[Gluster-users] glustershd coredump generated while reboot all 3 sn nodes
Zhou, Cynthia (NSB - CN/Hangzhou)
cynthia.zhou at nokia-sbell.com
Thu Oct 11 07:35:37 UTC 2018
Hi,
I find that when restart sn node sometimes, the glustershd will exit and generate coredump. It has happened twice in my env, I would like to know your opinion on this issue, thanks!
The glusterfs version I use is glusterfs3.12.3
[root at sn-1:/root]
# gluster v info log
Volume Name: log
Type: Replicate
Volume ID: 87bcbaf8-5fa4-4060-9149-23f832befe92
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x 3 = 3
Transport-type: tcp
Bricks:
Brick1: sn-0.local:/mnt/bricks/log/brick
Brick2: sn-1.local:/mnt/bricks/log/brick
Brick3: sn-2.local:/mnt/bricks/log/brick
Options Reconfigured:
server.allow-insecure: on
cluster.quorum-type: auto
network.ping-timeout: 42
cluster.consistent-metadata: on
cluster.favorite-child-policy: mtime
cluster.quorum-reads: no
cluster.server-quorum-type: none
transport.address-family: inet
nfs.disable: on
performance.client-io-threads: off
cluster.server-quorum-ratio: 51%
[root at sn-1:/root]
///////////////////////////////////////////////glustershd coredump////////////////////////////////////////////////////////////////
# lz4 -d core.glusterfs.0.c5f0c5547fbd4e5aa8f350b748e5675e.1812.1537967075000000.lz4
Decoding file core.glusterfs.0.c5f0c5547fbd4e5aa8f350b748e5675e.1812.1537967075000000
core.glusterfs.0.c5f : decoded 263188480 bytes
[root at sn-0:/mnt/export]
# gdb /usr/sbin/glusterfs core.glusterfs.0.c5f0c5547fbd4e5aa8f350b748e5675e.1812.1537967075000000
GNU gdb (GDB) Fedora 8.1-14.wf29
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
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Reading symbols from /usr/sbin/glusterfs...(no debugging symbols found)...done.
warning: core file may not match specified executable file.
[New LWP 1818]
[New LWP 1812]
[New LWP 1813]
[New LWP 1817]
[New LWP 1966]
[New LWP 1968]
[New LWP 1970]
[New LWP 1974]
[New LWP 1976]
[New LWP 1814]
[New LWP 1815]
[New LWP 1816]
[New LWP 1828]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/sbin/glusterfs -s sn-0.local --volfile-id gluster/glustershd -p /var/run/g'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f1b5e5d7d24 in client3_3_lookup_cbk (req=0x7f1b44002300, iov=0x7f1b44002340, count=1, myframe=0x7f1b4401c850) at client-rpc-fops.c:2802
2802 client-rpc-fops.c: No such file or directory.
[Current thread is 1 (Thread 0x7f1b5f00c700 (LWP 1818))]
Missing separate debuginfos, use: dnf debuginfo-install rcp-pack-glusterfs-1.2.0_1_g54e6196-RCP2.wf29.x86_64
(gdb) bt
#0 0x00007f1b5e5d7d24 in client3_3_lookup_cbk (req=0x7f1b44002300, iov=0x7f1b44002340, count=1, myframe=0x7f1b4401c850) at client-rpc-fops.c:2802
#1 0x00007f1b64553d47 in rpc_clnt_handle_reply (clnt=0x7f1b5808bbb0, pollin=0x7f1b580c6620) at rpc-clnt.c:778
#2 0x00007f1b645542e5 in rpc_clnt_notify (trans=0x7f1b5808bde0, mydata=0x7f1b5808bbe0, event=RPC_TRANSPORT_MSG_RECEIVED, data=0x7f1b580c6620) at rpc-clnt.c:971
#3 0x00007f1b64550319 in rpc_transport_notify (this=0x7f1b5808bde0, event=RPC_TRANSPORT_MSG_RECEIVED, data=0x7f1b580c6620) at rpc-transport.c:538
#4 0x00007f1b5f49734d in socket_event_poll_in (this=0x7f1b5808bde0, notify_handled=_gf_true) at socket.c:2315
#5 0x00007f1b5f497992 in socket_event_handler (fd=25, idx=15, gen=7, data=0x7f1b5808bde0, poll_in=1, poll_out=0, poll_err=0) at socket.c:2471
#6 0x00007f1b647fe5ac in event_dispatch_epoll_handler (event_pool=0x230cb00, event=0x7f1b5f00be84) at event-epoll.c:583
#7 0x00007f1b647fe883 in event_dispatch_epoll_worker (data=0x23543d0) at event-epoll.c:659
#8 0x00007f1b6354a5da in start_thread () from /lib64/libpthread.so.0
#9 0x00007f1b62e20cbf in clone () from /lib64/libc.so.6
(gdb) print *(call_frame_t*)myframe
$1 = {root = 0x100000000, parent = 0x100000005, frames = {next = 0x7f1b4401c8a8, prev = 0x7f1b44010190}, local = 0x0, this = 0x0, ret = 0x0, ref_count = 0, lock = {spinlock = 0, mutex = {__data = {
__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x7f1b44010190, __next = 0x0}},
__size = '\000' <repeats 24 times>, "\220\001\001D\033\177\000\000\000\000\000\000\000\000\000", __align = 0}}, cookie = 0x7f1b4401ccf0, complete = _gf_false, op = GF_FOP_NULL, begin = {
tv_sec = 139755081730912, tv_usec = 139755081785872}, end = {tv_sec = 448811404, tv_usec = 21474836481}, wind_from = 0x0, wind_to = 0x0, unwind_from = 0x0, unwind_to = 0x0}
(gdb) info thread
Id Target Id Frame
* 1 Thread 0x7f1b5f00c700 (LWP 1818) 0x00007f1b5e5d7d24 in client3_3_lookup_cbk (req=0x7f1b44002300, iov=0x7f1b44002340, count=1, myframe=0x7f1b4401c850) at client-rpc-fops.c:2802
2 Thread 0x7f1b64c83780 (LWP 1812) 0x00007f1b6354ba3d in __pthread_timedjoin_ex () from /lib64/libpthread.so.0
3 Thread 0x7f1b61eae700 (LWP 1813) 0x00007f1b63554300 in nanosleep () from /lib64/libpthread.so.0
4 Thread 0x7f1b5feaa700 (LWP 1817) 0x00007f1b635508ca in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
5 Thread 0x7f1b5ca2b700 (LWP 1966) 0x00007f1b62dee4b0 in nanosleep () from /lib64/libc.so.6
6 Thread 0x7f1b4f7fe700 (LWP 1968) 0x00007f1b6355050c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
7 Thread 0x7f1b4e7fc700 (LWP 1970) 0x00007f1b6355050c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
8 Thread 0x7f1b4d7fa700 (LWP 1974) 0x00007f1b62dee4b0 in nanosleep () from /lib64/libc.so.6
9 Thread 0x7f1b33fff700 (LWP 1976) 0x00007f1b62dee4b0 in nanosleep () from /lib64/libc.so.6
10 Thread 0x7f1b616ad700 (LWP 1814) 0x00007f1b62d5fcbc in sigtimedwait () from /lib64/libc.so.6
11 Thread 0x7f1b60eac700 (LWP 1815) 0x00007f1b62dee4b0 in nanosleep () from /lib64/libc.so.6
12 Thread 0x7f1b606ab700 (LWP 1816) 0x00007f1b635508ca in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
13 Thread 0x7f1b5d6d5700 (LWP 1828) 0x00007f1b62e20fe7 in epoll_wait () from /lib64/libc.so.6
(gdb) quit
The source code is like this, so from gdb it coredump because frame->local is NULL!!
[cid:image001.jpg at 01D46178.06B71AA0]
>From sn-0 journal log,
Sep 26 16:04:40.034577 sn-0 systemd-coredump[2612]: Process 1812 (glusterfs) of user 0 dumped core.
Stack trace of thread 1818:
#0 0x00007f1b5e5d7d24 client3_3_lookup_cbk (client.so)
#1 0x00007f1b64553d47 rpc_clnt_handle_reply (libgfrpc.so.0)
#2 0x00007f1b645542e5 rpc_clnt_notify (libgfrpc.so.0)
#3 0x00007f1b64550319 rpc_transport_notify (libgfrpc.so.0)
#4 0x00007f1b5f49734d socket_event_poll_in (socket.so)
#5 0x00007f1b5f497992 socket_event_handler (socket.so)
#6 0x00007f1b647fe5ac event_dispatch_epoll_handler (libglusterfs.so.0)
#7 0x00007f1b647fe883 event_dispatch_epoll_worker (libglusterfs.so.0)
#8 0x00007f1b6354a5da start_thread (libpthread.so.0)
#9 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1812:
#0 0x00007f1b6354ba3d __GI___pthread_timedjoin_ex (libpthread.so.0)
#1 0x00007f1b647feae1 event_dispatch_epoll (libglusterfs.so.0)
#2 0x00007f1b647c2703 event_dispatch (libglusterfs.so.0)
#3 0x000000000040ab95 main (glusterfsd)
#4 0x00007f1b62d4baf7 __libc_start_main (libc.so.6)
#5 0x000000000040543a _start (glusterfsd)
Stack trace of thread 1813:
#0 0x00007f1b63554300 __nanosleep (libpthread.so.0)
#1 0x00007f1b647a04e5 gf_timer_proc (libglusterfs.so.0)
#2 0x00007f1b6354a5da start_thread (libpthread.so.0)
#3 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1817:
#0 0x00007f1b635508ca pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f1b647d98e3 syncenv_task (libglusterfs.so.0)
#2 0x00007f1b647d9b7e syncenv_processor (libglusterfs.so.0)
#3 0x00007f1b6354a5da start_thread (libpthread.so.0)
#4 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1966:
#0 0x00007f1b62dee4b0 __nanosleep (libc.so.6)
#1 0x00007f1b62dee38a sleep (libc.so.6)
#2 0x00007f1b5e36970c afr_shd_index_healer (replicate.so)
#3 0x00007f1b6354a5da start_thread (libpthread.so.0)
#4 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1968:
#0 0x00007f1b6355050c pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f1b647da993 __syncbarrier_wait (libglusterfs.so.0)
#2 0x00007f1b647da9e4 syncbarrier_wait (libglusterfs.so.0)
#3 0x00007f1b5e357cde afr_selfheal_unlocked_discover_on (replicate.so)
#4 0x00007f1b5e357d80 afr_selfheal_unlocked_discover (replicate.so)
#5 0x00007f1b5e363bf8 __afr_selfheal_entry_prepare (replicate.so)
#6 0x00007f1b5e3641c0 afr_selfheal_entry_dirent (replicate.so)
#7 0x00007f1b5e36488a afr_selfheal_entry_do_subvol (replicate.so)
#8 0x00007f1b5e365077 afr_selfheal_entry_do (replicate.so)
#9 0x00007f1b5e3656b6 __afr_selfheal_entry (replicate.so)
#10 0x00007f1b5e365bba afr_selfheal_entry (replicate.so)
#11 0x00007f1b5e35d250 afr_selfheal_do (replicate.so)
#12 0x00007f1b5e35d346 afr_selfheal (replicate.so)
#13 0x00007f1b5e368c5c afr_shd_selfheal (replicate.so)
#14 0x00007f1b5e36900b afr_shd_index_heal (replicate.so)
#15 0x00007f1b647ffed3 syncop_mt_dir_scan (libglusterfs.so.0)
#16 0x00007f1b5e3692b5 afr_shd_index_sweep (replicate.so)
#17 0x00007f1b5e369394 afr_shd_index_sweep_all (replicate.so)
#18 0x00007f1b5e369697 afr_shd_index_healer (replicate.so)
#19 0x00007f1b6354a5da start_thread (libpthread.so.0)
#20 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1970:
#0 0x00007f1b6355050c pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f1b647da993 __syncbarrier_wait (libglusterfs.so.0)
#2 0x00007f1b647da9e4 syncbarrier_wait (libglusterfs.so.0)
#3 0x00007f1b5e357742 afr_selfheal_unlocked_lookup_on (replicate.so)
#4 0x00007f1b5e364204 afr_selfheal_entry_dirent (replicate.so)
#5 0x00007f1b5e36488a afr_selfheal_entry_do_subvol (replicate.so)
#6 0x00007f1b5e365077 afr_selfheal_entry_do (replicate.so)
#7 0x00007f1b5e3656b6 __afr_selfheal_entry (replicate.so)
#8 0x00007f1b5e365bba afr_selfheal_entry (replicate.so)
#9 0x00007f1b5e35d250 afr_selfheal_do (replicate.so)
#10 0x00007f1b5e35d346 afr_selfheal (replicate.so)
#11 0x00007f1b5e368c5c afr_shd_selfheal (replicate.so)
#12 0x00007f1b5e36900b afr_shd_index_heal (replicate.so)
#13 0x00007f1b647ffed3 syncop_mt_dir_scan (libglusterfs.so.0)
#14 0x00007f1b5e3692b5 afr_shd_index_sweep (replicate.so)
#15 0x00007f1b5e369394 afr_shd_index_sweep_all (replicate.so)
#16 0x00007f1b5e369697 afr_shd_index_healer (replicate.so)
#17 0x00007f1b6354a5da start_thread (libpthread.so.0)
#18 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1974:
#0 0x00007f1b62dee4b0 __nanosleep (libc.so.6)
#1 0x00007f1b62dee38a sleep (libc.so.6)
#2 0x00007f1b5e36970c afr_shd_index_healer (replicate.so)
#3 0x00007f1b6354a5da start_thread (libpthread.so.0)
#4 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1976:
#0 0x00007f1b62dee4b0 __nanosleep (libc.so.6)
#1 0x00007f1b62dee38a sleep (libc.so.6)
#2 0x00007f1b5e36970c afr_shd_index_healer (replicate.so)
#3 0x00007f1b6354a5da start_thread (libpthread.so.0)
#4 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1814:
#0 0x00007f1b62d5fcbc __sigtimedwait (libc.so.6)
#1 0x00007f1b63554afc sigwait (libpthread.so.0)
#2 0x0000000000409ed7 glusterfs_sigwaiter (glusterfsd)
#3 0x00007f1b6354a5da start_thread (libpthread.so.0)
#4 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1815:
#0 0x00007f1b62dee4b0 __nanosleep (libc.so.6)
#1 0x00007f1b62dee38a sleep (libc.so.6)
#2 0x00007f1b647c3f5c pool_sweeper (libglusterfs.so.0)
#3 0x00007f1b6354a5da start_thread (libpthread.so.0)
#4 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1816:
#0 0x00007f1b635508ca pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007f1b647d98e3 syncenv_task (libglusterfs.so.0)
#2 0x00007f1b647d9b7e syncenv_processor (libglusterfs.so.0)
#3 0x00007f1b6354a5da start_thread (libpthread.so.0)
#4 0x00007f1b62e20cbf __clone (libc.so.6)
Stack trace of thread 1828:
#0 0x00007f1b62e20fe7 epoll_wait (libc.so.6)
#1 0x00007f1b647fe855 event_dispatch_epoll_worker (libglusterfs.so.0)
#2 0x00007f1b6354a5da start_thread (libpthread.so.0)
#3 0x00007f1b62e20cbf __clone (libc.so.6)
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