# Mysql service died throwing an instance of 'std::system\_error'

**URL:** <https://forums.percona.com/t/mysql-service-died-throwing-an-instance-of-std-system-error/33298>\
**Category:** Percona XtraDB Cluster 8.x\
**Created:** [September 23, 2024, 2:03pm UTC](https://forums.percona.com/t/mysql-service-died-throwing-an-instance-of-std-system-error/33298 "2024-09-23T14:03:52Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![tdiallo](https://avatars.discourse-cdn.com/v4/letter/t/90ced4/32.png) [@tdiallo](https://forums.percona.com/u/tdiallo)\
**Post date:** [September 23, 2024, 2:03pm UTC](https://forums.percona.com/t/mysql-service-died-throwing-an-instance-of-std-system-error/33298/1 "2024-09-23T14:03:52Z")

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OS: redhat 4.18.0-553.16.1.el8\_10.x86\_64  
Server Version: 8.0.32-24.1 Percona XtraDB Cluster (GPL), Release rel24, Revision 793b5d9, WSREP version 26.1.4.3, wsrep\_26.1.4.3

Mysqld service is randomly dying in my 6-node cluster

2024-09-22T01:10:18.227292Z 0 [Warning] [MY-000000] [Galera] Failed to accept: remote\_endpoint: Transport endpoint is not connected  
terminate called after throwing an instance of ‘std::system\_error’  
what(): remote\_endpoint: Transport endpoint is not connected  
2024-09-22T01:10:18.228679Z 0 [Note] [MY-000000] [WSREP] Initiating SST cancellation  
2024-09-22T01:10:18Z UTC - mysqld got signal 6 ;  
Most likely, you have hit a bug, but this error can also be caused by malfunctioning hardware.  
BuildID[sha1]=136738db1dcd9ed3572498f6d70c1fba058a5749  
Server Version: 8.0.32-24.1 Percona XtraDB Cluster (GPL), Release rel24, Revision 793b5d9, WSREP version 26.1.4.3, wsrep\_26.1.4.3

Thread pointer: 0x0  
Attempting backtrace. You can use the following information to find out  
where mysqld died. If you see no messages after this, something went  
terribly wrong…  
stack\_bottom = 0 thread\_stack 0x100000  
/usr/sbin/mysqld(my\_print\_stacktrace(unsigned char const\*, unsigned long)+0x41) [0x2253a11]  
/usr/sbin/mysqld(print\_fatal\_signal(int)+0x39f) [0x1262d0f]  
/usr/sbin/mysqld(handle\_fatal\_signal+0xd8) [0x1262df8]  
/lib64/libpthread.so.0(+0x12d20) [0x7f1cd7acad20]  
/lib64/libc.so.6(gsignal+0x10f) [0x7f1cd5e6752f]  
/lib64/libc.so.6(abort+0x127) [0x7f1cd5e3ae65]  
/lib64/libstdc++.so.6(+0x9009b) [0x7f1cd681909b]  
/lib64/libstdc++.so.6(+0x9654c) [0x7f1cd681f54c]  
/lib64/libstdc++.so.6(+0x965a7) [0x7f1cd681f5a7]  
/lib64/libstdc++.so.6(+0x96808) [0x7f1cd681f808]  
/usr/lib64/galera4/libgalera\_smm.so(+0x922cf) [0x7f1cc90082cf]  
/usr/lib64/galera4/libgalera\_smm.so(+0x92d7c) [0x7f1cc9008d7c]  
/usr/lib64/galera4/libgalera\_smm.so(+0xa6885) [0x7f1cc901c885]  
/usr/lib64/galera4/libgalera\_smm.so(+0xb3c98) [0x7f1cc9029c98]  
/usr/lib64/galera4/libgalera\_smm.so(+0x8e400) [0x7f1cc9004400]  
/usr/lib64/galera4/libgalera\_smm.so(+0x8e6b3) [0x7f1cc90046b3]

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<div class="post-metadata">

**Author:** ![matthewb](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/matthewb/32/34_2.png) [@matthewb](https://forums.percona.com/u/matthewb)\
**Post date:** [September 25, 2024, 12:11am UTC](https://forums.percona.com/t/mysql-service-died-throwing-an-instance-of-std-system-error/33298/2 "2024-09-25T00:11:09Z")

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> [@tdiallo](#):
>
> Mysqld service is randomly dying in my 6-node cluster

This is inadvisable. You should use 5 or 7 nodes. 6 nodes can lead to split brain issues which will halt the whole cluster.

There is not much given above. Are you starting this node? What else is in the error log? Please give much more details about what you are doing and what is happening.