Christos Zoulas wrote: > That means that either cpu_dump or the next function returned ENXIO. > The code is very careful to dump only on partitions that are marked as > swap and on devices it knows about to avoid accidents. Dumping on > "software" devices is very dangerous since typically when you are dumping > you've probably corrupted memory already.
There is a risk even with hardware devices but it's smaller because less software is involved. Dumping to cgd is a quite important usecase and perhaps we should make an exception. Would it help to RO protect some data structures like private keys? Alex