2013/4/2 Angus Salkeld
<asalkeld@redhat.com>
On 29/03/13 01:13 +0400, eXeC001er wrote:
Hello.
This Q is crosspost from openais-maillist.
I use corosync-2.3.0, libqb-0.14.4 on OpenIndiana:
I tried to create an application that uses corosync via its libraries, but
it seems something wrong.
On the machine where i debug corosync-tests work fine, but my application
does not work. The application cannot intialize CMAP connection (same with
VOTEQUORUM).
"*_initialize" function returned CS_ERR_NOT_EXIST error. on server side i
see "Error in connection setup (7104-7367-0): Broken pipe (32)".
My appliacation is multi-thread and "*_initialize" is called not in main
thread.
Well, I suggest you keep it simple initially.
Do the standard corosync apps work ok?
like:
./tests/testcpg
yes. all tests from test directory of corosync sources work fine.
It would be good to try narrow down what is failing.
the stack-trace:
/3@3: -> libvotequorum:votequorum_initialize(0x8834b2c, 0x0, 0x0,
0xfea63855)
/2: nanosleep(0xFE99BF48, 0x00000000) = 0
/3@3: -> libqb:qb_hdb_handle_create()
/3@3: <- libqb:qb_hdb_handle_create() = 0
/3@3: -> libcorosync_common:hdb_error_to_cs()
/3@3: <- libcorosync_common:hdb_error_to_cs() = 1
/3@3: -> libqb:qb_hdb_handle_get()
/3@3: <- libqb:qb_hdb_handle_get() = 0
/3@3: -> libcorosync_common:hdb_error_to_cs()
/3@3: <- libcorosync_common:hdb_error_to_cs() = 1
/3@3: -> libqb:qb_ipcc_connect()
/3: so_socket(PF_UNIX, SOCK_STREAM, 0, 0x00000000, SOV_DEFAULT) = 8
/3: fcntl(8, F_GETFD, 0x00000000) = 0
/3: fcntl(8, F_SETFD, 0x00000001) = 0
/3: fcntl(8, F_SETFL, FNONBLOCK) = 0
/3: connect(8, 0xFE67C13A, 21, SOV_DEFAULT) = 0
/3: sigaction(SIGPIPE, 0xFE67C0E0, 0xFE67C140) = 0
/3: send(8, "FFFFFFFF\0\0\0\018\0\0\0".., 24, 0) = 24
/3: sigaction(SIGPIPE, 0xFE67C0E0, 0x00000000) = 0
/3: sigaction(SIGPIPE, 0xFE67C0D0, 0xFE67C130) = 0
/3: recv(8, 0xFE67C210, 3112, 64) Err#11 EAGAIN
this ^ is the client returngin EAGAIN on the socket...
the problem is probably on the server.
on server side i also see strange case:
if i try to run a corosync-* tool, then the tool returned required info, but on server side i see "File not found" error. I see that the corosync daemon tries to do something with /proc/<client_pid> file:
an example:
......... [QB ] recv from client connection failed (10656-12155-22): No such file or directory (2)
/3: sigaction(SIGPIPE, 0xFE67C0D0, 0x00000000) = 0
/3: shutdown(8, SHUT_RDWR, SOV_DEFAULT) = 0
/3: close(8) = 0
/3@3: <- libqb:qb_ipcc_connect() = 0
/3@3: -> libcorosync_common:qb_to_cs_error()
/3@3: <- libcorosync_common:qb_to_cs_error() = 12
/3@3: -> libqb:qb_hdb_handle_put(0xfe9f3070, 0x0, 0xb86775, 0xfe67ce7c)
/3@3: <- libqb:qb_hdb_handle_put() = 0
/3@3: -> libqb:qb_hdb_handle_destroy(0xfe9f3070, 0x0, 0xb86775, 0x0)
/3@3: -> libqb:qb_ipcc_disconnect(0x0, 0x8835b88, 0x0, 0x1)
/3@3: <- libqb:qb_ipcc_disconnect() = 0
/3@3: <- libqb:qb_hdb_handle_destroy() = 0
/3@3: <- libvotequorum:votequorum_initialize() = 12
As you can see it returns CS_ERR_NOT_EXIST.
same behaviour with CMAP and another services.
Any ideas?
Can you turn on debug in corosync.conf and to_stderr
logging {
to_stderr: yes
debug: on
}
and run corosync like this:
"sudo corosync -f"
then in another window run:
./tests/testcpg
then type a couple of words (any junk) - testcpg should send what ever
is typed to corosync. Then Ctrl-C to end.
Can you send the contents of both shells so I can see what both the
client and server are doing?
CLIENT:
$ sudo ./testcpg
Type EXIT to finish
Local node id is ac12fe0a
membership list
nza4-devel:20446 2013-04-02 10:43:38.902
ConfchgCallback: group 'GROUP'
joined node/pid -1408041462/20446 reason: 1
nodes in group now 1
node/pid -1408041462/20446
nza4-devel:20446 2013-04-02 10:43:38.904
TotemConfchgCallback: ringid (2886925834.156)
active processors 1: -1408041462
param param param param
nza4-devel:20446 2013-04-02 10:44:07.682
DeliverCallback: message (len=25)from node/pid -1408041462/20446: 'param param param param
'
SERVER:
-Angus
Thanks.
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