Published at LXer:
A recent patch posted to the lkml aimed to make it possible to use both kdb and kdump at the same time, and instead led to an interesting discussion about RAS (Reliability, Availability, and Serviceability) tools. Vivek Goyal compared the two main philosophies, "so basically there are two kind of users. One who believes that despite the kernel [having] crashed something meaningful can be done," versus, "exec on panic, which thinks that once [the] kernel is crashed nothing meaningful can be done".
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