On Mon, Nov 19, 2018 at 11:31:21AM -0800, Randy Dunlap wrote: > > Yes, all of that. > Having some kind of pstore on x86 would be wonderful. > > kexec/kdump used to be an option also. I haven't tried it lately.
Sure, but kexec/kdump won't work to debug a boot failure during early boot. You need to be able to get the root file system mounted at the very least, and usually kexec/kdump doesn't get set up until the init scripts are running. Fortunately, usually only kernel developers need to debug early boot failures, and most of us can usually use serial consoles (for those of us who can't just cheat and use VM's. :-) - Ted