[Gluster-devel] glusterfs client segfault in patch-308

[Rhesa Rozendaal]

client log:

2007-07-12 21:57:43 C [common-utils.c:208:gf_print_trace] debug-backtrace: Got 
signal (11), printing backtrace
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/usr/local/lib/libglusterfs.so.0(gf_print_trace+0x26) [0xd53bca]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/lib/tls/libc.so.6 [0x5dd898]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/usr/local/lib/libglusterfs.so.0(dict_get+0x11) [0xd4e885]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/usr/local/lib/glusterfs/1.3.0-pre5.2/xlator/cluster/unify.so(unify_flush+0x4b) 
[0x117a4b]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/usr/local/lib/glusterfs/1.3.0-pre5.2/xlator/performance/io-threads.so [0xa1807a]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/usr/local/lib/libglusterfs.so.0(call_resume+0x3b8) [0xd588ec]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/usr/local/lib/glusterfs/1.3.0-pre5.2/xlator/performance/io-threads.so [0xa1922a]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/lib/tls/libpthread.so.0 [0x735371]
2007-07-12 21:57:43 C [common-utils.c:210:gf_print_trace] debug-backtrace: 
/lib/tls/libc.so.6(__clone+0x5e) [0x67dffe]

bt:
This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db 
library "/lib/tls/libthread_db.so.1".

Core was generated by `[glusterfs]
[snip]
(gdb) bt
#0  0x0061ed58 in strcmp () from /lib/tls/libc.so.6
#1  0x00d4e577 in _dict_lookup (this=Variable "this" is not available.
) at ../../../libglusterfs/src/dict.c:125
#2  0x00d4e885 in dict_get (this=0xa563d98, key=0x9ded328 "client02") at 
../../../libglusterfs/src/dict.c:185
#3  0x00117a4b in unify_flush (frame=0xb5606d28, this=0x9ded848, fd=0xa8a6540) 
at ../../../../../xlators/cluster/unify/src/unify.c:2778
#4  0x00a1807a in iot_flush_wrapper (frame=0xb59a3648, this=0xeeeeeeee, 
fd=0xa8a6540) at 
../../../../../xlators/performance/io-threads/src/io-threads.c:319
#5  0x00d588ec in call_resume (stub=0xb597f1d8) at 
../../../libglusterfs/src/call-stub.c:1812
#6  0x00a1922a in iot_worker (arg=0x9dff1e0) at 
../../../../../xlators/performance/io-threads/src/io-threads.c:1012
#7  0x00735371 in start_thread () from /lib/tls/libpthread.so.0
#8  0x0067dffe in clone () from /lib/tls/libc.so.6

client spec:
volume ns
   type protocol/client
   option transport-type tcp/client
   option remote-host nfs-deb-03
   option remote-subvolume ns
end-volume

volume client01
   type protocol/client
   option transport-type tcp/client
   option remote-host nfs-deb-03
   option remote-subvolume brick01
end-volume

volume client02
   type protocol/client
   option transport-type tcp/client
   option remote-host nfs-deb-03
   option remote-subvolume brick02
end-volume

volume client03
   type protocol/client
   option transport-type tcp/client
   option remote-host nfs-deb-03
   option remote-subvolume brick03
end-volume

volume client31
   type protocol/client
   option transport-type tcp/client
   option remote-host nfs-deb-03
   option remote-subvolume brick31
end-volume

volume export
   type cluster/unify
   subvolumes client01 client02 client03 client31
   option namespace ns
   option scheduler alu
   option alu.limits.min-free-disk 1GB
   option alu.order 
disk-usage:read-usage:write-usage:open-files-usage:disk-speed-usage
end-volume

volume iothreads
   type performance/io-threads
   option thread-count 4
   option cache-size 16MB
   subvolumes export
end-volume

volume readahead
   type performance/read-ahead
   option page-size 4096
   option page-count 16
   subvolumes iothreads
end-volume

volume writeback
   type performance/write-behind
   option aggregate-size 131072
   option flush-behind on
   subvolumes readahead
end-volume