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Bug #7980
closed0.78: MDS crash (segmentation fault) on client wake-up from suspend.
Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
% Done:
0%
Source:
Community (user)
Tags:
segfault
Backport:
Regression:
Severity:
2 - major
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
MDS crashes (segmentation fault) when I wake-up machine with CephFS (mounted using kernel client) from suspend:
Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7f2ba171e700 (LWP 31996)] 0x0000000000000000 in ?? () (gdb) thread apply all bt Thread 80 (Thread 0x7f2b9f71a700 (LWP 29345)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9f71a700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 79 (Thread 0x7f2b9ce06700 (LWP 29344)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9ce06700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 78 (Thread 0x7f2b9e011700 (LWP 29343)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9e011700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 77 (Thread 0x7f2b9bff8700 (LWP 29342)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9bff8700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 76 (Thread 0x7f2b9e516700 (LWP 29341)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9e516700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 75 (Thread 0x7f2b9cf07700 (LWP 29340)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9cf07700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 74 (Thread 0x7f2b9d20a700 (LWP 29337)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9d20a700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 73 (Thread 0x7f2b9e314700 (LWP 29336)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9e314700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 72 (Thread 0x7f2b9de0f700 (LWP 29335)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9de0f700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 71 (Thread 0x7f2b9dc0d700 (LWP 29334)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9dc0d700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 70 (Thread 0x7f2b9cd05700 (LWP 29333)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9cd05700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 69 (Thread 0x7f2b9d008700 (LWP 29332)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9d008700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 68 (Thread 0x7f2b9db0c700 (LWP 29171)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9db0c700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 67 (Thread 0x7f2b9e415700 (LWP 29168)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9e415700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 66 (Thread 0x7f2b9dd0e700 (LWP 29054)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9dd0e700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 65 (Thread 0x7f2b9e112700 (LWP 29053)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9e112700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 64 (Thread 0x7f2b9d109700 (LWP 29051)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9d109700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 63 (Thread 0x7f2ba6cd0700 (LWP 29050)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2ba6cd0700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 62 (Thread 0x7f2b9c3fc700 (LWP 28942)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9c3fc700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 61 (Thread 0x7f2b9f619700 (LWP 28939)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9f619700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 39 (Thread 0x7f2ba3e9e700 (LWP 31974)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba7167d1b in ceph::log::Log::entry() () #2 0x00007f2ba6487062 in start_thread (arg=0x7f2ba3e9e700) at pthread_create.c:312 #3 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 38 (Thread 0x7f2ba2f21700 (LWP 31993)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007f2ba722d9a3 in CephContextServiceThread::entry() () #2 0x00007f2ba6487062 in start_thread (arg=0x7f2ba2f21700) at pthread_create.c:312 #3 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 37 (Thread 0x7f2ba2720700 (LWP 31994)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7216fc3 in AdminSocket::entry() () #2 0x00007f2ba6487062 in start_thread (arg=0x7f2ba2720700) at pthread_create.c:312 #3 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 36 (Thread 0x7f2ba1f1f700 (LWP 31995)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba71ffecf in SimpleMessenger::reaper_entry() () #2 0x00007f2ba72066ad in SimpleMessenger::ReaperThread::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2ba1f1f700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 35 (Thread 0x7f2ba171e700 (LWP 31996)): #0 0x0000000000000000 in ?? () #1 0x00007f2ba6ec57a3 in MDS::ms_handle_accept(Connection*) () #2 0x00007f2ba72e1cc5 in DispatchQueue::entry() () #3 0x00007f2ba7205cdd in DispatchQueue::DispatchThread::entry() () #4 0x00007f2ba6487062 in start_thread (arg=0x7f2ba171e700) at pthread_create.c:312 #5 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 34 (Thread 0x7f2ba0f1d700 (LWP 31997)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba72d04d9 in Accepter::entry() () #2 0x00007f2ba6487062 in start_thread (arg=0x7f2ba0f1d700) at pthread_create.c:312 #3 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 33 (Thread 0x7f2ba071c700 (LWP 32023)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007f2ba720e4ff in SafeTimer::timer_thread() () #2 0x00007f2ba720ed3d in SafeTimerThread::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2ba071c700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 32 (Thread 0x7f2b9ff1b700 (LWP 32024)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba72ee648 in Finisher::finisher_thread_entry() () #2 0x00007f2ba6487062 in start_thread (arg=0x7f2b9ff1b700) at pthread_create.c:312 #3 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 31 (Thread 0x7f2b9f518700 (LWP 32288)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007f2ba720e4ff in SafeTimer::timer_thread() () #2 0x00007f2ba720ed3d in SafeTimerThread::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9f518700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 30 (Thread 0x7f2b9ed17700 (LWP 32289)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba71415c0 in SignalHandler::entry() () #2 0x00007f2ba6487062 in start_thread (arg=0x7f2b9ed17700) at pthread_create.c:312 #3 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 29 (Thread 0x7f2b9cc04700 (LWP 14430)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9cc04700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 28 (Thread 0x7f2b9cb03700 (LWP 14431)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9cb03700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 27 (Thread 0x7f2b9ca02700 (LWP 14432)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9ca02700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 26 (Thread 0x7f2b9c901700 (LWP 14433)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9c901700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 25 (Thread 0x7f2b9c800700 (LWP 14434)): #0 0x00007f2ba4df872d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2ba7302d5f in Pipe::tcp_read_wait() () #2 0x00007f2ba7303078 in Pipe::tcp_read(char*, int) () #3 0x00007f2ba7315dd5 in Pipe::reader() () #4 0x00007f2ba73199ed in Pipe::Reader::entry() () #5 0x00007f2ba6487062 in start_thread (arg=0x7f2b9c800700) at pthread_create.c:312 #6 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 24 (Thread 0x7f2b9c6ff700 (LWP 14435)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9c6ff700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 23 (Thread 0x7f2b9c5fe700 (LWP 14436)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9c5fe700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 22 (Thread 0x7f2b9c4fd700 (LWP 14437)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f2ba730eb3c in Pipe::writer() () #2 0x00007f2ba731928d in Pipe::Writer::entry() () #3 0x00007f2ba6487062 in start_thread (arg=0x7f2b9c4fd700) at pthread_create.c:312 #4 0x00007f2ba4e03a3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7f2ba6cd27c0 (LWP 31973)): #0 0x00007f2ba648848b in pthread_join (threadid=139825368917760, thread_return=0x0) at pthread_join.c:92 #1 0x00007f2ba7208612 in Thread::join(void**) () #2 0x00007f2ba7200278 in SimpleMessenger::wait() () #3 0x00007f2ba6eb77d2 in main ()
Linux kernel on both server (where MDS is running) and on client:
Linux 3.13-1-amd64 #1 SMP Debian 3.13.7-1 (2014-03-25) x86_64 GNU/Linux
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