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[Bug]: [UB][资源池化] enable_ub开启但UB SDK加载失败时，gaussdb调用空函数指针导致启动阶段CoreDump #8376
zhoucong<Okidoki>创建于 8月5日关闭于 8月18日
8月5日 添加了label：bug
opengauss_bot
8月5日 评论：
8月5日 评论：
This issue requires an assignee. Since you haven't specified one, we've assigned TestManager as the default assignee for this issue.
8月5日 将 TestManager 设为负责人
opengauss_bot8月5日 添加了label：sig/StorageEngine,sig/AI,sig/CM,sig/CloudNative,sig/SecurityTechnology,sig/SQLEngine
8月5日 添加了label：sig/StorageEngine,sig/AI,sig/CM,sig/CloudNative,sig/SecurityTechnology,sig/SQLEngine
opengauss_bot
8月5日 评论：
8月5日 评论：
Welcome To openGauss Community
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8月5日 issue优先级由 无优先级 改变为 次要
8月5日 将 congzhou2603 设为负责人
8月6日 关联了看板：openGauss 7.0.0-LTS
8月7日 移除了负责人 TestManager
8月10日 关联了pull request：调整ss_init_clog_size最小值为0
8月11日 关联了pull request：bugfix ubs_mem_path加载失败场景，数据库报错退出
zhoucong<Okidoki>
8月12日 评论：
8月12日 评论：
- om安装资源池化集群.删除安装包自带的libstdc++.so
[l30072648@node01 ~]$ ldd $GAUSSHOME/bin/gaussdb | grep c++
libstdc++.so.6 => /home/l30072648/openGauss/install/app/lib/libstdc++.so .6 (0x0000ffff66030000)
[l30072648@node01 ~]$ mv /home/l30072648/openGauss/install/app/lib/libstdc++.so. 6 /home/l30072648/openGauss/install/app/lib/libstdc++.so.6_bk
[l30072648@node01 ~]$ ldd $GAUSSHOME/bin/gaussdb | grep c++ libstdc++.so.6 => /home/l30072648/openGauss/install/om/script/gspylib/cl ib/libstdc++.so.6 (0x0000ffff4ed50000)
[l30072648@node01 ~]$ mv /home/l30072648/openGauss/install/om/script/gspylib/cli b/libstdc++.so.6 /home/l30072648/openGauss/install/om/script/gspylib/clib/libstd c++.so.6_bk
[l30072648@node01 ~]$ ssh node02
Authorized users only. All activities may be monitored and reported.
Authorized users only. All activities may be monitored and reported.
Last login: Wed Aug 12 15:32:46 2026
Welcome to 6.6.0-159.4.2.153.20260624.9e7b708a0357.oe2403sp4.aarch64
System information as of time: Wed Aug 12 03:40:03 PM CST 2026
System load: 14.17
Memory used: 41.8%
Swap used: 50.0%
Usage On: 13%
IP address: 20.20.20.75
IP address: 30.0.0.75
Users online: 6
To run a command as administrator(user "root"),use "sudo <command>".
[l30072648@node02 ~]$ ldd $GAUSSHOME/bin/gaussdb | grep libstdc++
ldd: /bin/gaussdb: No such file or directory
[l30072648@node02 ~]$ source ~/ENVFILE
[l30072648@node02 ~]$ ldd $GAUSSHOME/bin/gaussdb | grep libstdc++
libstdc++.so.6 => /home/l30072648/openGauss/install/app/lib/libstdc++.so .6 (0x0000ffff5b8f0000)
[l30072648@node02 ~]$ mv /home/l30072648/openGauss/install/app/lib/libstdc++.so. 6 /home/l30072648/openGauss/install/app/lib/libstdc++.so.6_bk
[l30072648@node02 ~]$ ldd $GAUSSHOME/bin/gaussdb | grep libstdc++ libstdc++.so.6 => /home/l30072648/openGauss/install/om/script/gspylib/cl ib/libstdc++.so.6 (0x0000ffff5f620000)
[l30072648@node02 ~]$ mv /home/l30072648/openGauss/install/app/lib/libstdc++.so. 6 /home/l30072648/openGauss/install/app/lib/libstdc++.so.6_bk^C
[l30072648@node02 ~]$ mv /home/l30072648/openGauss/install/om/script/gspylib/cli b/libstdc++.so.6 /home/l30072648/openGauss/install/om/script/gspylib/clib/libstd c++.so.6_bk
[l30072648@node02 ~]$ ldd^CGAUSSHOME/bin/gaussdb | grep libstdc++
[l30072648@node02 ~]$ exit
logout
Connection to node02 closed.
- 配置灵衢参数，重启成功
[l30072648@node01 ~]$ gs_guc reload -N all -I all -c "ubs_mem_path = '/usr/local /ubs_mem/lib/libubsm_sdk.so'"
The gs_guc run with the following arguments: [gs_guc -N all -I all -c ubs_mem_pa th = '/usr/local/ubs_mem/lib/libubsm_sdk.so' reload ].
Begin to perform the total nodes: 2.
Popen count is 2, Popen success count is 2, Popen failure count is 0.
Begin to perform gs_guc for datanodes.
Command count is 2, Command success count is 2, Command failure count is 0.
Total instances: 2. Failed instances: 0.
ALL: Success to perform gs_guc!
[l30072648@node01 ~]$ gs_guc reload -N all -I all -c "enable_ub = on"
The gs_guc run with the following arguments: [gs_guc -N all -I all -c enable_ub = on reload ].
NOTICE: Enable UB feature.
Begin to perform the total nodes: 2.
Popen count is 2, Popen success count is 2, Popen failure count is 0.
Begin to perform gs_guc for datanodes.
Command count is 2, Command success count is 2, Command failure count is 0.
Total instances: 2. Failed instances: 0.
ALL: Success to perform gs_guc!
[l30072648@node01 ~]$ gs_guc reload -N all -I all -c "ss_interconnect_type='SHM' "
The gs_guc run with the following arguments: [gs_guc -N all -I all -c ss_interco nnect_type='SHM' reload ].
Begin to perform the total nodes: 2.
Popen count is 2, Popen success count is 2, Popen failure count is 0.
Begin to perform gs_guc for datanodes.
Command count is 2, Command success count is 2, Command failure count is 0.
Total instances: 2. Failed instances: 0.
ALL: Success to perform gs_guc!
[l30072648@node01 ~]$ cm_ctl stop; cm_ctl start;
cm_ctl: stop cluster.
cm_ctl: stop nodeid: 1
cm_ctl: stop nodeid: 2
.......................
cm_ctl: stop cluster successfully.
cm_ctl: checking cluster status.
cm_ctl: checking cluster status.
cm_ctl: checking finished in 1534 ms.
cm_ctl: start cluster.
cm_ctl: start nodeid: 1
cm_ctl: start nodeid: 2
.................
cm_ctl: start cluster successfully.
- 配置不存在的ubs_mem_path，重启数据库，数据库启动失败，gaussdb未发生core dump，Dbstart打印FATAL日志。
[l30072648@node01 ~]$ gs_guc reload -N all -I all -c "ubs_mem_path = '/usr/local/ubs_mem/lib/libubsm_sdk.so11111'"
The gs_guc run with the following arguments: [gs_guc -N all -I all -c ubs_mem_pa th = '/usr/local/ubs_mem/lib/libubsm_sdk.so11111' reload ].
Begin to perform the total nodes: 2.
Popen count is 2, Popen success count is 2, Popen failure count is 0.
Begin to perform gs_guc for datanodes.
Command count is 2, Command success count is 2, Command failure count is 0.
Total instances: 2. Failed instances: 0.
ALL: Success to perform gs_guc!
[l30072648@node01 ~]$ cm_ctl stop; cm_ctl start; cm_ctl: stop cluster.
cm_ctl: stop nodeid: 1
cm_ctl: stop nodeid: 2
.........................
cm_ctl: stop cluster successfully.
cm_ctl: checking cluster status.
cm_ctl: checking cluster status.
cm_ctl: checking finished in 1551 ms.
cm_ctl: start cluster.
cm_ctl: start nodeid: 1
cm_ctl: start nodeid: 2
................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ......................................
cm_ctl: start cluster failed in (601)s!
HINT: Maybe the cluster is continually being started in the background.
You can wait for a while and check whether the cluster starts, or increase the v alue of parameter "-t", e.g -t 600.
[l30072648@node01 ~]$ ll -t /home/core | grep l300
[l30072648@node01 ~]$ cd $GAUSSLOG
[l30072648@node01 l30072648]$ ll
total 40
drwx------ 3 l30072648 l30072648 4096 Aug 12 15:36 asp_data
drwx------ 7 l30072648 l30072648 4096 Aug 12 15:43 bin
drwx------ 7 l30072648 l30072648 4096 Aug 12 15:36 cm
drwx------ 3 l30072648 l30072648 4096 Aug 12 16:33 gs_profile
drwx------ 3 l30072648 l30072648 4096 Aug 12 15:36 mem_log
drwx------ 2 l30072648 l30072648 4096 Aug 12 16:51 om
drwx------ 3 l30072648 l30072648 4096 Aug 12 15:35 pg_audit
drwx------ 6 l30072648 l30072648 4096 Aug 12 15:36 pg_log
drwx------ 3 l30072648 l30072648 4096 Aug 12 15:36 pg_perf
drwx------ 3 l30072648 l30072648 4096 Aug 12 15:36 sql_monitor
[l30072648@node01 l30072648]$ cd pg_log
[l30072648@node01 pg_log]$ ll
total 16
drwx------ 3 l30072648 l30072648 4096 Aug 12 15:36 DMS
drwx------ 2 l30072648 l30072648 4096 Aug 12 16:14 dn_6001
drwx------ 4 l30072648 l30072648 4096 Aug 12 15:35 DSS
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:36 trc
[l30072648@node01 pg_log]$ cd dn_6001/
[l30072648@node01 dn_6001]$ ll
total 280
-rw------- 1 l30072648 l30072648 8145 Aug 12 16:14 postgresql-2026-08-12_15362 3.log.gz
-rw------- 1 l30072648 l30072648 275195 Aug 12 16:33 postgresql-2026-08-12_15441 7.log
[l30072648@node01 dn_6001]$ vim postgresql-2026-08-12_15441
[l30072648@node01 dn_6001]$ cd $PGDATA
[l30072648@node01 dn]$ ll
total 5392
drwx------ 5 l30072648 l30072648 4096 Aug 12 15:35 base
-rw------- 1 l30072648 l30072648 5848 Aug 12 15:34 cacert.pem
-rw------- 1 l30072648 l30072648 9429 Aug 12 16:33 config_exec_params
-rw------- 1 l30072648 l30072648 67529 Aug 12 16:34 DBstart.log
-rw------- 1 l30072648 l30072648 277976 Aug 12 16:51 dms_control.log
-rw------- 1 l30072648 l30072648 72 Aug 12 16:34 gaussdb.state
drwx------ 3 l30072648 l30072648 4096 Aug 12 16:33 global
-rw------- 1 l30072648 l30072648 354 Aug 12 15:35 gs_gazelle.conf
-rw------- 1 l30072648 l30072648 4915200 Aug 12 15:36 gswlm_userinfo.cfg
-rw------- 1 l30072648 l30072648 21016 Aug 12 15:35 mot.conf
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:35 pg_clog
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:35 pg_csnlog
-rw------- 1 l30072648 l30072648 1024 Aug 12 15:35 pg_ctl.lock
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:35 pg_errorinfo
-rw------- 1 l30072648 l30072648 4821 Aug 12 15:36 pg_hba.conf
-rw------- 1 l30072648 l30072648 4821 Aug 12 15:36 pg_hba.conf.bak
-rw------- 1 l30072648 l30072648 1024 Aug 12 15:36 pg_hba.conf.lock
-rw------- 1 l30072648 l30072648 1636 Aug 12 15:35 pg_ident.conf
drwx------ 4 l30072648 l30072648 4096 Aug 12 15:35 pg_llog
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:35 pg_logical
drwx------ 4 l30072648 l30072648 4096 Aug 12 15:35 pg_multixact
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:44 pg_notify
-rw------- 1 l30072648 l30072648 24 Aug 12 15:44 pg_remain_segs
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:35 pg_snapshots
-rw------- 1 l30072648 l30072648 4 Aug 12 15:35 PG_VERSION
drwx------ 3 l30072648 l30072648 4096 Aug 12 15:35 pg_xlog
-rw------- 1 l30072648 l30072648 39978 Aug 12 16:33 postgresql.conf
-rw------- 1 l30072648 l30072648 39978 Aug 12 16:33 postgresql.conf.guc.bak
-rw------- 1 l30072648 l30072648 1024 Aug 12 15:35 postgresql.conf.lock
-rw------- 1 l30072648 l30072648 99 Aug 12 15:44 postmaster.opts
-rw------- 1 l30072648 l30072648 0 Aug 12 15:35 postmaster.pid.lock
-rw------- 1 l30072648 l30072648 5741 Aug 12 15:34 server.crt
-rw------- 1 l30072648 l30072648 2654 Aug 12 15:34 server.key
-rw------- 1 l30072648 l30072648 56 Aug 12 15:34 server.key.cipher
-rw------- 1 l30072648 l30072648 24 Aug 12 15:34 server.key.rand
drwx------ 2 l30072648 l30072648 4096 Aug 12 15:35 ss_pgsql_tmp
[l30072648@node01 dn]$ tail DBstart.log
0 WARNING: failed to open feature control file, please check whether it exists: FileName=gaussdb.version, Errno=2, Errmessage=No such file or directory.
0 WARNING: failed to parse feature control file: gaussdb.version.
0 WARNING: Failed to load the product control file, so gaussdb cannot distinguish product version.
2026-08-12 16:34:21.614 6a7c300d.1 [unknown] 281473434693696 [unknown] 0 dn_6001_6002 00000 0 [BACKEND] LOG: base_page_saved_interval is 400, ori is 400.
2026-08-12 16:34:21.620 6a7c300d.1 [unknown] 281473434693696 [unknown] 0 dn_6001_6002 DB010 0 [REDO] LOG: Recovery parallelism, cpu count = 308, max = 4, actual = 4
2026-08-12 16:34:21.620 6a7c300d.1 [unknown] 281473434693696 [unknown] 0 dn_6001_6002 DB010 0 [REDO] LOG: ConfigRecoveryParallelism, true_max_recovery_parallelism:4, max_recovery_parallelism:4
2026-08-12 16:34:21.622 6a7c300d.1 [unknown] 281473434693696 [unknown] 0 dn_6001_6002 00000 0 [BACKEND] LOG: loaded library "security_plugin"
2026-08-12 16:34:21.622 6a7c300d.1 [unknown] 281473434693696 [unknown] 0 dn_6001_6002 01000 0 [BACKEND] WARNING: could not create any HA TCP/IP sockets
2026-08-12 16:34:21.623 6a7c300d.1 [unknown] 281473434693696 [unknown] 0 dn_6001_6002 42809 0 [BACKEND] FATAL: load matrix mem dynamic lib error: /usr/local/ubs_mem/lib/libubsm_sdk.so11111, lib not exists
[l30072648@node01 dn]$
8月12日 issue状态由 待办的 改变为 待回归
l1azzzy
8月18日 评论：
8月18日 评论：
验收日期：2026-8-18
验收版本：7.0.0.B018
验收结论：验收通过
8月18日 issue状态由 待回归 改变为 已验收
8月18日 关闭了 issue
测试类型
存储功能
测试版本
7.0.0-RC3
问题描述
enable_ub开启但UB SDK加载失败时，gaussdb启动时调用空函数指针导致启动阶段CoreDump
操作系统和硬件信息
Linux openGauss186 6.6.0-159.4.2.153.20260624.9e7b708a0357.oe2403sp4.aarch64 #1 SMP Thu Jun 25 00:52:39 CST 2026 aarch64 aarch64 aarch64 GNU/Linux
测试环境
资源池化
被测功能
预置条件
操作步骤
触发条件
开启UB，但没有提前将 ubs_mem_path 配置为可访问的绝对路径：
默认值为相对路径：
cm_ctl stop
cm_ctl start
重启后
pg_log打印如下日志:
WARNING: load matrix mem dynamic lib error: libubsm_sdk.so, lib not exists
并反复core
cluster_state : Unavailable
185 Primary Down CoreDump
186 Standby Starting
core堆栈如下：
预期输出
实际输出
gaussdb报错退出
日志信息
gaussdb core
提单组织
内部开发
测试代码