redhat 7.9 Linux中，terminal为什么被kill关闭？

各位大佬，近期发现部分用户打开的多个terminal隔一段时间被关闭，服务器重启后也存在这个问题，仅一个服务器存在这个情况，内存检测正常，通过konsole命令打开的terminal不会被kill，/var/log/messages关于gnome桌面被kill的log如下（下面的log随机选择的与terminal被killed的log）：
abrt-hook-ccpp: Process 86846 (gnome-terminal-server) of user 1020 killed by SIGBUS - dumping core
abrt-hook-ccpp: Process 15361 (gnome-shell) of user 1016 killed by SIGBUS - dumping core
abrt-hook-ccpp: Process 42635 (gnome-shell) of user 1012 killed by SIGBUS - ignoring (repeated crash)
abrt-hook-ccpp: Process 53582 (gsd-housekeeping) of user 1016 killed by SIGBUS - dumping core
abrt-hook-ccpp: Process 74170 (gsd-color) of user 1016 killed by SIGBUS - dumping core
abrt-hook-ccpp: Process 22495 (nautilus-desktop) of user 1000 killed by SIGBUS - dumping core

一段相对完整的log：
Mar 6 03:19:56 hpc02 abrt-hook-ccpp: Process 74170 (gsd-color) of user 1016 killed by SIGBUS - dumping core
Mar 6 03:19:56 hpc02 gnome-session: gnome-session-binary[98048]: WARNING: Child process 74170 was already dead.
Mar 6 03:19:56 hpc02 gnome-session-binary[98048]: WARNING: Child process 74170 was already dead.
Mar 6 03:19:56 hpc02 gnome-session-binary[98048]: WARNING: Application 'org.gnome.SettingsDaemon.Color.desktop' killed by signal 7
Mar 6 03:19:56 hpc02 gnome-session: gnome-session-binary[98048]: WARNING: Application 'org.gnome.SettingsDaemon.Color.desktop' killed by signal 7
Mar 6 03:20:00 hpc02 abrt-hook-ccpp: Process 97225 (gnome-shell) of user 1000 killed by SIGBUS - dumping core
Mar 6 03:20:00 hpc02 abrt-hook-ccpp: Process 91432 (gnome-shell) of user 1002 killed by SIGBUS - ignoring (repeated crash)
Mar 6 03:20:00 hpc02 abrt-hook-ccpp: Process 76051 (gnome-shell) of user 1016 killed by SIGBUS - ignoring (repeated crash)


麻烦大佬指教下这个问题发生的原因，应该如何解决，谢谢。