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Bug #10116 » gdb_next_lockup.txt

Brad House, 11/18/2014 12:41 PM

 
Thread 22 (Thread 0x7f485742d700 (LWP 4507)):
#0 0x00007f4862519b73 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=900000) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007f48663aa87c in Pipe::tcp_read_wait (this=this@entry=0x7f47c02cff90) at msg/Pipe.cc:2282
#2 0x00007f48663aab10 in Pipe::tcp_read (this=this@entry=0x7f47c02cff90, buf=<optimized out>, buf@entry=0x7f485742cb6f "\377", len=len@entry=1) at msg/Pipe.cc:2255
#3 0x00007f48663bca9f in Pipe::reader (this=0x7f47c02cff90) at msg/Pipe.cc:1421
#4 0x00007f48663c1d7d in Pipe::Reader::entry (this=<optimized out>) at msg/Pipe.h:49
#5 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#6 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7 0x0000000000000000 in ?? ()

Thread 21 (Thread 0x7f485732c700 (LWP 4390)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f48663b581a in Wait (mutex=..., this=0x7f47c02d01a0) at ./common/Cond.h:55
#2 Pipe::writer (this=0x7f47c02cff90) at msg/Pipe.cc:1730
#3 0x00007f48663c1c5d in Pipe::Writer::entry (this=<optimized out>) at msg/Pipe.h:61
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7f485ada4700 (LWP 27087)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f486647425b in ceph::log::Log::entry (this=0x7f486a0bf3e0) at log/Log.cc:323
#2 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#3 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4 0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7f4859e3e700 (LWP 27088)):
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1 0x00007f4866279f72 in WaitUntil (when=..., mutex=..., this=0x7f486a0d9d18) at ./common/Cond.h:71
#2 WaitInterval (interval=..., mutex=..., cct=<optimized out>, this=0x7f486a0d9d18) at ./common/Cond.h:79
#3 CephContextServiceThread::entry (this=0x7f486a0d9ca0) at common/ceph_context.cc:58
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7f4859431700 (LWP 27089)):
#0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1 0x00007f48627dd3a9 in _L_lock_926 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2 0x00007f48627dd1cb in __pthread_mutex_lock (mutex=0x7f486a0c2440) at pthread_mutex_lock.c:61
#3 0x00007f486623f3ab in Mutex::Lock (this=0x7f486a0c2430, no_lockdep=<optimized out>) at common/Mutex.cc:89
#4 0x00007f48661c176e in Locker (m=..., this=0x7f48594308a0) at ./common/Mutex.h:120
#5 librados::RadosClient::ms_dispatch (this=0x7f486a0c1c10, m=0x7f47c8014e90) at librados/RadosClient.cc:352
#6 0x00007f486635eb3b in ms_deliver_dispatch (m=0x7f47c8014e90, this=0x7f486a0db8e0) at msg/Messenger.h:587
#7 DispatchQueue::entry (this=0x7f486a0db9d8) at msg/DispatchQueue.cc:124
#8 0x00007f48663ca37d in DispatchQueue::DispatchThread::entry (this=<optimized out>) at msg/DispatchQueue.h:104
#9 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#10 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7f4858c30700 (LWP 27090)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f48663c5ba8 in Wait (mutex=..., this=0x7f486a0dbe28) at ./common/Cond.h:55
#2 SimpleMessenger::reaper_entry (this=0x7f486a0db8e0) at msg/SimpleMessenger.cc:210
#3 0x00007f48663caa9d in SimpleMessenger::ReaperThread::entry (this=<optimized out>) at msg/SimpleMessenger.h:225
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f485842f700 (LWP 27091)):
#0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1 0x00007f486625f1b8 in WaitUntil (when=..., mutex=..., this=0x7f486a0c2030) at common/Cond.h:71
#2 SafeTimer::timer_thread (this=0x7f486a0c2020) at common/Timer.cc:114
#3 0x00007f48662600ed in SafeTimerThread::entry (this=<optimized out>) at common/Timer.cc:38
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f4857c2e700 (LWP 27092)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f4866260b42 in Wait (mutex=..., this=0x7f486a0c2148) at ./common/Cond.h:55
#2 Finisher::finisher_thread_entry (this=0x7f486a0c20e8) at common/Finisher.cc:78
#3 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#4 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f485722b700 (LWP 27097)):
#0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1 0x00007f48627e4c4e in _L_cond_lock_1001 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2 0x00007f48627e4a7b in __pthread_mutex_cond_lock (mutex=0x7f486a0c2440) at ../nptl/pthread_mutex_lock.c:61
#3 0x00007f48627df76f in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:303
#4 0x00007f486625f1b8 in WaitUntil (when=..., mutex=..., this=0x7f486a0c2528) at common/Cond.h:71
#5 SafeTimer::timer_thread (this=0x7f486a0c2518) at common/Timer.cc:114
#6 0x00007f48662600ed in SafeTimerThread::entry (this=<optimized out>) at common/Timer.cc:38
#7 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#8 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f4856a2a700 (LWP 27098)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f4866260b42 in Wait (mutex=..., this=0x7f486a0c2668) at ./common/Cond.h:55
#2 Finisher::finisher_thread_entry (this=0x7f486a0c2608) at common/Finisher.cc:78
#3 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#4 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f4856229700 (LWP 27099)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f48663b581a in Wait (mutex=..., this=0x7f4850007f50) at ./common/Cond.h:55
#2 Pipe::writer (this=0x7f4850007d40) at msg/Pipe.cc:1730
#3 0x00007f48663c1c5d in Pipe::Writer::entry (this=<optimized out>) at msg/Pipe.h:61
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f4856128700 (LWP 27100)):
#0 0x00007f4862519b73 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=900000) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007f48663aa87c in Pipe::tcp_read_wait (this=this@entry=0x7f4850007d40) at msg/Pipe.cc:2282
#2 0x00007f48663aab10 in Pipe::tcp_read (this=this@entry=0x7f4850007d40, buf=<optimized out>, buf@entry=0x7f4856127b6f "\377", len=len@entry=1) at msg/Pipe.cc:2255
#3 0x00007f48663bca9f in Pipe::reader (this=0x7f4850007d40) at msg/Pipe.cc:1421
#4 0x00007f48663c1d7d in Pipe::Reader::entry (this=<optimized out>) at msg/Pipe.h:49
#5 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#6 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f4856027700 (LWP 27101)):
#0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1 0x00007f48627dd3df in _L_lock_1145 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2 0x00007f48627dd32a in __pthread_mutex_lock (mutex=0x7f486a0d0440) at pthread_mutex_lock.c:101
#3 0x00007f4860fc4909 in PR_Lock () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4 0x00007f485a382545 in ?? () from /usr/lib/x86_64-linux-gnu/nss/libsoftokn3.so
#5 0x00007f485a376479 in ?? () from /usr/lib/x86_64-linux-gnu/nss/libsoftokn3.so
#6 0x00007f485a37795c in ?? () from /usr/lib/x86_64-linux-gnu/nss/libsoftokn3.so
#7 0x00007f4861cbf6cd in PK11_CipherOp () from /usr/lib/x86_64-linux-gnu/libnss3.so
#8 0x00007f48663eea2b in nss_aes_operation (op=<optimized out>, secret=..., in=..., out=..., error=...) at auth/Crypto.cc:175
#9 0x00007f48663ed881 in CryptoKey::encrypt (this=0x7f486a0e3278, cct=0x7f486a0bccf0, in=..., out=..., error=...) at auth/Crypto.cc:358
#10 0x00007f48663ed03e in encode_encrypt_enc_bl<ceph::buffer::list> (cct=cct@entry=0x7f486a0bccf0, t=..., key=..., out=..., error=...) at auth/cephx/CephxProtocol.h:465
#11 0x00007f48663ed172 in encode_encrypt<ceph::buffer::list> (cct=0x7f486a0bccf0, t=..., key=..., out=..., error=...) at auth/cephx/CephxProtocol.h:490
#12 0x00007f48663ec659 in CephxSessionHandler::sign_message (this=0x7f486a0e3260, m=0x7f48504cea10) at auth/cephx/CephxSessionHandler.cc:48
#13 0x00007f48663b5ffb in Pipe::writer (this=0x7f485000a380) at msg/Pipe.cc:1693
#14 0x00007f48663c1c5d in Pipe::Writer::entry (this=<optimized out>) at msg/Pipe.h:61
#15 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#16 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f4855f26700 (LWP 27104)):
#0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1 0x00007f48627dd3df in _L_lock_1145 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2 0x00007f48627dd32a in __pthread_mutex_lock (mutex=0x7f486a0d0440) at pthread_mutex_lock.c:101
#3 0x00007f4860fc4909 in PR_Lock () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4 0x00007f485a382545 in ?? () from /usr/lib/x86_64-linux-gnu/nss/libsoftokn3.so
#5 0x00007f485a3762f4 in ?? () from /usr/lib/x86_64-linux-gnu/nss/libsoftokn3.so
#6 0x00007f4861cd8b11 in PK11_FreeSymKey () from /usr/lib/x86_64-linux-gnu/libnss3.so
#7 0x00007f48663ef03d in nss_aes_operation (op=<optimized out>, secret=..., in=..., out=..., error=...) at auth/Crypto.cc:208
#8 0x00007f48663ed881 in CryptoKey::encrypt (this=0x7f486a0e3278, cct=0x7f486a0bccf0, in=..., out=..., error=...) at auth/Crypto.cc:358
#9 0x00007f48663ed03e in encode_encrypt_enc_bl<ceph::buffer::list> (cct=cct@entry=0x7f486a0bccf0, t=..., key=..., out=..., error=...) at auth/cephx/CephxProtocol.h:465
#10 0x00007f48663ed172 in encode_encrypt<ceph::buffer::list> (cct=0x7f486a0bccf0, t=..., key=..., out=..., error=...) at auth/cephx/CephxProtocol.h:490
#11 0x00007f48663eb2b0 in CephxSessionHandler::check_message_signature (this=0x7f486a0e3260, m=0x7f47c066b1f0) at auth/cephx/CephxSessionHandler.cc:98
#12 0x00007f48663abd6b in Pipe::read_message (this=this@entry=0x7f485000a380, pm=pm@entry=0x7f4855f25ba8, auth_handler=auth_handler@entry=0x7f486a0e3260) at msg/Pipe.cc:1967
#13 0x00007f48663bd6a1 in Pipe::reader (this=0x7f485000a380) at msg/Pipe.cc:1483
#14 0x00007f48663c1d7d in Pipe::Reader::entry (this=<optimized out>) at msg/Pipe.h:49
#15 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#16 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f4855d24700 (LWP 27105)):
#0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1 0x00007f48627dd3a9 in _L_lock_926 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2 0x00007f48627dd1cb in __pthread_mutex_lock (mutex=mutex@entry=0x7f4868303040) at pthread_mutex_lock.c:61
#3 0x00007f4867e598d9 in qemu_mutex_lock (mutex=mutex@entry=0x7f4868303040) at util/qemu-thread-posix.c:76
#4 0x00007f4867b99100 in qemu_mutex_lock_iothread () at /root/pve-qemu-kvm/qemu-kvm/cpus.c:1044
#5 0x00007f4867babb2d in kvm_cpu_exec (cpu=cpu@entry=0x7f4850010fe0) at /root/pve-qemu-kvm/qemu-kvm/kvm-all.c:1716
#6 0x00007f4867b97e0c in qemu_kvm_cpu_thread_fn (arg=0x7f4850010fe0) at /root/pve-qemu-kvm/qemu-kvm/cpus.c:874
#7 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#8 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f4855523700 (LWP 27106)):
#0 0x00007f486251d807 in ioctl () at ../sysdeps/unix/syscall-template.S:82
#1 0x00007f4867bab9e9 in kvm_vcpu_ioctl (cpu=cpu@entry=0x7f4850054e80, type=type@entry=44672) at /root/pve-qemu-kvm/qemu-kvm/kvm-all.c:1845
#2 0x00007f4867babb25 in kvm_cpu_exec (cpu=cpu@entry=0x7f4850054e80) at /root/pve-qemu-kvm/qemu-kvm/kvm-all.c:1714
#3 0x00007f4867b97e0c in qemu_kvm_cpu_thread_fn (arg=0x7f4850054e80) at /root/pve-qemu-kvm/qemu-kvm/cpus.c:874
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f47cfbff700 (LWP 27108)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f4867e59af9 in qemu_cond_wait (cond=cond@entry=0x7f48500dd310, mutex=mutex@entry=0x7f48500dd340) at util/qemu-thread-posix.c:135
#2 0x00007f4867df599b in vnc_worker_thread_loop (queue=queue@entry=0x7f48500dd310) at ui/vnc-jobs.c:222
#3 0x00007f4867df5d70 in vnc_worker_thread (arg=0x7f48500dd310) at ui/vnc-jobs.c:323
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f47cffff700 (LWP 27111)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f48663b581a in Wait (mutex=..., this=0x7f486a1639c0) at ./common/Cond.h:55
#2 Pipe::writer (this=0x7f486a1637b0) at msg/Pipe.cc:1730
#3 0x00007f48663c1c5d in Pipe::Writer::entry (this=<optimized out>) at msg/Pipe.h:61
#4 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f47cfdff700 (LWP 27112)):
#0 0x00007f4862519b73 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=900000) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007f48663aa87c in Pipe::tcp_read_wait (this=this@entry=0x7f486a1637b0) at msg/Pipe.cc:2282
#2 0x00007f48663aab10 in Pipe::tcp_read (this=this@entry=0x7f486a1637b0, buf=<optimized out>, buf@entry=0x7f47cfdfeb6f "\377", len=len@entry=1) at msg/Pipe.cc:2255
#3 0x00007f48663bca9f in Pipe::reader (this=0x7f486a1637b0) at msg/Pipe.cc:1421
#4 0x00007f48663c1d7d in Pipe::Reader::entry (this=<optimized out>) at msg/Pipe.h:49
#5 0x00007f48627dab50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#6 0x00007f48625247bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f486799f8e0 (LWP 27034)):
#0 __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1 0x00007f48627dd3a9 in _L_lock_926 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2 0x00007f48627dd1cb in __pthread_mutex_lock (mutex=0x7f485000a4c8) at pthread_mutex_lock.c:61
#3 0x00007f486623f3ab in Mutex::Lock (this=0x7f485000a4b8, no_lockdep=<optimized out>) at common/Mutex.cc:89
#4 0x00007f48663c6c3a in SimpleMessenger::submit_message (this=this@entry=0x7f486a0db8e0, m=m@entry=0x7f4850074cf0, con=con@entry=0x7f485000a610, dest_addr=..., dest_type=4, lazy=lazy@entry=false) at msg/SimpleMessenger.cc:429
#5 0x00007f48663c76a9 in SimpleMessenger::_send_message (this=0x7f486a0db8e0, m=0x7f4850074cf0, con=0x7f485000a610, lazy=false) at msg/SimpleMessenger.cc:138
#6 0x00007f4866fdb1b5 in send_message (con=..., m=0x7f4850074cf0, this=<optimized out>) at ./msg/Messenger.h:411
#7 Objecter::send_op (this=this@entry=0x7f486a0dc330, op=op@entry=0x7f4850074a50) at osdc/Objecter.cc:1678
#8 0x00007f4866fdb981 in Objecter::_op_submit (this=0x7f486a0dc330, op=0x7f4850074a50) at osdc/Objecter.cc:1340
#9 0x00007f48661cb8d8 in librados::IoCtxImpl::aio_operate_read (this=0x7f4850007050, oid=..., o=0x7f4850010bc0, c=<optimized out>, flags=0, pbl=0x0) at librados/IoCtxImpl.cc:594
#10 0x00007f48661a0c98 in librados::IoCtx::aio_operate (this=0x7f4850006b58, oid=..., c=0x7f4850076ef0, o=0x7f47b897d7e0, flags=0, pbl=<optimized out>) at librados/librados.cc:1106
#11 0x00007f4866fa2e65 in librbd::AioRead::send (this=0x7f4850076c80) at librbd/AioRequest.cc:102
#12 0x00007f4866fb523a in librbd::aio_read (ictx=ictx@entry=0x7f4850006a10, image_extents=..., buf=buf@entry=0x7f4850073a00 "t\262\300\253\061\314p\rN\026>ܥC\301\017\311\302`\260U", <incomplete sequence \307>, pbl=pbl@entry=0x0, c=c@entry=0x7f4850073810) at librbd/internal.cc:3153
#13 0x00007f4866fb5794 in librbd::aio_read (ictx=0x7f4850006a10, off=17856806912, len=4096, buf=0x7f4850073a00 "t\262\300\253\061\314p\rN\026>ܥC\301\017\311\302`\260U", <incomplete sequence \307>, bl=0x0, c=0x7f4850073810) at librbd/internal.cc:3091
#14 0x00007f4867e4af4b in rbd_start_aio (bs=<optimized out>, sector_num=<optimized out>, qiov=<optimized out>, nb_sectors=8, cb=<optimized out>, opaque=<optimized out>, cmd=cmd@entry=RBD_AIO_READ) at block/rbd.c:668
#15 0x00007f4867e4b1e0 in qemu_rbd_aio_readv (bs=<optimized out>, sector_num=<optimized out>, qiov=<optimized out>, nb_sectors=<optimized out>, cb=<optimized out>, opaque=<optimized out>) at block/rbd.c:702
#16 0x00007f4867dfaa9e in bdrv_co_io_em (is_write=false, iov=0x7f47b897dce0, nb_sectors=8, sector_num=34876576, bs=0x7f486a0bb110) at block.c:4862
#17 bdrv_co_readv_em (bs=0x7f486a0bb110, sector_num=34876576, nb_sectors=8, iov=0x7f47b897dce0) at block.c:4879
#18 0x00007f4867dffd53 in bdrv_aligned_preadv (bs=bs@entry=0x7f486a0bb110, req=req@entry=0x7f47b897dda0, offset=offset@entry=17856806912, bytes=bytes@entry=4096, align=align@entry=512, qiov=qiov@entry=0x7f48501b68c0, flags=flags@entry=0) at block.c:3081
#19 0x00007f4867e00267 in bdrv_co_do_preadv (bs=0x7f486a0bb110, offset=17856806912, bytes=4096, qiov=0x7f48501b68c0, flags=0) at block.c:3162
#20 0x00007f4867dffc6b in bdrv_aligned_preadv (bs=bs@entry=0x7f486a0b8590, req=req@entry=0x7f47b897df40, offset=offset@entry=17856806912, bytes=bytes@entry=4096, align=align@entry=512, qiov=qiov@entry=0x7f48501b68c0, flags=flags@entry=0) at block.c:3056
#21 0x00007f4867e00267 in bdrv_co_do_preadv (bs=bs@entry=0x7f486a0b8590, offset=17856806912, bytes=4096, qiov=0x7f48501b68c0, flags=0) at block.c:3162
#22 0x00007f4867e011f7 in bdrv_co_do_readv (flags=<optimized out>, qiov=<optimized out>, nb_sectors=<optimized out>, sector_num=<optimized out>, bs=0x7f486a0b8590) at block.c:3184
#23 bdrv_co_do_rw (opaque=0x7f47c80bf980) at block.c:4710
#24 0x00007f4867e12caa in coroutine_trampoline (i0=<optimized out>, i1=<optimized out>) at coroutine-ucontext.c:118
#25 0x00007f486248ad10 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#26 0x00007fff369941c0 in ?? ()
#27 0x0000000000000000 in ?? ()
(7-7/9)