一、故障现象2025 Apr 15 16:07:15 MDS %VSHD-3-VSHD_SYSLOG_EOL_ERR: EOL function acl_cli_show_region_info from library libacl.so exited due to Signal 112025 Apr 15 16:09:12 MDS %SYSMGR-2-LAST_CORE_BASIC_TRACE: : PID 27393 with message non-sysmgr(non-sysmgr) crashed, core will be saved .二、排错思路2.1 查看设备版本“show version”SoftwareBIOS: version 3.1.0kickstart:version 8.2(1)system:version 8.2(1)kickstart image file is: bootflash:///m9700-sf3ek9-kickstart-mz-npe.8.2.1.binsystem image file is: bootflash:///m9700-sf3ek9-mz-npe.8.2.1.bin2.2 查看cpu使用率show processes cpu history11188890105423222222233348823311 11 1111111111111111 11111 111100908070605040302010 ######## ##0....5....1....1....2....2....3....3....4....4....5....5....0 5 0 5 0 5 0 5 0 5CPU% per second (last 60 seconds)# average CPU%1 1 1 1 1187067754594368534395534749378436834371443674440654586544646100908070605040302010 ******** ** *** *** * * ** ** ** ** *** **** ** *0....5....1....1....2....2....3....3....4....4....5....5....0 5 0 5 0 5 0 5 0 5CPU% per minute (last 60 minutes)* maximum CPU% # average CPU%111111111111111 1111111111111111111 111111 111111111111111111 1111111 114033403133400009001100211001001112190100039010601321031210001900100019401009080706050403020 *10 ************************************************************************0....5....1....1....2....2....3....3....4....4....5....5....6....6....7.0 5 0 5 0 5 0 5 0 5 0 5 0CPU% per hour (last 72 hours)* maximum CPU% # average CPU%2.3 查看系统内部访问控制列表区域信息show system internal acl region-infoModule 1:Ingress TCAM:---------------------------------------Region Region Loc LocID Name Start End---------------------------------------1 Top Sys Region 0 196642 Security Region 19665 295043 Zoning Region 29505 786404 Bottom Region 78641 98304Egress TCAM:---------------------------------------Region Region Loc LocID Name Start End---------------------------------------1 Top Sys Region 0 40732 Security Region 4074 57143 Zoning Region 5715 171794 Bottom Region 17180 212525 FCC DIS Region 21253 228996 FCC ENA Region 22900 24573… …Module 18:Ingress TCAM:---------------------------------------Region Region Loc LocID Name Start End---------------------------------------1 Top Sys Region 0 196642 Security Region 19665 295043 Zoning Region 29505 786404 Bottom Region 78641 98304Egress TCAM:---------------------------------------Region Region Loc LocID Name Start End---------------------------------------1 Top Sys Region 0 40732 Security Region 4074 57143 Zoning Region 5715 171794 Bottom Region 17180 212525 FCC DIS Region 21253 228996 FCC ENA Region 22900 24573Internal error during command execution (11 8b)三、结论通过以上查询的信息得知当前设备版本为8.2(1)CPU使用率在20%以下。结合故障log日志显示内容来看符合当前在8.2(1)版本中上面的一个已知的bugBUG相关链接如下:https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvh99074该问题会在8.3(1)以上版本会修复当前并无业务影响。鉴于当前交换机版本推荐升级版本至8.4(2f)。https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/b_MDS_NX-OS_Recommended_Releases.html四、建议如果在生产环境中不方便升级则忽略此报警2. 如有版本升级计划建议更新至8.3(1)版本及以上目前推荐的版本为8.4(2f)3. 有原厂维保时建议通过收集show tech-support信息反馈至TAC由厂家二线工程师排查后进行相应处置动作4. 以上故障处置仅供参考学习。