Hi Sage, Did you get a chance to look at the crash? Regards Srikanth On Wed, Jun 3, 2015 at 1:38 PM, Srikanth Madugundi <srikanth.madugundi@xxxxxxxxx> wrote: > 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
