https://reviews.apache.org/r/12215
On Mon, Jul 1, 2013 at 1:45 PM, Brenden Matthews < [email protected]> wrote: > It is indeed ubuntu, with an EC2 kernel: > > Linux i-abababa 3.2.0-45-virtual #70-Ubuntu SMP Wed May 29 20:31:52 UTC > 2013 x86_64 x86_64 x86_64 GNU/Linux > > > On Mon, Jul 1, 2013 at 1:41 PM, Benjamin Mahler > <[email protected]>wrote: > > > Very useful, thanks Brenden! I found a few pointers to potential issues: > > http://lkml.indiana.edu/hypermail/linux/kernel/1207.1/01388.html > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1023214 > > > > Is this on Ubuntu? I'll prepare a fix. > > > > > > On Mon, Jul 1, 2013 at 1:18 PM, Brenden Matthews < > > [email protected]> wrote: > > > > > It looks like stime is wacky: > > > > > > I0701 20:16:45.686691 16005 process_isolator.cpp:99] Launching > > > > executor_Task_Tracker_39837 (cd hadoop-* && ./bin/mesos-executor) in > > > > > > > > > > /tmp/mesos/slaves/201307011931-3660134922-5050-27773-98/frameworks/201306291951-3660134922-5050-13580-0002/executors/executor_Task_Tracker_39837/runs/b04e3e21-27df-49c6-92ff-e2d8c445cde5 > > > > with resources cpus=1; mem=5000' for framework > > > > 201306291951-3660134922-5050-13580-0002 > > > > I0701 20:16:45.687299 15993 slave.cpp:510] Successfully attached file > > > > > > > > > > '/tmp/mesos/slaves/201307011931-3660134922-5050-27773-98/frameworks/201306291951-3660134922-5050-13580-0002/executors/executor_Task_Tracker_39837/runs/b04e3e21-27df-49c6-92ff-e2d8c445cde5' > > > > I0701 20:16:45.689007 16005 process_isolator.cpp:161] Forked executor > > at > > > > 16141 > > > > Fetching resources into > > > > > > > > > > '/tmp/mesos/slaves/201307011931-3660134922-5050-27773-98/frameworks/201306291951-3660134922-5050-13580-0002/executors/executor_Task_Tracker_39837/runs/b04e3e21-27df-49c6-92ff-e2d8c445cde5' > > > > Fetching resource > > > 'hdfs://airfs-h1/hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > > Downloading resource from > > > > 'hdfs://airfs-h1/hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > > HDFS command: hadoop fs -copyToLocal > > > > 'hdfs://airfs-h1/hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > > './hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > > Extracting resource: tar xJf > './hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > > utime=0 stime=0 ticks=100 > > > > utime=0 stime=1 ticks=100 > > > > utime=0 stime=1 ticks=100 > > > > utime=0 stime=1 ticks=100 > > > > utime=0 stime=1 ticks=100 > > > > utime=0 stime=1 ticks=100 > > > > utime=0 stime=1 ticks=100 > > > > utime=80 stime=537 ticks=100 > > > > utime=9 stime=0 ticks=100 > > > > utime=0 stime=2432 ticks=100 > > > > utime=0 stime=4344 ticks=100 > > > > utime=1589 stime=0 ticks=100 > > > > utime=0 stime=1608 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=2 stime=4286 ticks=100 > > > > utime=1139 stime=0 ticks=100 > > > > utime=0 stime=1571 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=0 stime=1740 ticks=100 > > > > utime=158 stime=958 ticks=100 > > > > utime=0 stime=1403 ticks=100 > > > > utime=35 stime=1527 ticks=100 > > > > utime=1033 stime=0 ticks=100 > > > > utime=0 stime=1514 ticks=100 > > > > utime=8 stime=1454 ticks=100 > > > > utime=1046 stime=0 ticks=100 > > > > utime=0 stime=1389 ticks=100 > > > > utime=1 stime=1309 ticks=100 > > > > utime=984 stime=0 ticks=100 > > > > utime=0 stime=1554 ticks=100 > > > > utime=22 stime=1209 ticks=100 > > > > utime=1015 stime=0 ticks=100 > > > > utime=0 stime=1316 ticks=100 > > > > utime=2 stime=1299 ticks=100 > > > > utime=637 stime=328 ticks=100 > > > > utime=0 stime=1736 ticks=100 > > > > utime=53 stime=1091 ticks=100 > > > > utime=1080 stime=0 ticks=100 > > > > utime=0 stime=1503 ticks=100 > > > > utime=49 stime=909 ticks=100 > > > > utime=864 stime=0 ticks=100 > > > > utime=0 stime=1447 ticks=100 > > > > utime=2 stime=1123 ticks=100 > > > > utime=887 stime=0 ticks=100 > > > > utime=0 stime=1583 ticks=100 > > > > utime=20 stime=1104 ticks=100 > > > > utime=568 stime=319 ticks=100 > > > > utime=0 stime=1582 ticks=100 > > > > utime=20 stime=1041 ticks=100 > > > > utime=928 stime=0 ticks=100 > > > > utime=0 stime=1380 ticks=100 > > > > utime=27 stime=1061 ticks=100 > > > > utime=911 stime=0 ticks=100 > > > > utime=0 stime=1500 ticks=100 > > > > utime=57 stime=1031 ticks=100 > > > > utime=996 stime=0 ticks=100 > > > > utime=0 stime=1678 ticks=100 > > > > utime=3 stime=1018 ticks=100 > > > > utime=976 stime=0 ticks=100 > > > > utime=0 stime=1164 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=39 stime=617 ticks=100 > > > > utime=938 stime=0 ticks=100 > > > > utime=0 stime=1276 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=42 stime=667 ticks=100 > > > > utime=919 stime=0 ticks=100 > > > > utime=0 stime=1308 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=24 stime=747 ticks=100 > > > > utime=1156 stime=0 ticks=100 > > > > utime=0 stime=1863 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=8 stime=616 ticks=100 > > > > utime=894 stime=0 ticks=100 > > > > utime=0 stime=1036 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=6 stime=740 ticks=100 > > > > utime=933 stime=0 ticks=100 > > > > utime=0 stime=975 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=140 stime=491 ticks=100 > > > > utime=942 stime=0 ticks=100 > > > > utime=0 stime=1117 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=116 stime=578 ticks=100 > > > > utime=869 stime=0 ticks=100 > > > > utime=0 stime=1121 ticks=100 > > > > utime=0 stime=0 ticks=100 > > > > utime=52 stime=1844674407370 ticks=100 > > > > Try::get() but state == ERROR: Argument larger than the maximum > number > > of > > > > seconds that a Duration can represent due to int64_t's size limit. > > > > *** Aborted at 1372709810 (unix time) try "date -d @1372709810" if > you > > > are > > > > using GNU date *** > > > > PC: @ 0x7f80329a7425 (unknown) > > > > *** SIGABRT (@0x3e4c) received by PID 15948 (TID 0x7f802a1e5700) from > > PID > > > > 15948; stack trace: *** > > > > @ 0x7f8032d3fcb0 (unknown) > > > > @ 0x7f80329a7425 (unknown) > > > > @ 0x7f80329aab8b (unknown) > > > > @ 0x7f803384c63a os::process() > > > > @ 0x7f803384e702 os::processes() > > > > @ 0x7f80338507bc os::children() > > > > @ 0x7f80338446b3 > > mesos::internal::slave::ProcessIsolator::usage() > > > > @ 0x7f80337cf690 std::tr1::_Function_handler<>::_M_invoke() > > > > @ 0x7f80337dd606 process::internal::pdispatcher<>() > > > > @ 0x7f80337d08e8 std::tr1::_Function_handler<>::_M_invoke() > > > > @ 0x7f80339c215c process::ProcessManager::resume() > > > > @ 0x7f80339c2dbc process::schedule() > > > > @ 0x7f8032d37e9a start_thread > > > > @ 0x7f8032a64ccd (unknown) > > > > I0701 20:16:54.926120 16220 main.cpp:119] Creating "process" isolator > > > > I0701 20:16:54.926836 16220 main.cpp:127] Build: 2013-06-15 01:24:12 > by > > > > root > > > > I0701 20:16:54.926872 16220 main.cpp:128] Starting Mesos slave > > > > > > > > > > > > > > > On Mon, Jul 1, 2013 at 12:30 PM, Brenden Matthews < > > > [email protected]> wrote: > > > > > > > Not yet! As soon as I have some samples I'll pass them along. > > > > > > > > > > > > On Mon, Jul 1, 2013 at 12:25 PM, Benjamin Mahler < > > > > [email protected]> wrote: > > > > > > > >> Cool, do you have the values handy? > > > >> > > > >> > > > >> On Mon, Jul 1, 2013 at 12:18 PM, Brenden Matthews < > > > >> [email protected]> wrote: > > > >> > > > >> > I did a quick patch to print out the values. It seems to happen > > > >> frequently > > > >> > on some slaves, and not at all on others. > > > >> > > > > >> > > > > >> > On Mon, Jul 1, 2013 at 12:07 PM, Benjamin Mahler > > > >> > <[email protected]>wrote: > > > >> > > > > >> > > Looks likely, would have been nice if we printed it out! ;) > > > >> > > > > > >> > > I'm curious, is this something rare? Or is it crashing > > consistently? > > > >> The > > > >> > > former would point to something odd with the values in > > > >> /proc/<pid>/stat, > > > >> > > the latter would point to an issue with our code. > > > >> > > > > > >> > > I can send out a fix today, but without being able to reproduce > it > > > >> would > > > >> > > simply be ignoring the strange utime / stime values. > > > >> > > > > > >> > > > > > >> > > On Mon, Jul 1, 2013 at 11:12 AM, Brenden Matthews < > > > >> > > [email protected]> wrote: > > > >> > > > > > >> > > > Hey guys, > > > >> > > > > > > >> > > > I'm getting another slave crash with the process usage stuff. > > > >> Here's > > > >> > the > > > >> > > > log: > > > >> > > > > > > >> > > > I0701 16:44:51.263236 11682 slave.cpp:528] New master detected > > at > > > >> > > > > [email protected]:5050 > > > >> > > > > I0701 16:44:51.263598 11672 gc.cpp:56] Scheduling > > > >> > > > > '/tmp/mesos/slaves/201306291951-3660134922-5050-13580-1538' > > for > > > >> > removal > > > >> > > > > I0701 16:44:51.264078 11676 status_update_manager.cpp:155] > New > > > >> master > > > >> > > > > detected at [email protected]:5050 > > > >> > > > > I0701 16:44:51.283917 11672 slave.cpp:588] Registered with > > > master > > > >> > > > > [email protected]:5050; given slave ID > > > >> > > > > 201306291951-3660134922-5050-13580-2759 > > > >> > > > > I0701 16:44:52.194198 11657 slave.cpp:1413] Got registration > > for > > > >> > > executor > > > >> > > > > 'executor_Task_Tracker_37434' of framework > > > >> > > > > 201306291951-3660134922-5050-13580-0002 > > > >> > > > > W0701 16:44:52.194744 11657 slave.cpp:1438] Shutting down > > > >> executor > > > >> > > > > 'executor_Task_Tracker_37434' as the framework > > > >> > > > > 201306291951-3660134922-5050-13580-0002 does not > > > >> > > > > exist > > > >> > > > > I0701 16:44:56.630949 11666 slave.cpp:738] Got assigned task > > > >> > > > > Task_Tracker_37439 for framework > > > >> > > 201306291951-3660134922-5050-13580-0002 > > > >> > > > > I0701 16:44:56.632294 11666 slave.cpp:836] Launching task > > > >> > > > > Task_Tracker_37439 for framework > > > >> > > 201306291951-3660134922-5050-13580-0002 > > > >> > > > > I0701 16:44:56.634282 11666 paths.hpp:303] Created executor > > > >> directory > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > '/tmp/mesos/slaves/201306291951-3660134922-5050-13580-2759/frameworks/201306291951-3660134922- > > > >> > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > 5050-13580-0002/executors/executor_Task_Tracker_37439/runs/cf5d7062-b1cd-4da6-8b67-e7d3caa8bc9d' > > > >> > > > > I0701 16:44:56.634918 11666 slave.cpp:947] Queuing task > > > >> > > > > 'Task_Tracker_37439' for executor > executor_Task_Tracker_37439 > > of > > > >> > > > framework > > > >> > > > > '201306291951-3660134922-5050-135 > > > >> > > > > 80-0002 > > > >> > > > > I0701 16:44:56.634908 11683 process_isolator.cpp:99] > Launching > > > >> > > > > executor_Task_Tracker_37439 (cd hadoop-* && > > > ./bin/mesos-executor) > > > >> in > > > >> > > > > /tmp/mesos/slaves/201306291951-3 > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > 660134922-5050-13580-2759/frameworks/201306291951-3660134922-5050-13580-0002/executors/executor_Task_Tracker_37439/runs/cf5d7062-b1cd-4da6-8b67-e7d3caa8bc9d > > > >> > > > > with re > > > >> > > > > sources cpus=1; mem=5000' for framework > > > >> > > > > 201306291951-3660134922-5050-13580-0002 > > > >> > > > > I0701 16:44:56.637537 11666 slave.cpp:510] Successfully > > attached > > > >> file > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > '/tmp/mesos/slaves/201306291951-3660134922-5050-13580-2759/frameworks/201306291951-3660134922-5050-13580-0002/executors/executor_Task_Tracker_37439/runs/cf5d7062-b1cd-4da6-8b67-e7d3caa8bc9d' > > > >> > > > > I0701 16:44:56.637923 11683 process_isolator.cpp:161] Forked > > > >> executor > > > >> > > at > > > >> > > > > 11809 > > > >> > > > > Fetching resources into > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > '/tmp/mesos/slaves/201306291951-3660134922-5050-13580-2759/frameworks/201306291951-3660134922-5050-13580-0002/executors/executor_Task_Tracker_37439/runs/cf5d7062-b1cd-4da6-8b67-e7d3caa8bc9d' > > > >> > > > > Fetching resource > > > >> > > > 'hdfs://airfs-h1/hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > >> > > > > Downloading resource from > > > >> > > > > 'hdfs://airfs-h1/hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > >> > > > > HDFS command: hadoop fs -copyToLocal > > > >> > > > > 'hdfs://airfs-h1/hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > >> > > > > './hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > >> > > > > Extracting resource: tar xJf > > > >> > './hadoop-2.0.0-mr1-cdh4.2.1-mesos.tar.xz' > > > >> > > > > Try::get() but state == ERROR: Argument larger than the > > maximum > > > >> > number > > > >> > > of > > > >> > > > > seconds that a Duration can represent due to int64_t's size > > > limit. > > > >> > > > > *** Aborted at 1372697101 (unix time) try "date -d > > @1372697101" > > > if > > > >> > you > > > >> > > > are > > > >> > > > > using GNU date *** > > > >> > > > > PC: @ 0x7f907ac82425 (unknown) > > > >> > > > > *** SIGABRT (@0x2d69) received by PID 11625 (TID > > 0x7f906e4b8700) > > > >> from > > > >> > > PID > > > >> > > > > 11625; stack trace: *** > > > >> > > > > @ 0x7f907b01acb0 (unknown) > > > >> > > > > @ 0x7f907ac82425 (unknown) > > > >> > > > > @ 0x7f907ac85b8b (unknown) > > > >> > > > > @ 0x7f907bb274ea os::process() > > > >> > > > > @ 0x7f907bb296d2 os::processes() > > > >> > > > > @ 0x7f907bb2b78c os::children() > > > >> > > > > @ 0x7f907bb1f5d3 > > > >> > > mesos::internal::slave::ProcessIsolator::usage() > > > >> > > > > @ 0x7f907baaa5b0 > > > >> std::tr1::_Function_handler<>::_M_invoke() > > > >> > > > > @ 0x7f907bab8526 process::internal::pdispatcher<>() > > > >> > > > > @ 0x7f907baab808 > > > >> std::tr1::_Function_handler<>::_M_invoke() > > > >> > > > > @ 0x7f907bc9d17c process::ProcessManager::resume() > > > >> > > > > @ 0x7f907bc9dddc process::schedule() > > > >> > > > > @ 0x7f907b012e9a start_thread > > > >> > > > > @ 0x7f907ad3fccd (unknown) > > > >> > > > > I0701 16:45:02.274014 11899 main.cpp:119] Creating "process" > > > >> isolator > > > >> > > > > I0701 16:45:02.274749 11899 main.cpp:127] Build: 2013-06-18 > > > >> 01:38:35 > > > >> > by > > > >> > > > > I0701 16:45:02.274782 11899 main.cpp:128] Starting Mesos > slave > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > Here's the gdb backtrace: > > > >> > > > > > > >> > > > (gdb) bt > > > >> > > > > #0 0x00007f8da4577425 in raise () from > > > >> > /lib/x86_64-linux-gnu/libc.so.6 > > > >> > > > > #1 0x00007f8da457ab8b in abort () from > > > >> > /lib/x86_64-linux-gnu/libc.so.6 > > > >> > > > > #2 0x00007f8da541c4ea in get (this=0x7f8d965a91e0) at > > > >> > > > > > > > ../../3rdparty/libprocess/3rdparty/stout/include/stout/try.hpp:66 > > > >> > > > > #3 os::process (pid=<optimized out>) at > > > >> > > > > > > > >> > > > ../../3rdparty/libprocess/3rdparty/stout/include/stout/os/linux.hpp:57 > > > >> > > > > #4 0x00007f8da541e6d2 in os::processes () at > > > >> > > > > > > > ../../3rdparty/libprocess/3rdparty/stout/include/stout/os.hpp:984 > > > >> > > > > #5 0x00007f8da542078c in os::children (pid=12260, > > > >> recursive=true) at > > > >> > > > > > > > ../../3rdparty/libprocess/3rdparty/stout/include/stout/os.hpp:997 > > > >> > > > > #6 0x00007f8da54145d3 in > > > >> > > mesos::internal::slave::ProcessIsolator::usage > > > >> > > > > (this=<optimized out>, frameworkId=..., executorId=...) > > > >> > > > > at ../../src/slave/process_isolator.cpp:396 > > > >> > > > > #7 0x00007f8da539f5b0 in operator() (__args#1=..., > > > __args#0=..., > > > >> > > > > this=<optimized out>, __object=<optimized out>) at > > > >> > > > > /usr/include/c++/4.6/tr1/functional:572 > > > >> > > > > #8 __call<mesos::internal::slave::Isolator*&, 0, 1, 2> > > > >> (__args=..., > > > >> > > > > this=<optimized out>) at > > > /usr/include/c++/4.6/tr1/functional:1153 > > > >> > > > > #9 operator()<mesos::internal::slave::Isolator*> > > > (this=<optimized > > > >> > > out>) > > > >> > > > > at /usr/include/c++/4.6/tr1/functional:1207 > > > >> > > > > #10 > > > >> > > > > > > >> > std::tr1::_Function_handler<process::Future<mesos::ResourceStatistics> > > > >> > > > > (mesos::internal::slave::Isolator*), > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > std::tr1::_Bind<std::tr1::_Mem_fn<process::Future<mesos::ResourceStatistics> > > > >> > > > > (mesos::internal::slave::Isolator::*)(mesos::FrameworkID > > const&, > > > >> > > > > mesos::ExecutorID const&)> (std::tr1::_Placeholder<1>, > > > >> > > > mesos::FrameworkID, > > > >> > > > > mesos::ExecutorID)> >::_M_invoke(std::tr1::_Any_data const&, > > > >> > > > > mesos::internal::slave::Isolator*) (__functor=..., > > > >> > __args#0=<optimized > > > >> > > > out>) > > > >> > > > > at /usr/include/c++/4.6/tr1/functional:1670 > > > >> > > > > #11 0x00007f8da53ad526 in operator() (__args#0=<optimized > > out>, > > > >> > > > > this=<optimized out>) at > > > /usr/include/c++/4.6/tr1/functional:2040 > > > >> > > > > #12 > process::internal::pdispatcher<mesos::ResourceStatistics, > > > >> > > > > mesos::internal::slave::Isolator>(process::ProcessBase*, > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > std::tr1::shared_ptr<std::tr1::function<process::Future<mesos::ResourceStatistics> > > > >> > > > > (mesos::internal::slave::Isolator*)> >, > > > >> > > > > > > std::tr1::shared_ptr<process::Promise<mesos::ResourceStatistics> > > > >> >) ( > > > >> > > > > process=<optimized out>, thunk=..., promise=...) at > > > >> > > > > ../../3rdparty/libprocess/include/process/dispatch.hpp:86 > > > >> > > > > #13 0x00007f8da53a0808 in __call<process::ProcessBase*&, 0, > 1, > > > 2> > > > >> > > > > (__args=..., this=<optimized out>) at > > > >> > > > > /usr/include/c++/4.6/tr1/functional:1153 > > > >> > > > > #14 operator()<process::ProcessBase*> (this=<optimized out>) > > at > > > >> > > > > /usr/include/c++/4.6/tr1/functional:1207 > > > >> > > > > #15 std::tr1::_Function_handler<void > (process::ProcessBase*), > > > >> > > > > std::tr1::_Bind<void (*(std::tr1::_Placeholder<1>, > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > std::tr1::shared_ptr<std::tr1::function<process::Future<mesos::ResourceStatistics> > > > >> > > > > (mesos::internal::slave::Isolator*)> >, > > > >> > > > > > > std::tr1::shared_ptr<process::Promise<mesos::ResourceStatistics> > > > >> > > > > >))(process::ProcessBase*, > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > std::tr1::shared_ptr<std::tr1::function<process::Future<mesos::ResourceStatistics> > > > >> > > > > (mesos::internal::slave::Isolator*)> >, > > > >> > > > > > > std::tr1::shared_ptr<process::Promise<mesos::ResourceStatistics> > > > >> >)> > > > >> > > > > >::_M_invoke(std::tr1::_Any_data const&, > > process::ProcessBase*) > > > >> > > > > (__functor=..., __args#0=<optimized out>) > > > >> > > > > at /usr/include/c++/4.6/tr1/functional:1684 > > > >> > > > > #16 0x00007f8da559217c in process::ProcessManager::resume > > > >> > > (this=0xeedf20, > > > >> > > > > process=0xf03df8) at > > > >> > ../../../3rdparty/libprocess/src/process.cpp:2446 > > > >> > > > > #17 0x00007f8da5592ddc in process::schedule (arg=<optimized > > > out>) > > > >> at > > > >> > > > > ../../../3rdparty/libprocess/src/process.cpp:1175 > > > >> > > > > #18 0x00007f8da4907e9a in start_thread () from > > > >> > > > > /lib/x86_64-linux-gnu/libpthread.so.0 > > > >> > > > > #19 0x00007f8da4634ccd in clone () from > > > >> > /lib/x86_64-linux-gnu/libc.so.6 > > > >> > > > > #20 0x0000000000000000 in ?? () > > > >> > > > > (gdb) > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > It looks like either `ticks` or `utime`/`stime` has an > erroneous > > > >> value. > > > >> > > > Thoughts? > > > >> > > > > > > >> > > > > > >> > > > > >> > > > > > > > > > > > > > >
