[ClusterLabs] Pacemaker crashed and produce a coredump file

[lkxjtu]

Hi Reid Wahl,


There are more log informations below. The reason seems to be that communication with DBUS timed out. Any suggestions?


1672712 Jul 24 21:20:17 [3945305] B0610011       lrmd:     info: pcmk_dbus_timeout_dispatch:    Timeout 0x147bbd0 expired
1672713 Jul 24 21:20:17 [3945305] B0610011       lrmd:     info: pcmk_dbus_find_error:  LoadUnit error 'org.freedesktop.DBus.Error.NoReply': Did not receive a reply.         Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the n        etwork connection was broken.
1672714 Jul 24 21:20:17 [3945305] B0610011       lrmd:    error: systemd_loadunit_result:       Unexepcted DBus type, expected o in 's' instead of s
1672715 Jul 24 21:20:17 [3945305] B0610011       lrmd:    error: crm_abort:     systemd_unit_exec_with_unit: Triggered fatal assert at systemd.c:514 : unit
1672716 2020-07-24T21:20:17.701484+08:00 B0610011 lrmd[3945305]:    error: systemd_loadunit_result: Unexepcted DBus type, expected o in 's' instead of s
1672717 2020-07-24T21:20:17.701517+08:00 B0610011 lrmd[3945305]:    error: crm_abort: systemd_unit_exec_with_unit: Triggered fatal assert at systemd.c:514 : unit
1672718 Jul 24 21:20:17 [3945306] B0610011       crmd:    error: crm_ipc_read:  Connection to lrmd failed



> Hi,
>
> It looks like this is a bug that was fixed in later releases. The `path`
> variable was a null pointer when it was passed to
> `systemd_unit_exec_with_unit` as the `unit` argument. Commit 62a0d26a
> <https://github.com/ClusterLabs/pacemaker/commit/62a0d26a8f85fbcee9b56524ea3f1ae0171cbe52#diff-00b989f66499e2081134c17c06d2b359R201>
> adds a null check to the `path` variable before using it to call `systemd_unit_exec_with_unit`.
>
> I believe pacemaker-1.1.15-11.el7 is the first RHEL pacemaker release that
> contains the fix. Can you upgrade and see if the issue is resolved?
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