE: [Discuss-gnuradio] FPE with FM Rcvr |
Date: | Fri, 1 Apr 2011 05:49:53 +0000 |
Adding to the following, a backtrace that points to the throw std::bad_alloc (), gr_buffer.cc (88) May have some association with another error addressed earlier this year by T. Rondeau: [Discuss-gnuradio] gr_vmcircbuf_sysv_shm: shmget (1): Invalid argument, Dated: Fri, 11 Feb 2011 09:52:04-0500 gr_buffer::allocate_buffer: failed to allocate buffer of size 18760 KB terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc Program received signal SIGABRT, Aborted. 0x00436416 in __kernel_vsyscall () (gdb) bt #0 0x00436416 in __kernel_vsyscall () #1 0x006c2941 in raise () from /lib/libc.so.6 #2 0x006c5e42 in abort () from /lib/libc.so.6 #3 0x008a3055 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/libstdc++.so.6 #4 0x008a0f35 in ?? () from /usr/lib/libstdc++.so.6 #5 0x008a0f72 in std::terminate() () from /usr/lib/libstdc++.so.6 #6 0x008a10e1 in __cxa_throw () from /usr/lib/libstdc++.so.6 #7 0x00ae4861 in gr_buffer::gr_buffer (this=0xb4ef478, nitems=2345, sizeof_item=8192, link=...) at gr_buffer.cc:88 #8 0x00ae4908 in gr_make_buffer (nitems=2345, sizeof_item=8192, link=...) at gr_buffer.cc:96 #9 0x00acec5f in gr_flat_flowgraph::allocate_buffer (this=0xb4ef458, block=..., port=0) at gr_flat_flowgraph.cc:121 #10 0x00acf1af in gr_flat_flowgraph::allocate_block_detail (this=0xb4ef458, block=...) at gr_flat_flowgraph.cc:80 #11 0x00ad1538 in gr_flat_flowgraph::setup_connections (this=0xb4ef458) at gr_flat_flowgraph.cc:62 #12 0x00af7880 in gr_top_block_impl::start (this=0xab2dcd0) at gr_top_block_impl.cc:106 #13 0x00af61b0 in gr_top_block::start (this=0xaa91c78) at gr_top_block.cc:59 #14 0x00179128 in _wrap_gr_top_block_sptr_start (args=0xa7bdeec) at python/gnuradio_core_runtime.cc:15301 #15 0x080ddd23 in PyEval_EvalFrameEx () #16 0x080df04c in PyEval_EvalFrameEx () #17 0x080df04c in PyEval_EvalFrameEx () #18 0x080dfbb2 in PyEval_EvalCodeEx () #19 0x080de145 in PyEval_EvalFrameEx () #20 0x080dfbb2 in PyEval_EvalCodeEx () #21 0x080dfca7 in PyEval_EvalCode () #22 0x080fd956 in PyRun_FileExFlags () #23 0x080d7d09 in ?? () #24 0x080ddd23 in PyEval_EvalFrameEx () #25 0x080dfbb2 in PyEval_EvalCodeEx () #26 0x080dfca7 in PyEval_EvalCode () #27 0x080fe460 in PyRun_StringFlags () #28 0x080dee04 in PyEval_EvalFrameEx () #29 0x080dfbb2 in PyEval_EvalCodeEx () #30 0x080de145 in PyEval_EvalFrameEx () #31 0x080df04c in PyEval_EvalFrameEx () #32 0x080df04c in PyEval_EvalFrameEx () #33 0x080dfbb2 in PyEval_EvalCodeEx () #34 0x080dfca7 in PyEval_EvalCode () #35 0x080df0d8 in PyEval_EvalFrameEx () #36 0x080dfbb2 in PyEval_EvalCodeEx () #37 0x080de145 in PyEval_EvalFrameEx () #38 0x080dfbb2 in PyEval_EvalCodeEx () #39 0x08168e3c in ?? () #40 0x0805fd6a in PyObject_Call () #41 0x0805aa53 in ?? () #42 0x0805b295 in Py_Main () #43 0x0805a8ab in main () (gdb) > Date: Wed, 30 Mar 2011 22:25:42 -0700 > From: address@hidden > To: address@hidden > Subject: Re: [Discuss-gnuradio] FPE with FM Rcvr > > > > On 03/30/2011 09:31 PM, Ron Hall wrote: > > > > Working the following issue...any ideas? > > > > System: Ubuntu 10.10, Gnuradio 3.3.0, uhd (Mar 2011), USRP2, TVRX > > > > Using the attached grc model results in a floating point exception: > > > > > > (process of elimination) > > it looks like its coming from the xlating filter > > > > It might be a memory issue. An attempt to sample at the 6Mz limit > > with the TVRX (board responds with ~5.88...) results in > > gr_buffer:allocate_buffer: failed to allocate buffer of size 18760, > > which points to an installation issue that make check should have > > handled...a reinstall and closer scrutiny of the output should > > highlight any neglected warnings/errors. > > > > > > failed to allocate is an issue introduced by a block that changed that > is used in the fft sink (tom?) > > -Josh > > _______________________________________________ > Discuss-gnuradio mailing list > address@hidden > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio |
[Prev in Thread] | Current Thread | [Next in Thread] |