The DIVIDED_BY_ZERO bug is randomly triggered in the kernel after the SUSE11SP1 OS is continuously running for more than 208 days. The following provides the link of bugs at the SUSE official website:
The server host must meet the following requirements:
CPUs are provided by Intel.
The CPU flags in /proc/cpuinfo contain constant_tsc and nonstop_tsc fields.
The dmesg and /var/log/boot.msg do not contain Marking TSC unstable.