Hi, I could reproduce the error, see https://github.com/eclipse/sumo/issues/8630 but I am not sure yet what causes it. A possible workaround is to use traci.connect instead of traci.start but I agree that this is inconvenient because you would need to do the sumo startup yourself.
Best regards, Michael Am 12.05.21 um 18:16 schrieb Marcelo Andrade Rodrigues D Almeida: > Hi Harald > > Thank you for giving it a try > > This version gives the same error output for me. I'm hoping it has the > same root cause from the errors I found in the previous code version. > Thank you for the additional information > > > Michael, could you reproduce the error? Let me know if you found or need > anything > > > Thank you all once again > > Sincerely, > > Marcelo d'Almeida > > > > > > > > > > On Wed, May 12, 2021 at 4:04 AM Harald Schaefer <[email protected] > <mailto:[email protected]>> wrote: > > Hi Michael and Marcelo, > > with the latest version of the example I could reproduce the error. > > With some changes to sumo_env.py > > *** sumo_env.py 2021-05-12 08:29:23.260183300 +0200 > --- sumo_env.py.orig 2021-05-10 14:22:32.000000000 +0200 > *************** > *** 283,287 **** > sumo_binary = self.get_sumo_binary(gui=False) > ! sumo_cmd = [] > ! sumo_cmd.extend(['gdb', '-ex', 'run', '--args']) > ! sumo_cmd.extend([sumo_binary, *sumocfg_parameters_list]) > > --- 283,285 ---- > sumo_binary = self.get_sumo_binary(gui=False) > ! sumo_cmd = [sumo_binary, *sumocfg_parameters_list] > > I run all sumo's with gdb and I got > > SUMO VERSION SUMO v1_9_1+0287-bf4d10a8fa > Step #0.00Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xa4: Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Answered with error to command 0xd4: Could not add > subscription. Vehicle '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known.Vehicle > '-gneE1__gneE0__light.0' is not known. > Error: Storage::writeUnsignedByte(): Invalid value, not in [0, 255] > Quitting (on error). > [Thread 0x7ffff35f0640 (LWP 9453) exited] > [Thread 0x7ffff2def640 (LWP 9454) exited] > [Thread 0x7ffff25ee640 (LWP 9455) exited] > [Thread 0x7ffff1ded640 (LWP 9456) exited] > malloc_consolidate(): unaligned fastbin chunk detected > connection closed by SUMO > > Thread 1 "sumo" received signal SIGABRT, Aborted. > __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49 > 49 ../sysdeps/unix/sysv/linux/raise.c: Datei oder Verzeichnis > nicht gefunden. > > [1]+ Angehalten example.py > harald@csx> jobs > [1]+ Angehalten example.py > harald@csx> fg > example.py > (gdb) bt > #0 __GI_raise (sig=sig@entry=6) at > ../sysdeps/unix/sysv/linux/raise.c:49 > #1 0x00007ffff6f93864 in __GI_abort () at abort.c:79 > #2 0x00007ffff6ff6736 in __libc_message > (action=action@entry=do_abort, fmt=fmt@entry=0x7ffff711bb9c "%s\n") > at ../sysdeps/posix/libc_fatal.c:155 > #3 0x00007ffff6fff08c in malloc_printerr > (str=str@entry=0x7ffff711df68 "malloc_consolidate(): unaligned > fastbin chunk detected") at malloc.c:5628 > #4 0x00007ffff700076c in malloc_consolidate > (av=av@entry=0x7ffff714dba0 <main_arena>) at malloc.c:4709 > #5 0x00007ffff7000f80 in _int_free (av=0x7ffff714dba0 <main_arena>, > p=0x55555663a230, have_lock=<optimized out>) at malloc.c:4633 > #6 0x00007ffff70047a8 in __GI___libc_free (mem=<optimized out>) at > malloc.c:3309 > #7 0x00007ffff7df4662 in > xercesc_3_2::ValidationContextImpl::~ValidationContextImpl() () from > /lib/x86_64-linux-gnu/libxerces-c-3.2.so <http://libxerces-c-3.2.so> > #8 0x00007ffff7df467d in > xercesc_3_2::ValidationContextImpl::~ValidationContextImpl() () from > /lib/x86_64-linux-gnu/libxerces-c-3.2.so <http://libxerces-c-3.2.so> > #9 0x00007ffff7e6ca27 in xercesc_3_2::SchemaInfo::~SchemaInfo() () > from /lib/x86_64-linux-gnu/libxerces-c-3.2.so > <http://libxerces-c-3.2.so> > #10 0x00007ffff7ddaed8 in > xercesc_3_2::RefHash2KeysTableOf<xercesc_3_2::SchemaInfo, > xercesc_3_2::StringHasher>::removeAll() () from > /lib/x86_64-linux-gnu/libxerces-c-3.2.so <http://libxerces-c-3.2.so> > #11 0x00007ffff7dd578e in xercesc_3_2::IGXMLScanner::cleanUp() () > from /lib/x86_64-linux-gnu/libxerces-c-3.2.so > <http://libxerces-c-3.2.so> > #12 0x00007ffff7dd581b in xercesc_3_2::IGXMLScanner::~IGXMLScanner() > () from /lib/x86_64-linux-gnu/libxerces-c-3.2.so > <http://libxerces-c-3.2.so> > #13 0x00007ffff7dd584d in xercesc_3_2::IGXMLScanner::~IGXMLScanner() > () from /lib/x86_64-linux-gnu/libxerces-c-3.2.so > <http://libxerces-c-3.2.so> > #14 0x00007ffff7e27163 in xercesc_3_2::SAX2XMLReaderImpl::cleanUp() > () from /lib/x86_64-linux-gnu/libxerces-c-3.2.so > <http://libxerces-c-3.2.so> > #15 0x00007ffff7e29a66 in > xercesc_3_2::SAX2XMLReaderImpl::~SAX2XMLReaderImpl() () from > /lib/x86_64-linux-gnu/libxerces-c-3.2.so <http://libxerces-c-3.2.so> > #16 0x00007ffff7e29a7d in > xercesc_3_2::SAX2XMLReaderImpl::~SAX2XMLReaderImpl() () from > /lib/x86_64-linux-gnu/libxerces-c-3.2.so <http://libxerces-c-3.2.so> > #17 0x0000555555cb0d9c in SUMOSAXReader::~SUMOSAXReader() () > #18 0x0000555555cc45b4 in XMLSubSys::close() () > #19 0x0000555555d0a097 in SystemFrame::close() () > #20 0x000055555574c388 in main () > > Running with valgrind I got > > connection closed by SUMO > ==15450== Invalid write of size 8 > ==15450== at 0x433D64: TraCIServer::cleanup() (in > /usr/local/bin/sumo) > ==15450== by 0x437089: TraCIServer::~TraCIServer() (in > /usr/local/bin/sumo) > ==15450== by 0x4373DC: TraCIServer::~TraCIServer() (in > /usr/local/bin/sumo) > ==15450== by 0x437408: TraCIServer::close() (in /usr/local/bin/sumo) > ==15450== by 0x300382: main (in /usr/local/bin/sumo) > ==15450== Address 0x9fd9130 is 0 bytes inside a block of size 112 > free'd > ==15450== at 0x484584F: operator delete(void*) (in > /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) > ==15450== by 0x437060: TraCIServer::~TraCIServer() (in > /usr/local/bin/sumo) > ==15450== by 0x4373DC: TraCIServer::~TraCIServer() (in > /usr/local/bin/sumo) > ==15450== by 0x437408: TraCIServer::close() (in /usr/local/bin/sumo) > ==15450== by 0x300382: main (in /usr/local/bin/sumo) > ==15450== Block was alloc'd at > ==15450== at 0x4842FB3: operator new(unsigned long) (in > /usr/libexec/valgrind/vgpreload_memcheck-amd64-linux.so) > ==15450== by 0x43CD8B: TraCIServer::TraCIServer(long long, int, > int) (in /usr/local/bin/sumo) > ==15450== by 0x43FD87: TraCIServer::openSocket(std::map<int, bool > (*)(TraCIServer&, tcpip::Storage&, tcpip::Storage&), std::less<int>, > std::allocator<std::pair<int const, bool (*)(TraCIServer&, > tcpip::Storage&, tcpip::Storage&)> > > const&) (in /usr/local/bin/sumo) > ==15450== by 0x5348CF: NLBuilder::init(bool) (in /usr/local/bin/sumo) > ==15450== by 0x300286: main (in /usr/local/bin/sumo) > > I hope this helps > > Best regards, Harald > > Am 10.05.21 um 19:35 schrieb Marcelo Andrade Rodrigues D Almeida: >> Hi Michael >> >> See the slightly changed attached example. >> >> Thank you >> >> >> Sincerely, >> >> Marcelo d'Almeida >> >> On Sun, May 9, 2021 at 8:06 AM Michael Behrisch <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi, >> I just ran it from the command line not in an IDE. I probably >> won't be >> able to reproduce it if it just occurs in an IDE. Does it >> occur at all >> if you run from the command line (or without breakpoints)? >> >> Best regards, >> Michael >> >> Am 06.05.21 um 17:27 schrieb Marcelo Andrade Rodrigues D Almeida: >> > Hi Michael >> > >> > Thank you for your reply >> > >> > I tested again with the daily version and the errors still >> happen when >> > putting a breakpoint (e.g., sumo_env.py l. 111) >> > >> > The errors occur more frequently when using Pycharm >> (2020.1.5 community) >> > than using vscode (1.56.0). I'm not sure why. I'm using >> Python 3.6 on >> > Linux (Ubuntu 20.04). >> > >> > Did you test with breakpoints too? >> > >> > Thank you >> > >> > >> > Sincerely, >> > >> > Marcelo d'Almeida >> > >> > >> > On Mon, May 3, 2021 at 10:05 AM Michael Behrisch >> <[email protected] <mailto:[email protected]> >> > <mailto:[email protected] <mailto:[email protected]>>> wrote: >> > >> > Hi, >> > I ran your example here (Python 3.6 on Linux), with the >> most recent >> > SUMO >> > (built today) changing max_workers to 2 and experienced >> no problems. >> > >> > Can you give more details on your environment? >> > >> > Best regards, >> > Michael >> > >> > Am 29.04.21 um 15:19 schrieb Marcelo Andrade Rodrigues D >> Almeida: >> > > Thank you for your response >> > > >> > > See new attached version >> > > >> > > >> > > Sincerely, >> > > >> > > Marcelo d'Almeida >> > > >> > > >> > > On Thu, Apr 29, 2021 at 10:12 AM Michael Behrisch >> > <[email protected] <mailto:[email protected]> >> <mailto:[email protected] <mailto:[email protected]>> >> > > <mailto:[email protected] <mailto:[email protected]> >> <mailto:[email protected] <mailto:[email protected]>>>> wrote: >> > > >> > > Hi, >> > > in your example code the synchronization_util is >> missing. Can you >> > > add it >> > > and resend the zip? >> > > >> > > Best regards, >> > > Michael >> > > >> > > Am 25.04.21 um 22:45 schrieb Marcelo Andrade >> Rodrigues D Almeida: >> > > > Hi everyone >> > > > >> > > > I'm having trouble using multiple simulations >> in different >> > threads >> > > > >> > > > The difference can be perceived by changing >> max_workers to >> > 1 and 2. >> > > > " with >> > > >> ThreadPoolExecutor(max_workers=len(possible_actions)) as >> > > > executor:" (planning_only_agent.py, line 100) >> > > > >> > > > [See attached example (a very simplified >> version of what I'm >> > > actually >> > > > using)] >> > > > >> > > > With max_workers=1, it works just fine. >> > > > >> > > > With 2, it gives all sort of errors: >> > > > >> > > > "bad char in struct format" >> > > > "unpack requires a buffer of [x] bytes" >> > > > A lot of times it just hangs >> > > > "Received answer 0 for command 211." >> > > > >> > > > >> > > > The easiest way I found to reproduce is to add a >> > breakpoint into a >> > > > subscribe call and hit continue several times. >> It is >> > likely to crash >> > > > when threads stop at the same command, >> although it occurs >> > eventually >> > > > without breaking points. >> > > > >> > > > Tested in version 1.9.0 (specifically >> v1_9_0+0210-fa53508669) >> > > > >> > > > Thank you in advance >> > > > >> > > > >> > > > Sincerely, >> > > > >> > > > Marcelo d'Almeida >> > > > >> > > > _______________________________________________ >> > > > sumo-user mailing list >> > > > [email protected] >> <mailto:[email protected]> <mailto:[email protected] >> <mailto:[email protected]>> >> > <mailto:[email protected] >> <mailto:[email protected]> <mailto:[email protected] >> <mailto:[email protected]>>> >> > > > To unsubscribe from this list, visit >> > > https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> > <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user>> >> > > >> <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> > <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user>>> >> > > > >> > > _______________________________________________ >> > > sumo-user mailing list >> > > [email protected] <mailto:[email protected]> >> <mailto:[email protected] <mailto:[email protected]>> >> > <mailto:[email protected] >> <mailto:[email protected]> <mailto:[email protected] >> <mailto:[email protected]>>> >> > > To unsubscribe from this list, visit >> > > https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> > <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user>> >> > > >> <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> > <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user>>> >> > > >> > > >> > > _______________________________________________ >> > > sumo-user mailing list >> > > [email protected] <mailto:[email protected]> >> <mailto:[email protected] <mailto:[email protected]>> >> > > To unsubscribe from this list, visit >> > https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> > <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user>> >> > > >> > _______________________________________________ >> > sumo-user mailing list >> > [email protected] <mailto:[email protected]> >> <mailto:[email protected] <mailto:[email protected]>> >> > To unsubscribe from this list, visit >> > https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> > <https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user>> >> > >> > >> > _______________________________________________ >> > sumo-user mailing list >> > [email protected] <mailto:[email protected]> >> > To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> > >> _______________________________________________ >> sumo-user mailing list >> [email protected] <mailto:[email protected]> >> To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> >> >> >> _______________________________________________ >> sumo-user mailing list >> [email protected] <mailto:[email protected]> >> To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/sumo-user >> <https://www.eclipse.org/mailman/listinfo/sumo-user> > _______________________________________________ > sumo-user mailing list > [email 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