"K.Prasad" <prasad at linux.vnet.ibm.com> writes: > There are certain types of crashes induced by faulty hardware in which > capturing crashing kernel's memory (through kdump) makes no sense (or sometimes > dangerous). > > A case in point, is unrecoverable memory errors (resulting in fatal machine > check exceptions) in which reading from the faulty memory location from the > kexec'ed kernel will cause double fault and system reset (leaving no > information for the user). It does make plenty of sense, and I capture the all of the time. It totally doesn't make sense to do this in the kernel when we can filter this from userspace just fine. Nacked-by: "Eric W. Biederman" <ebiederm at xmission.com> I thought we already had this discussion. Why is this silliness coming back? I especially dislike the notion of hardcoding policy in the kernel like this. Eric