|
From: | Tom McDermott |
Subject: | Re: memory errors in 3.8.2 |
Date: | Mon, 7 Sep 2020 08:13:09 -0700 |
Hi Tom,
just to verify: You did recompile your module against 3.8.2.0 and not
accidentally linked it against a gnuradio-something.so of 3.8.1.0 that
lingered on your system? I ask because these things really happen often.
Best regards,
Marcus
On 06/09/2020 23.48, Tom McDermott wrote:
> My Ubuntu 20.04 updated automatically to 3.8.2.
>
> SInce the update I have been getting memory error messages in the
> gnuradio-companion terminal window.
> These errors did not occur in 3.8.1. The error is not consistent,
> always get one of the following three error messages:
>
> double free or corruption (!prev)
>
> malloc_consolidate(): invalid chunk size
> Aborted (core dumped)
>
> corrupted size vs. prev_size while consolidating
>
> Have commented out all instances of delete [] in my destructors, but no
> change to the errors. No instances of free() in my code.
>
> The errors occur after stopping the flowgraph from gnuradio-companion.
> I was able to catch the "corrupted size vs. prev_size while
> consolidating" error using gdb (OOT built with
> -DCMAKE_BUYILD_TYPE=Debug).
>
> Thread 1 "python3" received signal SIGINT, Interrupt.
> 0x00007ffff7ed396f in __GI___poll (fds=0x22c9990, nfds=4, timeout=14712)
> at ../sysdeps/unix/sysv/linux/poll.c:29
> 29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
> (gdb) bt
> #0 0x00007ffff7ed396f in __GI___poll (fds=0x22c9990, nfds=4, timeout=14712)
> at ../sysdeps/unix/sysv/linux/poll.c:29
> #1 0x00007ffff39cc1ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
> #2 0x00007ffff39cc2e3 in g_main_context_iteration ()
> from /lib/x86_64-linux-gnu/libglib-2.0.so.0
> #3 0x00007ffff3770fd5 in g_application_run ()
> from /lib/x86_64-linux-gnu/libgio-2.0.so.0
> #4 0x00007ffff524fff5 in ?? () from /lib/x86_64-linux-gnu/libffi.so.7
> #5 0x00007ffff524f40a in ?? () from /lib/x86_64-linux-gnu/libffi.so.7
> #6 0x00007ffff3ae50a5 in ?? ()
> from
> /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
> <http://gi.cpython-38-x86_64-linux-gnu.so>
> #7 0x00007ffff3adc25c in ?? ()
> from
> /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
> <http://gi.cpython-38-x86_64-linux-gnu.so>
> #8 0x00000000005f118e in PyObject_Call ()
> #9 0x0000000000568e1f in _PyEval_EvalFrameDefault ()
> #10 0x0000000000565972 in _PyEval_EvalCodeWithName ()
> #11 0x00000000005f1d85 in _PyFunction_Vectorcall ()
> #12 0x00000000005677c7 in _PyEval_EvalFrameDefault ()
> #13 0x00000000005f1b8b in _PyFunction_Vectorcall ()
> #14 0x000000000056769f in _PyEval_EvalFrameDefault ()
> #15 0x00000000005f1b8b in _PyFunction_Vectorcall ()
> #16 0x000000000056769f in _PyEval_EvalFrameDefault ()
> #17 0x0000000000565972 in _PyEval_EvalCodeWithName ()
> --Type <RET> for more, q to quit, c to continue without paging--
> #18 0x0000000000686053 in PyEval_EvalCode ()
> #19 0x00000000006753d1 in ?? ()
> #20 0x000000000067544f in ?? ()
> #21 0x0000000000675507 in PyRun_FileExFlags ()
> #22 0x000000000067758a in PyRun_SimpleFileExFlags ()
> #23 0x00000000006ae99e in Py_RunMain ()
> #24 0x00000000006aed29 in Py_BytesMain ()
> #25 0x00007ffff7de50b3 in __libc_start_main (main=0x4ebd20 <main>, argc=2,
> argv=0x7fffffffe028, init=<optimized out>, fini=<optimized out>,
> rtld_fini=<optimized out>, stack_end=0x7fffffffe018) at
> ../csu/libc-start.c:308
> #26 0x00000000005f62ee in _start ()
>
> -- Tom, N5EG
>
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