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编号 | 项目 | 分类 | 查看权限 | 报告日期 | 最后更新 |
---|---|---|---|---|---|
0000579 | Anolis OS 8 | kernel | public | 2021-11-26 16:48 | 2021-12-10 14:39 |
报告员 | wb-wpp899309 | 分派给 | yunqi-zwt | ||
优先级 | normal | 严重性 | minor | 出现频率 | always |
状态 | assigned | 处理状况 | open | ||
平台 | aarch64 | 操作系统 | Anolis OS | 操作系统版本 | 8 |
标题 | 0000579: [Anolis OS 8.2][4.19.91-25.an8] [aarch64]kdump服务正常,echo c触发异常后,系统不能生成vmcore | ||||
描述 | [缺陷描述]: kdump服务正常,echo c触发异常后,系统不能生成vmcore crashkernl配置: BOOT_IMAGE=(hd1,gpt2)/boot/vmlinuz-4.19.91-25.an8.aarch64 root=UUID=f36fe3a1-f820-4f84-9e04-b9ea5a0440c8 ro console=tty0 console=ttyS0,115200 crashkernel=0M-2G:0M,2G-8G:192M,8G-:256M # cat /proc/iomem |grep "Crash kernel" 50000000-5fffffff : Crash kernel crash,kexec-tools信息: # rpm -qa |grep -E "crash|kexec-tools" crash-7.2.9-2.an8.aarch64 kexec-tools-2.0.21-1.2.an8.aarch64 kdump配置文件: # cat /etc/kdump.conf ext4 /dev/sda2 path /var/crash core_collector makedumpfile -c --message-level 1 -d 31 extra_modules mpt2sas mpt3sas megaraid_sas hpsa ahci default reboot [重现概率] 必现 [重现环境] 机型:物理机 TPF52M1B1 内核信息: # uname -r 4.19.91-25.an8.aarch64 操作系统信息: # cat /etc/os-release NAME="Anolis OS" VERSION="8.2" ID="anolis" ID_LIKE="rhel fedora centos" VERSION_ID="8.2" PLATFORM_ID="platform:an8" PRETTY_NAME="Anolis OS 8.2" ANSI_COLOR="0;31" HOME_URL="https://openanolis.org/" cpu信息: # lscpu Architecture: aarch64 Byte Order: Little Endian CPU(s): 96 On-line CPU(s) list: 0-95 Thread(s) per core: 1 Core(s) per socket: 48 Socket(s): 2 NUMA node(s): 1 Vendor ID: 0x48 Model: 0 Stepping: 0x1 CPU max MHz: 2600.0000 CPU min MHz: 200.0000 BogoMIPS: 200.00 L1d cache: 64K L1i cache: 64K L2 cache: 512K L3 cache: 49152K NUMA node0 CPU(s): 0-95 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma dcpop asimddp asimdfhm 内存信息: # free -h total used free shared buff/cache available Mem: 755Gi 3.4Gi 751Gi 10Mi 327Mi 749Gi Swap: 2.0Gi 0B 2.0Gi [期望结果]: 触发异常后,系统能正常启动,有vmcore产生,并且可正常解析vmcore [实际结果]: 触发异常后,系统未生成vmcore | ||||
问题重现步骤 | [重现步骤]: 1、安装依赖包 yum -y install crash kexec-tools systemctl restart kdump 需要安装配套的kernel-debuginfo和kernel-debuginfo-common包 2、配置参数值 echo 1 > /proc/sys/kernel/panic echo 1 > /proc/sys/kernel/hardlockup_panic echo 1 > /proc/sys/kernel/softlockup_panic echo 50 > /proc/sys/kernel/watchdog_thresh echo 1200 > /proc/sys/kernel/hung_task_timeout_secs echo 0 > /proc/sys/kernel/hung_task_panic 3、触发异常 echo c >/proc/sysrq-trigger 4、检查系统是否正常启动,是否有vmcore生成 5、检查crash解析vmcore是否正常 | ||||
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日期 | 用户名 | 字段 | 更改 |
---|---|---|---|
2021-11-26 16:48 | wb-wpp899309 | 新建问题 | |
2021-12-10 14:39 | jacobwang | 分派给 | => yunqi-zwt |
2021-12-10 14:39 | jacobwang | 状态 | 新建 => 已分配 |