Public bug reported:
[Description]
Corosync sigaborts if it starts before the interface it has to bind to
is ready.
On boot, if no interface in the bindnetaddr range is up/configured,
corosync binds to lo (127.0.0.1). Once an applicable interface is up,
corosync crashes with the following error message:
corosync: votequorum.c:2019: message_handler_req_exec_votequorum_nodeinfo:
Assertion `sender_node != NULL' failed.
Aborted (core dumped)
The last log entries show that the interface is trying to join the
cluster:
Dec 19 11:36:05 [22167] xenial-pacemaker corosync debug [TOTEM ]
totemsrp.c:2089 entering OPERATIONAL state.
Dec 19 11:36:05 [22167] xenial-pacemaker corosync notice [TOTEM ]
totemsrp.c:2095 A new membership (169.254.241.10:444) was formed. Members
joined: 704573706
During the quorum calculation, the generated nodeid (704573706) for the
node is being used instead of the nodeid specified in the configuration
file (1), and the assert fails because the nodeid is not present in the
member list. Corosync should use the correct nodeid and continue running
after the interface is up, as shown in a fixed corosync boot:
Dec 19 11:50:56 [4824] xenial-corosync corosync notice [TOTEM ]
totemsrp.c:2095 A new membership (169.254.241.10:80) was formed. Members
joined: 1
[Environment]
Xenial 16.04.3
Packages:
ii corosync 2.3.5-3ubuntu1 amd64 cluster engine
daemon and utilities
ii libcorosync-common4:amd64 2.3.5-3ubuntu1 amd64 cluster engine
common library
[Reproducer]
Config:
totem {
version: 2
transport: udpu
crypto_cipher: none
crypto_hash: none
interface {
ringnumber: 0
member {
memberaddr: 169.254.241.10
}
member {
memberaddr: 169.254.241.20
}
bindnetaddr: 169.254.241.0
mcastport: 5405
ttl: 1
}
}
quorum {
provider: corosync_votequorum
expected_votes: 2
}
nodelist {
node {
ring0_addr: 169.254.241.10
nodeid: 1
}
node {
ring0_addr: 169.254.241.20
nodeid: 2
}
}
1. ifdown interface (169.254.241.10)
2. start corosync (/usr/sbin/corosync -f)
3. ifup interface
[Fix]
Commit
https://github.com/corosync/corosync/commit/aab55a004bb12ebe78db341dc56759dfe710c1b2
fixes the way the CMAP is populated, and seems to fix this bug.
** Affects: corosync (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1739033
Title:
Corosync: Assertion 'sender_node != NULL' failed when bind iface is
ready after corosync boots
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