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.madugu...@gmail.com> 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.madugu...@gmail.com> 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 <s...@newdream.net> 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 <s...@newdream.net> 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 majord...@vger.kernel.org
>>>> 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 majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to