Upstream fix is the following :
https://github.com/ClusterLabs/libqb/commit/0766a3ca5473a9e126e91022075b4b3798b8d5bc
It consist of increasing the CONNECTION_DESCRIPTION
-#define CONNECTION_DESCRIPTION (18)
+#define CONNECTION_DESCRIPTION (34) /* INT_MAX length + 3 */
** Changed in: libqb (Ubuntu Trusty)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: libqb (Ubuntu Wily)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: libqb (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: libqb (Ubuntu Wily)
Importance: Undecided => Medium
** Description changed:
+ [SRU JUSTIFICATION]
+
+ [Impact]
+
+ Pacemaker fails to start and reports a Library Error as follow :
+ "notice: mcp_read_config: Configured corosync to accept connections from
group 124: Library error (2)"
+
+ [Test Case]
+
+ - Have a corosync/pacemaker cluster with libqb version <=0.16.0.real-1ubuntu4
+ - You need sequentially start/stop Corosync/Pacemaker for some amount of
times to trigger the issue (until both PIDs of corosync/pacemaker are >99999
and fd >=10 to trigger this issue)
+
+ [Regression Potential]
+
+ The patch is already in place in Debian & Xenial and late Ubuntu release
+ version. A test package has been tested by a user experiencing the
+ problem and user confirms it solve the issue.
+
+ This patch make the description field larger to satisfy all possible
+ pids and file descriptor values.
+
+ [Other Info]
+
+ Upstream Commit:
+
+ 0766a3ca Increase the length of description field
+
https://github.com/ClusterLabs/libqb/commit/0766a3ca5473a9e126e91022075b4b3798b8d5bc
+
+ Note : The commit has been introduced first in upstream branch : v0.17.2
+
+ [Original Description]
+
It has been brought to my attention by a user the following :
Pacemaker fails to start if its PID is greater than 99999, then it
reports a Library error as follow :
notice: mcp_read_config: Configured corosync to accept connections from
group 124: Library error (2)"
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https://bugs.launchpad.net/bugs/1595627
Title:
Pacemaker fails to start and reports a Library Error
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