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Bug #8520
closedosd: segv in PushOp::print()
Status:
Can't reproduce
Priority:
Urgent
Assignee:
-
Category:
OSD
Target version:
-
% Done:
0%
Source:
Q/A
Tags:
Backport:
Regression:
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
-115> 2014-06-02 15:48:18.642958 7f73fab07700 -1 *** Caught signal (Segmentation fault) ** in thread 7f73fab07700 ceph version 0.80-702-g9bac31b (9bac31be07098f4c75a209e35dc91b214b72a394) 1: ceph-osd() [0x9750bf] 2: (()+0x10340) [0x7f7413221340] 3: (PushOp::print(std::ostream&) const+0x20) [0x6d01c0] 4: (ReplicatedBackend::send_pushes(int, std::map<pg_shard_t, std::vector<PushOp, std::allocator<PushOp> >, std::less<pg_shard_t>, std::allocator<std::pair<pg_shard_t const, std::vector<PushOp, std::allocator<PushOp> > > > >&)+0x482) [0x7d9e92] 5: (ReplicatedBackend::do_pull(std::tr1::shared_ptr<OpRequest>)+0x6be) [0x7da77e] 6: (ReplicatedBackend::handle_message(std::tr1::shared_ptr<OpRequest>)+0x41e) [0x90465e] 7: (ReplicatedPG::do_request(std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x2db) [0x7aea9b] 8: (OSD::dequeue_op(boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x459) [0x634e89] 9: (OSD::OpWQ::_process(boost::intrusive_ptr<PG>, ThreadPool::TPHandle&)+0x1f4) [0x635304] 10: (ThreadPool::WorkQueueVal<std::pair<boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest> >, boost::intrusive_ptr<PG> >::_void_process(void*, ThreadPool::TPHandle&)+0x9c) [0x668eec] 11: (ThreadPool::worker(ThreadPool::WorkThread*)+0xaf1) [0xa48831] 12: (ThreadPool::WorkThread::entry()+0x10) [0xa49720] 13: (()+0x8182) [0x7f7413219182] 14: (clone()+0x6d) [0x7f74115ba30d] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.ubuntu@teuthology:/a/teuthology-2014-06-02_02:30:05-rados-master-testing-basic-plana/285586
Updated by Samuel Just almost 10 years ago
- Status changed from New to Need More Info
I can't seem to actually find this thread in the core, which is odd. Marking as Need More Info for the moment.
Updated by Samuel Just almost 10 years ago
- Status changed from Need More Info to Can't reproduce
Haven't seen it recur lately, marking can't reproduce.
Updated by Sage Weil over 9 years ago
- Status changed from Can't reproduce to 12
Program terminated with signal SIGSEGV, Segmentation fault.
#0 PushOp::print (this=this@entry=0xffffffff00000013, out=...) at /usr/include/c++/4.8/bits/stl_map.h:435
435 { return _M_t.size(); }
(gdb) bt
#0 PushOp::print (this=this@entry=0xffffffff00000013, out=...) at /usr/include/c++/4.8/bits/stl_map.h:435
#1 0x00000000006ff6ee in operator<< (out=..., op=...) at osd/osd_types.cc:4154
#2 0x00000000007ca1c2 in ReplicatedBackend::send_pushes (this=this@entry=0x24a8a00, prio=10, pushes=...) at osd/ReplicatedPG.cc:8444
#3 0x00000000007caaae in ReplicatedBackend::do_pull (this=this@entry=0x24a8a00, op=...) at osd/ReplicatedPG.cc:2200
#4 0x000000000090415e in ReplicatedBackend::handle_message (this=0x24a8a00, op=...) at osd/ReplicatedBackend.cc:138
#5 0x000000000079df6b in ReplicatedPG::do_request (this=0x257ec00, op=..., handle=...) at osd/ReplicatedPG.cc:1113
#6 0x00000000005fca01 in OSD::dequeue_op (this=0x218c000, pg=..., op=..., handle=...) at osd/OSD.cc:7715
#7 0x0000000000617054 in OSD::OpWQ::_process (this=0x218ce28, pg=..., handle=...) at osd/OSD.cc:7685
#8 0x0000000000659ebc in ThreadPool::WorkQueueVal<std::pair<boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest> >, boost::intrusive_ptr<PG> >::_void_process (this=0x218ce28, handle=...) at ./common/WorkQueue.h:190
#9 0x0000000000a4d951 in ThreadPool::worker (this=0x218c470, wt=0x2154220) at common/WorkQueue.cc:125
#10 0x0000000000a4e840 in ThreadPool::WorkThread::entry (this=<optimized out>) at common/WorkQueue.h:317
#11 0x00007fb7a175e182 in start_thread (arg=0x7fb78b678700) at pthread_create.c:312
#12 0x00007fb79fed238d in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#13 0x0000000000000000 in ?? ()
incomplete log, but the core is good. ubuntu@teuthology:/a/sage-2014-08-10_18:40:12-rados-firefly-next-distro-basic-multi/414840
#1 0x00000000006ff6ee in operator<< (out=..., op=...) at osd/osd_types.cc:4154
4154 osd/osd_types.cc: No such file or directory.
(gdb) p op
$6 = (const PushOp &) @0xffffffff00000013: <error reading variable>
(gdb) up
#2 0x00000000007ca1c2 in ReplicatedBackend::send_pushes (this=this@entry=0x24a8a00, prio=10, pushes=...) at osd/ReplicatedPG.cc:8444
8444 osd/ReplicatedPG.cc: No such file or directory.
(gdb) p j
$7 = {_M_current = 0xffffffff00000013}
(gdb) p pushes
$9 = 0
can't inspect the function argument because it is shadowed by a local int pushes.
core is on vpm022 with matching packages installed.
Updated by Samuel Just over 9 years ago
- Status changed from 12 to Can't reproduce
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