[Gluster-devel] Regression failure: https://build.gluster.org/job/centos7-regression/3678/

[Nithya Balachandran]

Hi Mohit,

The regression run in the subject has failed because a brick has crashed in

bug-1432542-mpx-restart-crash.t


*06:03:38* 1 test(s) generated core *06:03:38*
./tests/bugs/core/bug-1432542-mpx-restart-crash.t*06:03:38*


The brick process has crashed in posix_fs_health_check as  this->priv
contains garbage. It looks like it might have been freed already. Can you
take a look at it?



(gdb) bt
#0  0x00007f4019ea1f19 in vfprintf () from ./lib64/libc.so.6
#1  0x00007f4019eccf49 in vsnprintf () from ./lib64/libc.so.6
#2  0x00007f401b87705a in gf_vasprintf (string_ptr=0x7f3e81ff99f0,
format=0x7f400df32f40 "op=%s;path=%s;error=%s;brick=%s:%s timeout is %d",
arg=0x7f3e81ff99f8)
    at
/home/jenkins/root/workspace/centos7-regression/libglusterfs/src/mem-pool.c:234
#3  0x00007f401b8de6e2 in _gf_event (event=EVENT_POSIX_HEALTH_CHECK_FAILED,
fmt=0x7f400df32f40 "op=%s;path=%s;error=%s;brick=%s:%s timeout is %d")
    at
/home/jenkins/root/workspace/centos7-regression/libglusterfs/src/events.c:89
#4  0x00007f400def07f9 in posix_fs_health_check (this=0x7f3fd78b7840) at
/home/jenkins/root/workspace/centos7-regression/xlators/storage/posix/src/posix-helpers.c:1960
#5  0x00007f400def0926 in posix_health_check_thread_proc
(data=0x7f3fd78b7840)
    at
/home/jenkins/root/workspace/centos7-regression/xlators/storage/posix/src/posix-helpers.c:2005
#6  0x00007f401a68ae25 in start_thread () from ./lib64/libpthread.so.0
#7  0x00007f4019f53bad in clone () from ./lib64/libc.so.6
(gdb) f 4
#4  0x00007f400def07f9 in posix_fs_health_check (this=0x7f3fd78b7840) at
/home/jenkins/root/workspace/centos7-regression/xlators/storage/posix/src/posix-helpers.c:1960
1960         gf_event(EVENT_POSIX_HEALTH_CHECK_FAILED,
(gdb) l
1955         sys_close(fd);
1956     }
1957     if (ret && file_path[0]) {
1958         gf_msg(this->name, GF_LOG_WARNING, errno,
P_MSG_HEALTHCHECK_FAILED,
1959                "%s() on %s returned", op, file_path);
1960         gf_event(EVENT_POSIX_HEALTH_CHECK_FAILED,
1961                  "op=%s;path=%s;error=%s;brick=%s:%s timeout is %d",
op,
1962                  file_path, strerror(op_errno), priv->hostname,
priv->base_path,
1963                  timeout);
1964     }
(gdb) p pri->hostname
No symbol "pri" in current context.
*(gdb) p priv->hostname*
*$14 = 0xa200 <error: Cannot access memory at address 0xa200>*
*(gdb) p priv->base_path*
*$15 = 0x7f3ddeadc0de00 <error: Cannot access memory at address
0x7f3ddeadc0de00>*
(gdb)



Thanks,
Nithya
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