Ceph

(gdb) bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58
#1  0x00007f800dbb251a in __GI_abort () at abort.c:89
#2  0x00007f800dba8da7 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x560275d03a50 "reservation < max_tag || proportion < max_tag", 
    file=file@entry=0x560275d03a10 "/home/brad/working/src/ceph3/src/dmclock/src/dmclock_server.h", line=line@entry=143, 
    function=function@entry=0x560275d04840 <crimson::dmclock::RequestTag::RequestTag(crimson::dmclock::RequestTag const&, crimson::dmclock::ClientInfo const&, crimson::dmclock::ReqParams const&, double const&, double)::__PRETTY_FUNCTION__> "crimson::dmclock::RequestTag::RequestTag(const crimson::dmclock::RequestTag&, const crimson::dmclock::ClientInfo&, const crimson::dmclock::ReqParams&, const Time&, double)") at assert.c:92
#3  0x00007f800dba8e52 in __GI___assert_fail (assertion=assertion@entry=0x560275d03a50 "reservation < max_tag || proportion < max_tag", file=file@entry=0x560275d03a10 "/home/brad/working/src/ceph3/src/dmclock/src/dmclock_server.h", 
    line=line@entry=143, 
    function=function@entry=0x560275d04840 <crimson::dmclock::RequestTag::RequestTag(crimson::dmclock::RequestTag const&, crimson::dmclock::ClientInfo const&, crimson::dmclock::ReqParams const&, double const&, double)::__PRETTY_FUNCTION__> "crimson::dmclock::RequestTag::RequestTag(const crimson::dmclock::RequestTag&, const crimson::dmclock::ClientInfo&, const crimson::dmclock::ReqParams&, const Time&, double)") at assert.c:101
#4  0x0000560275cd1289 in crimson::dmclock::RequestTag::RequestTag (this=<optimized out>, prev_tag=..., client=..., req_params=..., time=<optimized out>, cost=<optimized out>)
    at /home/brad/working/src/ceph3/src/dmclock/src/dmclock_server.h:143
#5  0x0000560275cd5665 in crimson::dmclock::PriorityQueueBase<int, Request, 2u>::do_add_request(std::unique_ptr<Request, std::default_delete<Request> >&&, int const&, crimson::dmclock::ReqParams const&, double, double) (
    this=this@entry=0x5602764a2500, request=request@entry=<unknown type in /home/brad/working/src/ceph3/build/bin/dmclock-tests, CU 0x54a40, DIE 0xbac30>, client_id=@0x7ffc57c30ac8: 17, req_params=..., time=<optimized out>, 
    time@entry=1495153924.6129251, cost=cost@entry=0) at /home/brad/working/src/ceph3/src/dmclock/src/dmclock_server.h:825
#6  0x0000560275cc9548 in crimson::dmclock::PullPriorityQueue<int, Request, 2u>::add_request(std::unique_ptr<Request, std::default_delete<Request> >&&, int const&, crimson::dmclock::ReqParams const&, double, double) (addl_cost=0, 
    time=1495153924.6129251, req_params=..., client_id=@0x7ffc57c30ac8: 17, request=<unknown type in /home/brad/working/src/ceph3/build/bin/dmclock-tests, CU 0x54a40, DIE 0xbac30>, this=0x5602764a2500)
    at /home/brad/working/src/ceph3/src/dmclock/src/dmclock_server.h:1216
#7  crimson::dmclock::PullPriorityQueue<int, Request, 2u>::add_request (this=0x5602764a2500, client_id=@0x7ffc57c30ac8: 17, req_params=..., request=..., addl_cost=0) at /home/brad/working/src/ceph3/src/dmclock/src/dmclock_server.h:1156
#8  0x0000560275cc9a52 in crimson::dmclock::dmclock_server_bad_tag_deathtest_Test::TestBody (this=<optimized out>) at /home/brad/working/src/ceph3/src/dmclock/test/test_dmclock_server.cc:67
#9  0x0000560275d01ba4 in testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void> (location=0x560275d09d2e "the test body", method=<optimized out>, object=<optimized out>)
    at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:2402
#10 testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void> (object=object@entry=0x56027649bcc0, method=<optimized out>, location=location@entry=0x560275d09d2e "the test body")
    at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:2438
#11 0x0000560275cf84ca in testing::Test::Run (this=0x56027649bcc0) at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:2475
#12 0x0000560275cf8618 in testing::TestInfo::Run (this=0x56027649c580) at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:2656
#13 0x0000560275cf86f5 in testing::TestCase::Run (this=0x56027649c700) at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:2774
#14 0x0000560275cf89d7 in testing::internal::UnitTestImpl::RunAllTests (this=0x56027649bed0) at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:4649
#15 0x0000560275d02054 in testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> (location=0x560275d092e8 "auxiliary test code (environments or event listeners)", method=<optimized out>, 
    object=<optimized out>) at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:2402
#16 testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> (object=0x56027649bed0, method=<optimized out>, 
    location=location@entry=0x560275d092e8 "auxiliary test code (environments or event listeners)") at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:2438
#17 0x0000560275cf8cf4 in testing::UnitTest::Run (this=0x560275f21ae0 <testing::UnitTest::GetInstance()::instance>) at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest.cc:4257
#18 0x0000560275cab229 in RUN_ALL_TESTS () at /home/brad/working/src/ceph3/src/googletest/googletest/include/gtest/gtest.h:2233
#19 main (argc=<optimized out>, argv=0x7ffc57c31048) at /home/brad/working/src/ceph3/src/googletest/googletest/src/gtest_main.cc:37
(gdb) f
#4  0x0000560275cd1289 in crimson::dmclock::RequestTag::RequestTag (this=<optimized out>, prev_tag=..., client=..., req_params=..., time=<optimized out>, cost=<optimized out>)
    at /home/brad/working/src/ceph3/src/dmclock/src/dmclock_server.h:143
143             assert(reservation < max_tag || proportion < max_tag);