Hi Sage, I saw the crash again here is the output after adding the debug message from wip-newstore-debuglist -31> 2015-06-03 20:28:18.864496 7fd95976b700 -1 newstore(/var/lib/ceph/osd/ceph-19) start is -1/0//0/0 ... k is --.7fffffffffffffff.00000000.!!!0000000000000000.0000000000000000 Here is the id of the file I posted. ceph-post-file: ddfcf940-8c13-4913-a7b9-436c1a7d0804 Let me know if you need anything else. Regards Srikanth On Mon, Jun 1, 2015 at 10:25 PM, Srikanth Madugundi <srikanth.madugundi@xxxxxxxxx> wrote: > Hi Sage, > > Unfortunately I purged the cluster yesterday and restarted the > backfill tool. I did not see the osd crash yet on the cluster. I am > monitoring the OSDs and will update you once I see the crash. > > With the new backfill run I have reduced the rps by half, not sure if > this is the reason for not seeing the crash yet. > > Regards > Srikanth > > > On Mon, Jun 1, 2015 at 10:06 PM, Sage Weil <sage@xxxxxxxxxxxx> wrote: >> I pushed a commit to wip-newstore-debuglist.. can you reproduce the crash >> with that branch with 'debug newstore = 20' and send us the log? >> (You can just do 'ceph-post-file <filename>'.) >> >> Thanks! >> sage >> >> On Mon, 1 Jun 2015, Srikanth Madugundi wrote: >> >>> Hi Sage, >>> >>> The assertion failed at line 1639, here is the log message >>> >>> >>> 2015-05-30 23:17:55.141388 7f0891be0700 -1 os/newstore/NewStore.cc: In >>> function 'virtual int NewStore::collection_list_partial(coll_t, >>> ghobject_t, int, int, snapid_t, std::vector<ghobject_t>*, >>> ghobject_t*)' thread 7f0891be0700 time 2015-05-30 23:17:55.137174 >>> >>> os/newstore/NewStore.cc: 1639: FAILED assert(k >= start_key && k < end_key) >>> >>> >>> Just before the crash the here are the debug statements printed by the >>> method (collection_list_partial) >>> >>> 2015-05-30 22:49:23.607232 7f1681934700 15 >>> newstore(/var/lib/ceph/osd/ceph-7) collection_list_partial 75.0_head >>> start -1/0//0/0 min/max 1024/1024 snap head >>> 2015-05-30 22:49:23.607251 7f1681934700 20 >>> newstore(/var/lib/ceph/osd/ceph-7) collection_list_partial range >>> --.7fffffffffffffb4.00000000. to --.7fffffffffffffb4.08000000. and >>> --.800000000000004b.00000000. to --.800000000000004b.08000000. start >>> -1/0//0/0 >>> >>> >>> Regards >>> Srikanth >>> >>> On Mon, Jun 1, 2015 at 8:54 PM, Sage Weil <sage@xxxxxxxxxxxx> wrote: >>> > On Mon, 1 Jun 2015, Srikanth Madugundi wrote: >>> >> Hi Sage and all, >>> >> >>> >> I build ceph code from wip-newstore on RHEL7 and running performance >>> >> tests to compare with filestore. After few hours of running the tests >>> >> the osd daemons started to crash. Here is the stack trace, the osd >>> >> crashes immediately after the restart. So I could not get the osd up >>> >> and running. >>> >> >>> >> ceph version b8e22893f44979613738dfcdd40dada2b513118 >>> >> (eb8e22893f44979613738dfcdd40dada2b513118) >>> >> 1: /usr/bin/ceph-osd() [0xb84652] >>> >> 2: (()+0xf130) [0x7f915f84f130] >>> >> 3: (gsignal()+0x39) [0x7f915e2695c9] >>> >> 4: (abort()+0x148) [0x7f915e26acd8] >>> >> 5: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f915eb6d9d5] >>> >> 6: (()+0x5e946) [0x7f915eb6b946] >>> >> 7: (()+0x5e973) [0x7f915eb6b973] >>> >> 8: (()+0x5eb9f) [0x7f915eb6bb9f] >>> >> 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char >>> >> const*)+0x27a) [0xc84c5a] >>> >> 10: (NewStore::collection_list_partial(coll_t, ghobject_t, int, int, >>> >> snapid_t, std::vector<ghobject_t, std::allocator<ghobject_t> >*, >>> >> ghobject_t*)+0x13c9) [0xa08639] >>> >> 11: (PGBackend::objects_list_partial(hobject_t const&, int, int, >>> >> snapid_t, std::vector<hobject_t, std::allocator<hobject_t> >*, >>> >> hobject_t*)+0x352) [0x918a02] >>> >> 12: (ReplicatedPG::do_pg_op(std::tr1::shared_ptr<OpRequest>)+0x1066) [0x8aa906] >>> >> 13: (ReplicatedPG::do_op(std::tr1::shared_ptr<OpRequest>&)+0x1eb) [0x8cd06b] >>> >> 14: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>&, >>> >> ThreadPool::TPHandle&)+0x68a) [0x85dbea] >>> >> 15: (OSD::dequeue_op(boost::intrusive_ptr<PG>, >>> >> std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3ed) >>> >> [0x6c3f5d] >>> >> 16: (OSD::ShardedOpWQ::_process(unsigned int, >>> >> ceph::heartbeat_handle_d*)+0x2e9) [0x6c4449] >>> >> 17: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x86f) [0xc746bf] >>> >> 18: (ShardedThreadPool::WorkThreadSharded::entry()+0x10) [0xc767f0] >>> >> 19: (()+0x7df3) [0x7f915f847df3] >>> >> 20: (clone()+0x6d) [0x7f915e32a01d] >>> >> NOTE: a copy of the executable, or `objdump -rdS <executable>` is >>> >> needed to interpret this. >>> >> >>> >> Please let me know the cause of this crash, when this crash happens I >>> >> noticed that two osds on separate machines are down. I can bring one >>> >> osd up but restarting the other osd causes both OSDs to crash. My >>> >> understanding is the crash seems to happen when two OSDs try to >>> >> communicate and replicate a particular PG. >>> > >>> > Can you include the log lines that preceed the dump above? In particular, >>> > there should be a line that tells you what assertion failed in what >>> > function and at what line number. I haven't seen this crash so I'm not >>> > sure offhand what it is. >>> > >>> > Thanks! >>> > sage >>> -- >>> 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 >>> >>> -- 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
