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Running the test http://johnleach.co.uk/downloads/glusterfs/glusterfs-mirror-test-suite-3.tar.gz results in a reproducible segfault with git-master code. To run the test, download and untar. Then run $ ruby rub.rb #0 0xb7f22371 in inode_ref (inode=0x0) at ../../../libglusterfs/src/inode.c:367 #1 0xb7516692 in server_inodelk_resume (frame=0x80a2c70, this=0x8056fa8, volume=0x8098848 "mirror", loc=0x80a0a3c, cmd=13, flock=0x80a0a58) at ../../../../../xlators/protocol/server/src/server-protocol.c:5555 #2 0xb7f2be2e in call_resume_wind (stub=0x80a0a20) at ../../../libglusterfs/src/call-stub.c:2557 #3 0xb7f3096f in call_resume (stub=0x80a0a20) at ../../../libglusterfs/src/call-stub.c:4174 #4 0xb7516ae8 in server_inodelk (frame=0x80a2c70, bound_xl=0x8056a30, hdr=0x809ac50, hdrlen=104, iobuf=0x0) at ../../../../../xlators/protocol/server/src/server-protocol.c:5633 #5 0xb751c503 in protocol_server_interpret (this=0x8056fa8, trans=0x8059d88, hdr_p=0x809ac50 "", hdrlen=104, iobuf=0x0) at ../../../../../xlators/protocol/server/src/server-protocol.c:7448 #6 0xb751d157 in protocol_server_pollin (this=0x8056fa8, trans=0x8059d88) at ../../../../../xlators/protocol/server/src/server-protocol.c:7729 #7 0xb751d2ad in notify (this=0x8056fa8, event=2, data=0x8059d88) at ../../../../../xlators/protocol/server/src/server-protocol.c:7785 #8 0xb7f14a58 in xlator_notify (xl=0x8056fa8, event=2, data=0x8059d88) at ../../../libglusterfs/src/xlator.c:925 #9 0xb7f44663 in socket_event_poll_in (this=0x8059d88) at ../../../../transport/socket/src/socket.c:713 #10 0xb7f44968 in socket_event_handler (fd=7, idx=1, data=0x8059d88, poll_in=1, poll_out=0, poll_err=0) at ../../../../transport/socket/src/socket.c:813 #11 0xb7f347d0 in event_dispatch_epoll_handler (event_pool=0x80519a8, events=0x8059178, i=0) at ../../../libglusterfs/src/event.c:804 #12 0xb7f349a1 in event_dispatch_epoll (event_pool=0x80519a8) at ../../../libglusterfs/src/event.c:867 #13 0xb7f34cfc in event_dispatch (event_pool=0x80519a8) at ../../../libglusterfs/src/event.c:975 #14 0x0804d67b in main (argc=6, argv=0xbfefe704) at ../../../glusterfsd/src/glusterfsd.c:1291
logfile of crashed server is as below. Version : glusterfs 2.1.0git built on Sep 7 2009 10:14:11 git: git://git.sv.gnu.org/gluster.git Starting Time: 2009-09-07 11:31:04 Command line : glusterfsd -f /home/vinayak/volfiles/afr-server1.vol -l /home/vinayak/logs/afr-server1.log -L DEBUG PID : 25406 System name : Linux Nodename : laptop Kernel Release : 2.6.28-15-generic Hardware Identifier: i686 Given volfile: +------------------------------------------------------------------------------+ 1: volume posix 2: type storage/posix 3: option directory /tmp/export1 4: end-volume 5: 6: volume locks 7: type features/locks 8: subvolumes posix 9: end-volume 10: 11: volume brick 12: type performance/io-threads 13: option thread-count 8 14: subvolumes locks 15: end-volume 16: 17: volume server 18: type protocol/server 19: option transport-type tcp 20: option listen-port 9332 21: option auth.addr.brick.allow * 22: subvolumes brick 23: end-volume 24: +----------------------------------------------------------------------------+------------------------------------------------------------------------------+ [2009-09-07 11:31:04] D [glusterfsd.c:1265:main] glusterfs: running in pid 25406 [2009-09-07 11:31:04] D [io-threads.c:2930:init] brick: io-threads: Autoscaling: off, min_threads: 8, max_threads: 8 [2009-09-07 11:31:04] D [transport.c:145:transport_load] transport: attempt to load file /usr/local/lib/glusterfs/2.1.0git/transport/socket.so [2009-09-07 11:31:04] W [xlator.c:656:validate_xlator_volume_options] server: option 'listen-port' is deprecated, preferred is 'transport.socket.listen-port', continuing with correction [2009-09-07 11:31:04] D [xlator.c:285:_volume_option_value_validate] server: no range check required for 'option transport.socket.listen-port 9332' [2009-09-07 11:31:04] N [glusterfsd.c:1284:main] glusterfs: Successfully started [2009-09-07 11:32:22] D [addr.c:190:gf_auth] brick: allowed = "*", received addr = "127.0.0.1" [2009-09-07 11:32:22] N [server-protocol.c:7011:mop_setvolume] server: accepted client from 127.0.0.1:1021 [2009-09-07 11:32:22] D [addr.c:190:gf_auth] brick: allowed = "*", received addr = "127.0.0.1" [2009-09-07 11:32:22] N [server-protocol.c:7011:mop_setvolume] server: accepted client from 127.0.0.1:1020 pending frames: frame : type(1) op(INODELK) patchset: git://git.sv.gnu.org/gluster.git signal received: 11 time of crash: 2009-09-07 11:32:23 configuration details: argp 1 backtrace 1 dlfcn 1 fdatasync 1 libpthread 1 llistxattr 1 setfsid 1 spinlock 1 epoll.h 1 xattr.h 1 st_atim.tv_nsec 1 package-string: glusterfs 2.1.0git [0xb7f35400] /usr/local/lib/glusterfs/2.1.0git/xlator/protocol/server.so(server_inodelk_resume+0x196)[0xb74e6b16] /usr/local/lib/libglusterfs.so.0(call_resume+0x2f7)[0xb7f19947] /usr/local/lib/glusterfs/2.1.0git/xlator/protocol/server.so(server_inodelk+0x1e3)[0xb74e90b3] /usr/local/lib/glusterfs/2.1.0git/xlator/protocol/server.so(protocol_server_interpret+0xbb)[0xb74e438b] /usr/local/lib/glusterfs/2.1.0git/xlator/protocol/server.so(protocol_server_pollin+0x9c)[0xb74e463c] /usr/local/lib/glusterfs/2.1.0git/xlator/protocol/server.so(notify+0x7f)[0xb74e46bf] /usr/local/lib/libglusterfs.so.0(xlator_notify+0x3f)[0xb7f0a4cf] /usr/local/lib/glusterfs/2.1.0git/transport/socket.so(socket_event_poll_in+0x3d)[0xb64d0aed] /usr/local/lib/glusterfs/2.1.0git/transport/socket.so(socket_event_handler+0xab)[0xb64d0bab] /usr/local/lib/libglusterfs.so.0[0xb7f25b1a] /usr/local/lib/libglusterfs.so.0(event_dispatch+0x21)[0xb7f248e1] glusterfsd(main+0xbfe)[0x804bc4e] /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5)[0xb7d80775] glusterfsd[0x8049f11]