On 06/01/2015 01:09 PM, Anand Nekkunti wrote:
Hi Venky
one of regression test in my patch, I found core dump from scrubber
. Please have a look.
Link
:http://build.gluster.org/job/rackspace-regression-2GB-triggered/9925/consoleFull
bt fir core ...
(gdb) bt
#0 0x00007f89d6224731 in gf_tw_mod_timer_pending (base=0xf2fbc0,
timer=0x0, expires=233889) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/contrib/timer-wheel/timer-wheel.c:239
#1 0x00007f89c82ce7e8 in br_fsscan_reschedule (this=0x7f89c4008980,
child=0x7f89c4011238, fsscan=0x7f89c4012290, fsscrub=0x7f89c4010010,
pendingcheck=_gf_true)
The crash happens when scrubber is paused as reconfigure() blindly
accesses scrubber specific data which is not available _after_ pause.
Thanks for reporting. I'll send a fix for this.
at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/bit-rot/src/bitd/bit-rot-scrub.c:703
#2 0x00007f89c82cc9d4 in reconfigure (this=0x7f89c4008980,
options=0x7f89d3bc9558) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/bit-rot/src/bitd/bit-rot.c:1673
#3 0x00007f89d62044cd in xlator_reconfigure_rec
(old_xl=0x7f89c4008980, new_xl=0x7f89c409b460) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/options.c:1084
#4 0x00007f89d6204414 in xlator_reconfigure_rec
(old_xl=0x7f89c400a6c0, new_xl=0x7f89c409c500) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/options.c:1070
#5 0x00007f89d62045df in xlator_tree_reconfigure
(old_xl=0x7f89c400a6c0, new_xl=0x7f89c409c500) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/options.c:1112
#6 0x00007f89d61ec7bd in glusterfs_graph_reconfigure
(oldgraph=0x7f89c4001d30, newgraph=0x7f89c4098130) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/graph.c:893
#7 0x00007f89d61ec629 in glusterfs_volfile_reconfigure
(oldvollen=932, newvolfile_fp=0x7f89c4097eb0, ctx=0xefe010,
oldvolfile=0x7f89c40608c0 "volume patchy-client-0\n type
protocol/client\n option password
57218e76-6f3a-4f60-8b23-a0bca58c135d\n option username
3f24264e-5cbc-4be7-a2eb-326d804f8f90\n option transport-type
tcp\n opti"...) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/graph.c:844
#8 0x000000000040e27d in mgmt_getspec_cbk (req=0xf65c7c,
iov=0xf65cbc, count=1, myframe=0x7f89d4005c58) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/glusterfsd/src/glusterfsd-mgmt.c:1532
#9 0x00007f89d5f63e90 in rpc_clnt_handle_reply (clnt=0xf65990,
pollin=0x7f89c4060740) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/rpc/rpc-lib/src/rpc-clnt.c:761
#10 0x00007f89d5f642b0 in rpc_clnt_notify (trans=0xf674e0,
mydata=0xf659c0, event=RPC_TRANSPORT_MSG_RECEIVED,
data=0x7f89c4060740) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/rpc/rpc-lib/src/rpc-clnt.c:889
#11 0x00007f89d5f607e0 in rpc_transport_notify (this=0xf674e0,
event=RPC_TRANSPORT_MSG_RECEIVED, data=0x7f89c4060740) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/rpc/rpc-lib/src/rpc-transport.c:538
#12 0x00007f89ca741311 in socket_event_poll_in (this=0xf674e0) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/rpc/rpc-transport/socket/src/socket.c:2285
#13 0x00007f89ca7417cc in socket_event_handler (fd=9, idx=1,
data=0xf674e0, poll_in=1, poll_out=0, poll_err=0) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/rpc/rpc-transport/socket/src/socket.c:2398
#14 0x00007f89d620f449 in event_dispatch_epoll_handler
(event_pool=0xf1cc10, event=0x7f89c911ae70) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/event-epoll.c:567
#15 0x00007f89d620f7a2 in event_dispatch_epoll_worker (data=0xf686a0)
at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/event-epoll.c:669
#16 0x00007f89d56ff9d1 in start_thread () from ./lib64/libpthread.so.0
#17 0x00007f89d50698fd in clone () from ./lib64/libc.so.6
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