Environment :SUSE Linux Enterprise 11 Service Pack 1
Scenario:
The system crashes with an up time of around 209 daysThe issue happens under the following conditions:CPU vendor is Intel/proc/cpuinfo contains both of the following CPU flags:constant_tscnonstop_tscdmesg and/or /var/log/boot.msg does not contain the stringMarking TSC unstablekernel flavor is not xenOnly if all four conditions are met the system is affected.
The freeze/crash can happen anytime after 208 days uptime. It cannot happen before the system reaches 208 days uptime.
Resolution :
For critical production systems that cannot update their kernel version, we currently recommend a cold reboot before the system reaches 208 days uptime.A fix for this issue has been released since kernel version 2.6.32.59-0.7.1. We always recommend to install the latest version of the kernel.