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rasdaemon is presented as the followon to mcelog, but in accordance with current systems development practices, it's not a feature-complete replacement. mcelog
by stonogo 4y ago
rasdaemon is presented as the followon to mcelog, but in accordance with current systems development practices, it's not a feature-complete replacement. mcelog can offline bad memory pages instead of merely reporting the failure.
In addition, rasdaemon doesn't seem to have received any commits since April of last year, where mcelog appears to be under active development. Can someone help me understand the recent uptick in interest for rasdaemon, when mcelog seems to remain the superior option?
- adql 4y agoI don't get it either, what was the problem with mcelog that this is trying to solve ?
- cassianoleal 4y agoIt could be because mcelog "is not supported in kernels 4.12+" [0]. [0] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890301 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890301
- stonogo 4y agoThis looks like it; the /dev/mcelog character device has been deprecated. It looks like we'll have to either port the mcelog software to the kernel-trace interface or provide rasdaemon with a tool to offline bad memory. It's frustrating that 4.12 is five years old and this hole in functionality remains. I wonder why kernel devs don't consider userspace support for their features when swinging the deprecation axe.