On 07/19/2013 12:14 PM, Greg KH wrote: >> >>> The errors that the kexec tools seem to run into is finding the memory >>> to place the new kernel into, is that just an issue that PV guests >>> aren't given enough kernel memory in which to replicate themselves from >>> dom0? >> >> There are a lot of differences between baremetal machines and PV guests. >> For example you are not able to do identity mapping per se in PV guests. >> Arguments to new kernel are passed in completely different way. etc. > > Ok, thanks for confirming that it is possible, but doesn't currently > work for pv guests. > Also, in any virtualized environment the hypervisor can do a better job for things like kdump, simply because it can provide two things that are otherwise hard to do: 1. a known-good system state; 2. a known-clean kdump image. As such, I do encourage the virtualization people to (also) develop hypervisor-*aware* solutions for these kinds of things. -hpa _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
