Absolutely. Good thing I have addr2line on device /bld/python/Python-3.4.2 $ addr2line -C -f -e /lib/libpython3.4m.so.1.0 0008bbc8 _PyMem_RawStrdup /bld/python/Python-3.4.2/Objects/obmalloc.c:323 /bld/python/Python-3.4.2 $
On Thu, Jan 29, 2015 at 8:26 PM, Ryan <rym...@gmail.com> wrote: > Could you try the steps at http://stackoverflow.com/a/11369475/2097780? They > allow you to get a better idea of where libc is crashing. > > Cyd Haselton <chasel...@gmail.com> wrote: >> >> Managed to get this out of logcat: >> F(11914) Fatal signal 11 (SIGSEGV) at 0x00000000 (code=1), thread >> 11914 (python) (libc) >> >> [ 01-29 19:30:55.855 23373:23373 F/libc ] >> Fatal signal 11 (SIGSEGV) at 0x00000000 (code=1), thread 23373 (python) >> >> Less detail than strace but it seems to be that python is segfaulting >> libc... >> >> On Wed, Jan 28, 2015 at 11:23 AM, Ryan Gonzalez <rym...@gmail.com> wrote: >>> >>> On Wed, Jan 28, 2015 at 10:43 AM, Guido van Rossum <gu...@python.org> >>> wrote: >>>> >>>> >>>> What I see in the strace: >>>> >>>> ... load libpython3.4m.so.1.0 >>>> ... load libm >>>> ... open /dev/__properties__ and do something to it >>>> (what?) >>>> ... get current time >>>> ... allocate memory >>>> ... getuid >>>> ... segfault >>>> >>>> That's not a lot to go on, but it doesn't look as if it has started to >>>> load modules yet. >>>> >>>> Does /dev/__properties__ ring a bell? Not to me. >>> >>> >>> >>> >>> https://android.googlesource.com/platform/system/core/+/tools_r22/init/property_service.c >>> is the code that works with that file. >>> >>> This explains it a bit (slides 24-29). Looks like something to do with >>> interprocess communication. Likely has nothing to do with Python itself. >>> >>> Maybe this would be useful? >>> >>>> >>>> That stack trace would be really helpful. >>>> >>>> On Wed, Jan 28, 2015 at 8:34 AM, Cyd Haselton <chasel...@gmail.com> >>>> wrote: >>>>> >>>>> >>>>> Apologies...I'm not sure what a stack track is, but I do have the >>>>> strace. Nearest I can tell, it happens due to an open call, though I >>>>> am probably wrong. >>>>> Attaching the strace output to this email. I'm going to head back to >>>>> the documentation and to back out of some Android-related changes in >>>>> _localemodule.c >>>>> >>>>> On Wed, Jan 28, 2015 at 9:43 AM, Guido van Rossum <gu...@python.org> >>>>> wrote: >>>>>> >>>>>> There could be a million differences relevant (unicode, ints, ...). >>>>>> Perhaps >>>>>> the importlib bootstrap is failing. Perhaps the dynamic loading code >>>>>> changed. Did you get a stack track? (IIRC strace shows a syscall >>>>>> trace >>>>>> -- >>>>>> also useful, but doesn't tell you precisely how >>>>>> it segfaulted.) >>>>>> >>>>>> On Wed, Jan 28, 2015 at 6:43 AM, Cyd Haselton <chasel...@gmail.com> >>>>>> wrote: >>>>>>> >>>>>>> >>>>>>> All, >>>>>>> I recently ditched my attempts to port Python 2.7.8 to Android in >>>>>>> favor of Python 3.4.2. Unfortunately, after using the same >>>>>>> configure >>>>>>> options in the same environment, and modifying the setup.py as >>>>>>> needed, >>>>>>> the newly built binary throws a segfault when the >>>>>>> generate-posix-vars >>>>>>> portion of the build is reached...and when it is run as well (i.e. >>>>>>> ./python --help, ./python -E -S -m sysconfig, or similar) >>>>>>> >>>>>>> I took a strace of ./python, however I'm a bit lost when reviewing >>>>>>> it. >>>>>>> Any ideas as to what may be going on...i.e. why Python 2.7 works but >>>>>>> 3.x throws a segfault? >>>>>>> >>>>>>> Thanks in advance, >>>>>>> Cyd >>>>>>> ________________________________ >>>>>>> >>>>>>> Python-Dev mailing list >>>>>>> >>>>>>> Python-Dev@python.org >>>>>>> https://mail.python.org/mailman/listinfo/python-dev >>>>>>> Unsubscribe: >>>>>>> >>>>>>> https://mail.python.org/mailman/options/python-dev/guido%40python.org >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> --Guido van Rossum (python.org/~guido) >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> --Guido van Rossum (python.org/~guido) >>>> >>>> ________________________________ >>>> >>>> Python-Dev mailing list >>>> Python-Dev@python.org >>>> https://mail.python.org/mailman/listinfo/python-dev >>>> Unsubscribe: >>>> https://mail.python.org/mailman/options/python-dev/rymg19%40gmail.com >>> >>> >>> >>> >>> >>> -- >>> Ryan >>> If anybody ever asks me why I prefer C++ to C, my answer will be simple: >>> "It's becauseslejfp23(@#Q*(E*EIdc-SEGFAULT. Wait, I don't think that was >>> nul-terminated." >>> Personal reality distortion fields are immune to contradictory evidence. >>> - >>> srean >>> Check out my website: http://kirbyfan64.github.io/ > > > -- > Sent from my Android phone with K-9 Mail. Please excuse my brevity. > Check out my website: http://kirbyfan64.github.io/ _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
