Re: Ceph 12.2.5 - FAILED assert(0 == "put on missing extent (nothing before)")

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Good Morning,

I have rebuilt the OSD and the cluster is healthy now.
I have one pool with 3 replica setup. I am a bit concerned that removing a snapshot can cause an OSD to crash. I've asked myself what would have happened if 2 OSD's had crashed? God forbid, what if 3 or more OSD's had crashed with this same error? How would I have recovered from that? 

So planning for the future:

 1. Is there any way to proactively scan for (and even repair) this?

 2. What could have caused this?
We experienced a cluster wide power outage lasting several hours several days ago. The outage occurred at a time when no snapshots were being created. The cluster was brought back up in a controlled manner and no errors were discovered immediately afterward (Ceph reported healthly). Could this have caused corruption? 

Thanks,
Dyweni




On 2018-06-25 09:34, Dyweni - Ceph-Users wrote:

Hi,

Is there any information you'd like to grab off this OSD?  Anything I
can provide to help you troubleshoot this?

I ask, because if not, I'm going to reformat / rebuild this OSD
(unless there is a faster way to repair this issue).

Thanks,
Dyweni



On 2018-06-25 07:30, Dyweni - Ceph-Users wrote:

Good Morning,

After removing roughly 20-some rbd shapshots, one of my OSD's has
begun flapping.


**** ERROR 1 ****

2018-06-25 06:46:39.132257 a0ce2700 -1 osd.8 pg_epoch: 44738 pg[4.e8(
v 44721'485588 (44697'484015,44721'485588] local-lis/les=44593/44595
n=2972 ec=9422/9422 lis/c 44593/44593 les/c/f 44595/44595/40729
44593/44593/44593) [8,7,10] r=0 lpr=44593 crt=44721'485588 lcod
44721'485586 mlcod 44721'485586 active+clean+snapt
rim snaptrimq=[276~1,280~1,2af~1,2e8~4]] removing snap head
2018-06-25 06:46:41.314172 a1ce2700 -1
/var/tmp/portage/sys-cluster/ceph-12.2.5/work/ceph-12.2.5/src/os/bluestore/bluestore_types.cc:
In function 'void bluestore_extent_ref_map_t::put(uint64_t, uint32_t,
PExtentVector*, bool*)' thread a1ce2700 time 2018-06-25
06:46:41.220388
/var/tmp/portage/sys-cluster/ceph-12.2.5/work/ceph-12.2.5/src/os/bluestore/bluestore_types.cc:
217: FAILED assert(0 == "put on missing extent (nothing before)")

 ceph version 12.2.5 (cad919881333ac92274171586c827e01f554a70a)
luminous (stable)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x1bc) [0x2a2c314]
 2: (bluestore_extent_ref_map_t::put(unsigned long long, unsigned int,
std::vector<bluestore_pextent_t,
mempool::pool_allocator<(mempool::pool_index_t)4, bluestore_pextent_t>
>*, bool*)+0x128) [0x2893650]
 3: (BlueStore::SharedBlob::put_ref(unsigned long long, unsigned int,
std::vector<bluestore_pextent_t,
mempool::pool_allocator<(mempool::pool_index_t)4, bluestore_pextent_t>
>*, std::set<BlueStore::SharedBlob*, std::less<BlueStore::SharedBlob*>, std::allocator<BlueStore::SharedBlob*> >*)+0xb8) [0x2791bdc]
 4: (BlueStore::_wctx_finish(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>, BlueStore::WriteContext*,
std::set<BlueStore::SharedBlob*, std::less<BlueStore::SharedBlob*>,
std::allocator<BlueStore::SharedBlob*> >*)+0x5c8) [0x27f3254]
 5: (BlueStore::_do_truncate(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>, unsigned long long,
std::set<BlueStore::SharedBlob*, std::less<BlueStore::SharedBlob*>,
std::allocator<BlueStore::SharedBlob*> >*)+0x360) [0x27f7834]
 6: (BlueStore::_do_remove(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>)+0xb4) [0x27f81b4]
 7: (BlueStore::_remove(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>&)+0x1dc) [0x27f9638]
 8: (BlueStore::_txc_add_transaction(BlueStore::TransContext*,
ObjectStore::Transaction*)+0xe7c) [0x27e855c]
 9: (BlueStore::queue_transactions(ObjectStore::Sequencer*,
std::vector<ObjectStore::Transaction,
std::allocator<ObjectStore::Transaction> >&,
boost::intrusive_ptr<TrackedOp>, ThreadPool::TPHandle*)+0x67c)
[0x27e6f80]
 10: (ObjectStore::queue_transactions(ObjectStore::Sequencer*,
std::vector<ObjectStore::Transaction,
std::allocator<ObjectStore::Transaction> >&, Context*, Context*,
Context*, boost::intrusive_ptr<TrackedOp>,
ThreadPool::TPHandle*)+0x118) [0x1f9ce48]
 11:
(PrimaryLogPG::queue_transactions(std::vector<ObjectStore::Transaction,
std::allocator<ObjectStore::Transaction> >&,
boost::intrusive_ptr<OpRequest>)+0x9c) [0x22dd754]
 12: (ReplicatedBackend::submit_transaction(hobject_t const&,
object_stat_sum_t const&, eversion_t const&,
std::unique_ptr<PGTransaction, std::default_delete<PGTransaction> >&&,
eversion_t const&, eversion_t const&, std::vector<pg_log_entry_t,
std::allocator<pg_log_entry_t> > const&,
boost::optional<pg_hit_set_histo
ry_t>&, Context*, Context*, Context*, unsigned long long, osd_reqid_t,
boost::intrusive_ptr<OpRequest>)+0x6f4) [0x25c0568]
 13: (PrimaryLogPG::issue_repop(PrimaryLogPG::RepGather*,
PrimaryLogPG::OpContext*)+0x7f4) [0x228ac98]
 14:
(PrimaryLogPG::simple_opc_submit(std::unique_ptr<PrimaryLogPG::OpContext,
std::default_delete<PrimaryLogPG::OpContext> >)+0x1b8) [0x228bc54]
 15: (PrimaryLogPG::AwaitAsyncWork::react(PrimaryLogPG::DoSnapWork
const&)+0x1970) [0x22c5d4c]
 16: (boost::statechart::detail::reaction_result
boost::statechart::custom_reaction<PrimaryLogPG::DoSnapWork>::react<PrimaryLogPG::AwaitAsyncWork,
boost::statechart::event_base, void
const*>(PrimaryLogPG::AwaitAsyncWork&, boost::statechart::event_base
const&, void const* const&)+0x58) [0x23b245c]
 17: (boost::statechart::detail::reaction_result
boost::statechart::simple_state<PrimaryLogPG::AwaitAsyncWork,
PrimaryLogPG::Trimming, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_:
:na, mpl_::na, mpl_::na, mpl_::na>,
(boost::statechart::history_mode)0>::local_react_impl_non_empty::local_react_impl<boost::mpl::list<boost::statechart::custom_reaction<PrimaryLogPG::DoSnapWork>,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na>,
boost::statechart::simple_state<PrimaryLogPG::AwaitAsyncWork,
PrimaryLogPG::Trimming, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl
_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na>,
(boost::statechart::history_mode)0>
>(boost::statechart::simple_state<PrimaryLogPG::AwaitAsyncWork, PrimaryLogPG::Trimming, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na
, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na>, (boost::statechart::history_mode)0>&,
boost::statechart::event_base const&, void const*)+0x30) [0x23b0f04]
 18: (boost::statechart::detail::reaction_result
boost::statechart::simple_state<PrimaryLogPG::AwaitAsyncWork,
PrimaryLogPG::Trimming, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_:
:na, mpl_::na, mpl_::na, mpl_::na>,
(boost::statechart::history_mode)0>::local_react<boost::mpl::list<boost::statechart::custom_reaction<PrimaryLogPG::DoSnapWork>,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl
_::na, mpl_::na, mpl_::na, mpl_::na> >(boost::statechart::event_base
const&, void const*)+0x28) [0x23af7cc]
 19: (boost::statechart::simple_state<PrimaryLogPG::AwaitAsyncWork,
PrimaryLogPG::Trimming, boost::mpl::list<mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na, mpl_::na,
mpl_::na, mpl_::na, mpl_::na>, (boost:
:statechart::history_mode)0>::react_impl(boost::statechart::event_base
const&, void const*)+0x28) [0x23ad744]
 20:
(boost::statechart::detail::send_function<boost::statechart::detail::state_base<std::allocator<void>,
boost::statechart::detail::rtti_policy>,
boost::statechart::event_base, void const*>::operator()()+0x40)
[0x21b6000]
 21: (boost::statechart::detail::reaction_result
boost::statechart::null_exception_translator::operator()<boost::statechart::detail::send_function<boost::statechart::detail::state_base<std::allocator<void>,
boost::statechart::detail::rtti_policy>,
boost::statechart::event_base, void const*>, boost::statechart::state
_machine<PrimaryLogPG::SnapTrimmer, PrimaryLogPG::NotTrimming,
std::allocator<void>,
boost::statechart::null_exception_translator>::exception_event_handler>(boost::statechart::detail::send_function<boost::statechart::detail::state_base<std::allocator<void>,
boost::statechart::detail::rtti_policy>, boost::statechart:
:event_base, void const*>,
boost::statechart::state_machine<PrimaryLogPG::SnapTrimmer,
PrimaryLogPG::NotTrimming, std::allocator<void>,
boost::statechart::null_exception_translator>::exception_event_handler)+0x24)
[0x233c4a4]
 22: (boost::statechart::state_machine<PrimaryLogPG::SnapTrimmer,
PrimaryLogPG::NotTrimming, std::allocator<void>,
boost::statechart::null_exception_translator>::send_event(boost::statechart::event_base
const&)+0x13c) [0x2316328]
 23: (boost::statechart::state_machine<PrimaryLogPG::SnapTrimmer,
PrimaryLogPG::NotTrimming, std::allocator<void>,
boost::statechart::null_exception_translator>::process_event(boost::statechart::event_base
const&)+0x38) [0x22f6404]
 24: (PrimaryLogPG::snap_trimmer(unsigned int)+0x1a8) [0x2258bb0]
25: (PGQueueable::RunVis::operator()(PGSnapTrim const&)+0x40) [0x2520cb4] 
 26: (boost::disable_if_c<(false)&&boost::is_same<PGSnapTrim&,
PGSnapTrim&>::value, void>::type
boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::internal_visit<PGSnapTrim&>(PGSnapTrim&, int)+0x2c)
[0x209f6bc]
 27: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type
boost::detail::variant::visitation_impl_invoke_impl<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>, void*, PGSnapTrim>(int,
boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>&,
void*, PGSnapTrim*
, mpl_::bool_<true>)+0x38) [0x2095a74]
 28: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type
boost::detail::variant::visitation_impl_invoke<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>, void*, PGSnapTrim,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>::has_fallback_ty
pe_>(int, boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>&, void*, PGSnapTrim*,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>::has_fallback_type_, int)+0x4c) [0x2086f30]
 29: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type
boost::detail::variant::visitation_impl<mpl_::int_<0>,
boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<4l>,
boost::intrusive_ptr<OpRequest>, boost::mpl::l_item<mpl_::long_<3l>,
PGSnapT
rim, boost::mpl::l_item<mpl_::long_<2l>, PGScrub,
boost::mpl::l_item<mpl_::long_<1l>, PGRecovery, boost::mpl::l_end> > >
> >, boost::mpl::l_iter<boost::mpl::l_end> >, boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>, void*, boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub, PGReco
very>::has_fallback_type_>(int, int,
boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>&,
void*, mpl_::bool_<false>,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>::has_fallback_type_, mpl_::int_<0>*,
boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<bo
ost::mpl::l_item<mpl_::long_<4l>, boost::intrusive_ptr<OpRequest>,
boost::mpl::l_item<mpl_::long_<3l>, PGSnapTrim,
boost::mpl::l_item<mpl_::long_<2l>, PGScrub,
boost::mpl::l_item<mpl_::long_<1l>, PGRecovery, boost::mpl::l_end> > >
> >, boost::mpl::l_iter<boost::mpl::l_end> >*)+0xf0) [0x20710fc]
 30: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type boost::variant<boost::intrusive_ptr<OpRequest>,
PGSnapTrim, PGScrub,
PGRecovery>::internal_apply_visitor_impl<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>, void*>(int, int, boost::detail::variant::invoke_visit
or<PGQueueable::RunVis, false>&, void*)+0x60) [0x20513e8]
 31: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type boost::variant<boost::intrusive_ptr<OpRequest>,
PGSnapTrim, PGScrub,
PGRecovery>::internal_apply_visitor<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false> >(boost::detail::variant::invoke_visitor<PGQueueable::RunVi
s, false>&)+0x4c) [0x20254c4]
 32: (PGQueueable::RunVis::result_type
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>::apply_visitor<PGQueueable::RunVis>(PGQueueable::RunVis&)
&+0x4c) [0x1ff7798]
 33: (PGQueueable::RunVis::result_type
boost::apply_visitor<PGQueueable::RunVis,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>&>(PGQueueable::RunVis&,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>&)+0x2c) [0x1fcbb70]
 34: (PGQueueable::run(OSD*, boost::intrusive_ptr<PG>&,
ThreadPool::TPHandle&)+0x5c) [0x1fa76c8]
 35: (OSD::ShardedOpWQ::_process(unsigned int,
ceph::heartbeat_handle_d*)+0x23e4) [0x1f7f7bc]
 36: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x508)
[0x2a30f2c]
 37: (ShardedThreadPool::WorkThreadSharded::entry()+0x2c) [0x2a32a68]
 38: (Thread::entry_wrapper()+0xf4) [0x2c39e34]
 39: (Thread::_entry_func(void*)+0x18) [0x2c39d28]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is
needed to interpret this.




**** ERROR 2 (repeats each time the OSD tries to restart) ****

2018-06-25 06:47:54.618917 a1cee700 -1
bluestore(/var/lib/ceph/osd/ceph-8).collection(4.7d_head 0xad81ce0)
load_shared_blob sbid 0x52044 not found at key 0x0000000000052044
2018-06-25 06:47:54.689880 a1cee700 -1
/var/tmp/portage/sys-cluster/ceph-12.2.5/work/ceph-12.2.5/src/os/bluestore/BlueStore.cc:
In function 'void
BlueStore::Collection::load_shared_blob(BlueStore::SharedBlobRef)'
thread a1cee700 time 2018-06-25 06:47:54.619013
/var/tmp/portage/sys-cluster/ceph-12.2.5/work/ceph-12.2.5/src/os/bluestore/BlueStore.cc:
3158: FAILED assert(0 == "uh oh, missing shared_blob")

 ceph version 12.2.5 (cad919881333ac92274171586c827e01f554a70a)
luminous (stable)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x1bc) [0x2a20314]
 2:
(BlueStore::Collection::load_shared_blob(boost::intrusive_ptr<BlueStore::SharedBlob>)+0x32c)
[0x27937a8]
 3: (BlueStore::_wctx_finish(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>, BlueStore::WriteContext*,
std::set<BlueStore::SharedBlob*, std::less<BlueStore::SharedBlob*>,
std::allocator<BlueStore::SharedBlob*> >*)+0x4e0) [0x27e716c]
 4: (BlueStore::_do_truncate(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>, unsigned long long,
std::set<BlueStore::SharedBlob*, std::less<BlueStore::SharedBlob*>,
std::allocator<BlueStore::SharedBlob*> >*)+0x360) [0x27eb834]
 5: (BlueStore::_do_remove(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>)+0xb4) [0x27ec1b4]
 6: (BlueStore::_remove(BlueStore::TransContext*,
boost::intrusive_ptr<BlueStore::Collection>&,
boost::intrusive_ptr<BlueStore::Onode>&)+0x1dc) [0x27ed638]
 7: (BlueStore::_txc_add_transaction(BlueStore::TransContext*,
ObjectStore::Transaction*)+0xe7c) [0x27dc55c]
 8: (BlueStore::queue_transactions(ObjectStore::Sequencer*,
std::vector<ObjectStore::Transaction,
std::allocator<ObjectStore::Transaction> >&,
boost::intrusive_ptr<TrackedOp>, ThreadPool::TPHandle*)+0x67c)
[0x27daf80]
 9: (ObjectStore::queue_transactions(ObjectStore::Sequencer*,
std::vector<ObjectStore::Transaction,
std::allocator<ObjectStore::Transaction> >&, Context*, Context*,
Context*, boost::intrusive_ptr<TrackedOp>,
ThreadPool::TPHandle*)+0x118) [0x1f90e48]
 10: (ObjectStore::queue_transaction(ObjectStore::Sequencer*,
ObjectStore::Transaction&&, Context*, Context*, Context*,
boost::intrusive_ptr<TrackedOp>, ThreadPool::TPHandle*)+0xc0)
[0x1f90cbc]
 11: (PrimaryLogPG::remove_missing_object(hobject_t const&,
eversion_t, Context*)+0x3b0) [0x228adbc]
 12: (PrimaryLogPG::recover_missing(hobject_t const&, eversion_t, int,
PGBackend::RecoveryHandle*)+0x348) [0x22899b4]
 13: (PrimaryLogPG::recover_primary(unsigned long long,
ThreadPool::TPHandle&)+0x1488) [0x2296ba0]
 14: (PrimaryLogPG::start_recovery_ops(unsigned long long,
ThreadPool::TPHandle&, unsigned long long*)+0x2b8) [0x2294054]
 15: (OSD::do_recovery(PG*, unsigned int, unsigned long long,
ThreadPool::TPHandle&)+0x574) [0x1f6abe4]
16: (PGQueueable::RunVis::operator()(PGRecovery const&)+0x60) [0x2514d68] 
 17: (boost::disable_if_c<(false)&&boost::is_same<PGRecovery&,
PGRecovery&>::value, void>::type
boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::internal_visit<PGRecovery&>(PGRecovery&, int)+0x2c)
[0x2093724]
 18: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type
boost::detail::variant::visitation_impl_invoke_impl<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>, void*, PGRecovery>(int,
boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>&,
void*, PGRecovery*, mpl_::bool_<true>)+0x38) [0x2089af4]
 19: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type
boost::detail::variant::visitation_impl_invoke<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>, void*, PGRecovery,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>::has_fallback_type_>(int,
boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>&,
void*, PGRecovery*, boost::variant<boost::intrusive_ptr<OpRequest>,
PGSnapTrim, PGScrub, PGRecovery>::has_fallback_type_, int)+0x4c)
[0x207b020]
 20: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type
boost::detail::variant::visitation_impl<mpl_::int_<0>,
boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<4l>,
boost::intrusive_ptr<OpRequest>, boost::mpl::l_item<mpl_::long_<3l>,
PGSnapTrim, boost::mpl::l_item<mpl_::long_<2l>, PGScrub,
boost::mpl::l_item<mpl_::long_<1l>, PGRecovery, boost::mpl::l_end> > >
> >, boost::mpl::l_iter<boost::mpl::l_end> >, boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>, void*, boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub, PGRecovery>::has_fallback_type_>(int, int, boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>&, void*, mpl_::bool_<false>, boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub, PGRecovery>::has_fallback_type_, mpl_::int_<0>*, boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<4l>, boost::intrusive_ptr<OpRequest>, boost::mpl::l_item<mpl_::long_<3l>, PGSnapTrim, boost::mpl::l_item<mpl_::long_<2l>, PGScrub, boost::mpl::l_item<mpl_::long_<1l>, PGRecovery, boost::mpl::l_end> > > > >, boost::mpl::l_iter<boost::mpl::l_end> >*)+0x140) [0x206514c]
 21: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type boost::variant<boost::intrusive_ptr<OpRequest>,
PGSnapTrim, PGScrub,
PGRecovery>::internal_apply_visitor_impl<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>, void*>(int, int,
boost::detail::variant::invoke_visitor<PGQueueable::RunVis, false>&,
void*)+0x60) [0x20453e8]
 22: (boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>::result_type boost::variant<boost::intrusive_ptr<OpRequest>,
PGSnapTrim, PGScrub,
PGRecovery>::internal_apply_visitor<boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false> >(boost::detail::variant::invoke_visitor<PGQueueable::RunVis,
false>&)+0x4c) [0x20194c4]
 23: (PGQueueable::RunVis::result_type
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>::apply_visitor<PGQueueable::RunVis>(PGQueueable::RunVis&)
&+0x4c) [0x1feb798]
 24: (PGQueueable::RunVis::result_type
boost::apply_visitor<PGQueueable::RunVis,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>&>(PGQueueable::RunVis&,
boost::variant<boost::intrusive_ptr<OpRequest>, PGSnapTrim, PGScrub,
PGRecovery>&)+0x2c) [0x1fbfb70]
 25: (PGQueueable::run(OSD*, boost::intrusive_ptr<PG>&,
ThreadPool::TPHandle&)+0x5c) [0x1f9b6c8]
 26: (OSD::ShardedOpWQ::_process(unsigned int,
ceph::heartbeat_handle_d*)+0x23e4) [0x1f737bc]
 27: (ShardedThreadPool::shardedthreadpool_worker(unsigned int)+0x508)
[0x2a24f2c]
 28: (ShardedThreadPool::WorkThreadSharded::entry()+0x2c) [0x2a26a68]
 29: (Thread::entry_wrapper()+0xf4) [0x2c2de34]
 30: (Thread::_entry_func(void*)+0x18) [0x2c2dd28]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is
needed to interpret this.





Thanks,
Dyweni







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