Package: libassimp4 Version: 4.1.0~dfsg-4 Severity: normal Hi,
a recent upload of kido started failing on buildd armhf: https://buildd.debian.org/status/fetch.php?pkg=kido&arch=armhf&ver=0.1.0%2Bdfsg-6&stamp=1539567498&raw=0 5/30 Test #9: testForwardKinematics ............***Exception: Bus error 0.05 sec Steve (Cc) helped me to debug this in #debian-arm. (gdb) bt #0 Assimp::STLImporter::LoadBinaryFile (this=this@entry=0xa2aa90) at ./code/STLLoader.cpp:455 #1 0xb60ebfc0 in Assimp::STLImporter::InternReadFile (this=0xa2aa90, pFile="file:///home/jspricke/kido-0.1.0+dfsg/data/urdf/KR5/meshes/base_link.STL", pScene=0xa28c00, pIOHandler=<optimized out>) at ./code/STLLoader.cpp:204 #2 0xb5eaf110 in Assimp::BaseImporter::ReadFile (this=this@entry=0xa2aa90, pImp=pImp@entry=0xa19f48, pFile="file:///home/jspricke/kido-0.1.0+dfsg/data/urdf/KR5/meshes/base_link.STL", pIOHandler=<optimized out>) at ./code/BaseImporter.cpp:97 #3 0xb5eb6d54 in Assimp::Importer::ReadFile (this=this@entry=0xa19f48, _pFile=_pFile@entry=0xa1a6c8 "file:///home/jspricke/kido-0.1.0+dfsg/data/urdf/KR5/meshes/base_link.STL", pFlags=pFlags@entry=2129962) at ./code/Importer.cpp:673 #4 0xb5ea987e in aiImportFileExWithProperties (pFile=0xa1a6c8 "file:///home/jspricke/kido-0.1.0+dfsg/data/urdf/KR5/meshes/base_link.STL", pFlags=2129962, pFS=pFS@entry=0xbee4a950, props=props@entry=0xa28e50) at ./code/Assimp.cpp:191 #5 0xb6cf11d2 in kido::dynamics::MeshShape::loadMesh (_uri="file:///home/jspricke/kido-0.1.0+dfsg/data/urdf/KR5/meshes/base_link.STL", _retriever=std::shared_ptr<kido::common::ResourceRetriever> (use count 3, weak count 0) = {...}) at /usr/include/c++/8/bits/basic_string.h:2281 #6 0xb6f05ab2 in kido::utils::KidoLoader::createShape<urdf::Visual> (_vizOrCol=0xa28ed0, _baseUri=..., _resourceRetriever=std::shared_ptr<kido::common::ResourceRetriever> (use count 3, weak count 0) = {...}) at /usr/include/c++/8/ext/atomicity.h:69 #7 0xb6f01e3e in kido::utils::KidoLoader::createKidoNodeProperties (_lk=_lk@entry=0xa1caa0, node=..., _baseUri=..., _resourceRetriever=std::shared_ptr<kido::common::ResourceRetriever> (use count 3, weak count 0) = {...}) at /usr/include/c++/8/bits/stl_vector.h:948 #8 0xb6f0393a in kido::utils::KidoLoader::modelInterfaceToSkeleton (_model=<optimized out>, _baseUri=..., _resourceRetriever=std::shared_ptr<kido::common::ResourceRetriever> (use count 3, weak count 0) = {...}) at ./kido/utils/urdf/KidoLoader.cpp:181 #9 0xb6f03f0c in kido::utils::KidoLoader::parseSkeleton (this=<optimized out>, _uri=..., _resourceRetriever=...) at ./kido/utils/urdf/KidoLoader.cpp:66 #10 0x004cc01c in FORWARD_KINEMATICS_JACOBIAN_PARTIAL_CHANGE_Test::TestBody (this=<optimized out>) at /usr/include/c++/8/bits/shared_ptr_base.h:1094 #11 0x004e9134 in testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void> (location=0x4ee9d0 "the test body", method=&virtual testing::Test::TestBody(), object=0xa1b588) at ./unittests/gtest/src/gtest.cc:2059 #12 testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void> (object=object@entry=0xa1b588, method=&virtual testing::Test::TestBody(), location=0x4ee9d0 "the test body") at ./unittests/gtest/src/gtest.cc:2114 #13 0x004e34a4 in testing::Test::Run (this=0xa1b588) at ./unittests/gtest/src/gtest.cc:2150 #14 0x004e3596 in testing::TestInfo::Run (this=0xa17880) at ./unittests/gtest/src/gtest.cc:2326 #15 0x004e362e in testing::TestCase::Run (this=0xa17698) at ./unittests/gtest/src/gtest.cc:2443 #16 0x004e39d0 in testing::internal::UnitTestImpl::RunAllTests (this=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930 #17 0x004e3ab2 in testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> (location=0x4eeb3c "auxiliary test code (environments or event listeners)", method=<optimized out>, object=<optimized out>) at ./unittests/gtest/src/gtest.cc:2059 #18 testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> (location=0x4eeb3c "auxiliary test code (environments or event listeners)", method=<optimized out>, object=0xa17438) at ./unittests/gtest/src/gtest.cc:2114 #19 testing::UnitTest::Run (this=0x504040 <testing::UnitTest::GetInstance()::instance>) at ./unittests/gtest/src/gtest.cc:3926 #20 0x004cae84 in RUN_ALL_TESTS () at ./unittests/gtest/include/gtest/gtest.h:2288 #21 main (argc=<optimized out>, argv=<optimized out>) at ./unittests/testForwardKinematics.cpp:212 Dump of assembler code for function Assimp::STLImporter::LoadBinaryFile(): ... 0xb60e9f8c <+428>: add.w r6, r0, #36 ; 0x24 0xb60e9f90 <+432>: add r3, pc 0xb60e9f92 <+434>: adds r5, #36 ; 0x24 0xb60e9f94 <+436>: str r3, [sp, #16] 0xb60e9f96 <+438>: mov.w r9, #0 0xb60e9f9a <+442>: b.n 0xb60e9faa <Assimp::STLImporter::LoadBinaryFile()+458> 0xb60e9f9c <+444>: add.w r9, r9, #1 0xb60e9fa0 <+448>: adds r6, #36 ; 0x24 0xb60e9fa2 <+450>: cmp r10, r9 0xb60e9fa4 <+452>: add.w r5, r5, #36 ; 0x24 0xb60e9fa8 <+456>: bls.n 0xb60ea080 <Assimp::STLImporter::LoadBinaryFile()+672> => 0xb60e9faa <+458>: ldmia.w r4, {r0, r1, r2} 0xb60e9fae <+462>: sub.w r3, r6, #36 ; 0x24 0xb60e9fb2 <+466>: sub.w r11, r6, #24 0xb60e9fb6 <+470>: add.w lr, r4, #12 0xb60e9fba <+474>: sub.w r7, r5, #36 ; 0x24 0xb60e9fbe <+478>: add.w r12, r4, #24 0xb60e9fc2 <+482>: stmia.w r3, {r0, r1, r2} 0xb60e9fc6 <+486>: stmia.w r11, {r0, r1, r2} 0xb60e9fca <+490>: add.w r11, r4, #36 ; 0x24 0xb60e9fce <+494>: ldmia.w r3, {r0, r1, r2} 0xb60e9fd2 <+498>: sub.w r3, r5, #24 ... (gdb) print vn $1 = (aiVector3D *) 0xa40024 (gdb) print sz $2 = (const unsigned char *) 0xa2b186 "\310~\262=\235\006\177\277" Quoting from #debian-arm: 18:28:38 Sledge | it's just casting aiVector3D* over an unaligned char * arrary 18:28:52 Sledge | sz is 0xa2b186 18:28:59 Sledge | which is not 4-byte aligned like it needs to be -- System Information: Debian Release: buster/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: armhf (armv7l) Kernel: Linux 4.18.0-1-armmp (SMP w/8 CPU cores) Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE=de_DE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages libassimp4 depends on: ii libc6 2.27-6 ii libgcc1 1:8.2.0-8 ii libminizip1 1.1-8+b1 ii libstdc++6 8.2.0-8 ii zlib1g 1:1.2.11.dfsg-1 libassimp4 recommends no packages. libassimp4 suggests no packages. -- debconf-show failed
