The first guess I would have is that this may have something to do with https://github.com/ceph/ceph/pull/15352 Could you try backing that change out Willem and let us know how that goes? On Fri, Jun 2, 2017 at 9:00 AM, Willem Jan Withagen <wjw@xxxxxxxxxxx> wrote: > Any hints on what changes in the current code generates the illegal > memaccess in the trace below? > > Lots of tests fail, and I guess that mst have to do with this. > > --WjW > > Program received signal SIGSEGV, Segmentation fault. > 0x00000008025e693e in std::__1::__atomic_base<unsigned long, > true>::fetch_add (this=0x108803637688, > __op=1, __m=std::__1::memory_order_seq_cst) at > /usr/include/c++/v1/atomic:980 > 980 {return __c11_atomic_fetch_add(&this->__a_, __op, __m);} > (gdb) bt > #0 0x00000008025e693e in std::__1::__atomic_base<unsigned long, > true>::fetch_add (this=0x108803637688, > __op=1, __m=std::__1::memory_order_seq_cst) at > /usr/include/c++/v1/atomic:980 > #1 std::__1::__atomic_base<unsigned long, true>::operator+= > (this=0x108803637688, __op=1) > at /usr/include/c++/v1/atomic:1025 > #2 mempool::pool_t::adjust_count (this=0x108803637680, items=1, bytes=42) > at /home/jenkins/workspace/ceph-master/src/common/mempool.cc:85 > #3 0x00000008024f1bfb in ceph::buffer::raw::reassign_to_mempool > (this=0x1076130, pool=-1) > at /home/jenkins/workspace/ceph-master/src/common/buffer.cc:196 > #4 0x00000008024e1b19 in ceph::buffer::list::reserve > (this=0x7fffffffd040, prealloc=42) > at /home/jenkins/workspace/ceph-master/src/common/buffer.cc:1772 > #5 0x00000000004d0ad5 in ceph::buffer::list::list (this=0x7fffffffd040, > prealloc=42) > at /home/jenkins/workspace/ceph-master/src/include/buffer.h:662 > #6 0x00000000004b4114 in Legacy::encode_n (n=42, segments=...) > at /home/jenkins/workspace/ceph-master/src/test/test_denc.cc:610 > #7 0x00000000004b4d22 in > denc_no_copy_if_segmented_and_lengthy_Test::TestBody (this=0x1068070) > at /home/jenkins/workspace/ceph-master/src/test/test_denc.cc:633 > #8 0x00000000005ea62e in > testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, > void> ( > object=0x1068070, method=&virtual testing::Test::TestBody(), > location=0x6156ee "the test body") > at > /home/jenkins/workspace/ceph-master/src/googletest/googletest/src/gtest.cc:2402 > #9 0x00000000005ccabb in > testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, > void> ( > object=0x1068070, method=&virtual testing::Test::TestBody(), > location=0x6156ee "the test body") > at > /home/jenkins/workspace/ceph-master/src/googletest/googletest/src/gtest.cc:2438 > #10 0x00000000005885c6 in testing::Test::Run (this=0x1068070) > at > /home/jenkins/workspace/ceph-master/src/googletest/googletest/src/gtest.cc:2474 > #11 0x000000000058ad0d in testing::TestInfo::Run (this=0x106edd0) > at > /home/jenkins/workspace/ceph-master/src/googletest/googletest/src/gtest.cc:2656 > #12 0x000000000058bfcc in testing::TestCase::Run (this=0x106e0d0) > at > /home/jenkins/workspace/ceph-master/src/googletest/googletest/src/gtest.cc:2774 > #13 0x00000000005a2e8c in testing::internal::UnitTestImpl::RunAllTests > (this=0x1072000) > at > /home/jenkins/workspace/ceph-master/src/googletest/googletest/src/gtest.cc:4649 > #14 0x00000000005ed4be in > testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, > bool> (object=0x1072000, > method=(bool > (testing::internal::UnitTestImpl::*)(testing::internal::UnitTestImpl * > const)) 0x5a2af0 <testing::internal::UnitTestImpl::RunAllTests()>, > location=0x615d71 "auxiliary test code (environments or event > listeners)") > at > /home/jenkins/workspace/ceph-master/src/googletest/googletest/src/gtest.cc:2402 > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Cheers, Brad -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
