* H. Peter Anvin <hpa at zytor.com> wrote: > On 01/26/2011 06:00 AM, Ingo Molnar wrote: > > > >I mean, use the warm reset vector to truly reset the box. > > > >Then, once a stable known-good kernel boots, *that* kernel can then recover all the > >log data which is sitting in a well-known place in RAM, automatically and > >transparently. > > > >Basically a bit like kexec, just more convenient and it also goes through the BIOS > >warm reset, so it might work better than kexec ... > > > > The problem is that the BIOS will often wipe memory. Yes - but at least a long time ago there used to be modi of reboot when the BIOS did not do this. Whether that's possible at all with modern BIOSen is a big question ... Thanks, Ingo