| Summary: | Deadlock in state dumping while holding the logging lock | ||
|---|---|---|---|
| Product: | [Community] GlusterFS | Reporter: | Shehjar Tikoo <shehjart> |
| Component: | core | Assignee: | kaushik <kbudiger> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | low | ||
| Version: | nfs-alpha | CC: | gluster-bugs, vijay |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | RTP | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
PATCH: http://patches.gluster.com/patch/4570 in master (Deadlock in state dumping while holding the logging lock) |
Heres the backtrace: Loaded symbols for /lib/libresolv.so.2 Reading symbols from /lib/libnss_mdns4.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libnss_mdns4.so.2 0x00007f1a59890464 in __lll_lock_wait () from /lib/libpthread.so.0 (gdb) bt #0 0x00007f1a59890464 in __lll_lock_wait () from /lib/libpthread.so.0 #1 0x00007f1a5988b5d9 in _L_lock_953 () from /lib/libpthread.so.0 #2 0x00007f1a5988b3fb in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0x00007f1a59cbfabb in _gf_log (domain=0x259c010 "posix-locked", file=0x7f1a584a10f6 "inodelk.c", function=0x7f1a584a1480 "__get_inodelk_count", line=691, level=GF_LOG_DEBUG, fmt=0x7f1a584a13d8 " XATTR DEBUG domain: %s %s (pid=%d) (lk-owner=%lu) %ld - %ld state = Active") at logging.c:482 #4 0x00007f1a5849fcba in __get_inodelk_count (this=0x259c030, pl_inode=0x25ab780) at inodelk.c:682 #5 0x00007f1a5849fe6c in get_inodelk_count (this=0x259c030, inode=0x25ab8d0) at inodelk.c:734 #6 0x00007f1a5849b092 in pl_dump_inode_priv (this=0x259c030, inode=0x25ab8d0) at posix.c:1400 #7 0x00007f1a59cd1d62 in inode_dump (inode=0x25ab8d0, prefix=0x7fff7c58dba0 "xlator.protocol.server.conn.1.bound_xl.posix-locked-iot.active.1") at inode.c:1373 #8 0x00007f1a59cd20d4 in inode_table_dump (itable=0x25a3cb0, prefix=0x7fff7c58ec10 "xlator.protocol.server.conn.1.bound_xl.posix-locked-iot") at inode.c:1414 #9 0x00007f1a5806ce64 in server_inode (this=0x259e280) at server-protocol.c:6169 #10 0x00007f1a59cea2ec in gf_proc_dump_xlator_info (this_xl=0x259e280) at statedump.c:163 #11 0x00007f1a59cea3ac in gf_proc_dump_info (signum=10) at statedump.c:189 #12 <signal handler called> #13 0x00007f1a595d84dd in write () from /lib/libc.so.6 #14 0x00007f1a59573133 in _IO_file_write () from /lib/libc.so.6 #15 0x00007f1a59574785 in _IO_do_write () from /lib/libc.so.6 #16 0x00007f1a595738e8 in _IO_file_sync () from /lib/libc.so.6 #17 0x00007f1a59567f9a in fflush () from /lib/libc.so.6 #18 0x00007f1a59cbfcba in _gf_log (domain=0x259f6a0 "repl", file=0x7f1a57e47f3d "afr-self-heal-algorithm.c", function=0x7f1a57e48300 "sh_full_write_cbk", line=143, level=GF_LOG_TRACE, fmt=0x7f1a57e47f58 "wrote %d bytes of data from %s to child %d, offset %ld") at logging.c:516 #19 0x00007f1a57e4136d in sh_full_write_cbk (rw_frame=0x27cf588, cookie=0x1, this=0x259f6c0, op_ret=65536, op_errno=0, prebuf=0x7fff7c590540, postbuf=0x7fff7c5904d0) at afr-self-heal-algorithm.c:140 #20 0x00007f1a58af0eab in client_write_cbk (frame=0x267f850, hdr=0x27cf690, hdrlen=268, iobuf=0x0) at client-protocol.c:4196 #21 0x00007f1a58af6de6 in protocol_client_interpret (this=0x2598f30, trans=0x25a5960, hdr_p=0x27cf690 "", hdrlen=268, iobuf=0x0) at client-protocol.c:6093 #22 0x00007f1a58af7b67 in protocol_client_pollin (this=0x2598f30, trans=0x25a5960) at client-protocol.c:6391 #23 0x00007f1a58af8160 in notify (this=0x2598f30, event=2, data=0x25a5960) at client-protocol.c:6510 #24 0x00007f1a59cbe1c8 in xlator_notify (xl=0x2598f30, event=2, data=0x25a5960) at xlator.c:919 #25 0x00007f1a56c9746a in socket_event_poll_in (this=0x25a5960) at socket.c:731 #26 0x00007f1a56c9779d in socket_event_handler (fd=10, idx=5, data=0x25a5960, poll_in=1, poll_out=0, poll_err=0) at socket.c:831 #27 0x00007f1a59ce572e in event_dispatch_epoll_handler (event_pool=0x2592330, events=0x25a8350, i=0) at event.c:804 #28 0x00007f1a59ce5920 in event_dispatch_epoll (event_pool=0x2592330) at event.c:867 #29 0x00007f1a59ce5c3f in event_dispatch (event_pool=0x2592330) at event.c:975 #30 0x0000000000406cc0 in main (argc=8, argv=0x7fff7c5911d8) at glusterfsd.c:1494 (gdb)