On Friday 12 September 2008 12:59:53 pm Bjorn Helgaas wrote: > On Thursday 11 September 2008 03:59:54 pm Lombard, David N wrote: > > On Thu, Sep 11, 2008 at 01:23:58PM -0700, Bjorn Helgaas wrote: > > > Has kexec been tested on x86 with EFI firmware? > > > > > > I'm testing it on ia64 with Tiano-based EFI firmware, and I > > > tripped over an issue with SetVirtualAddressMap(). I would > > > expect a similar problem to happen on x86, but I don't see > > > any code to deal with it. > > > > Hmmm. I run on 32- and 64-bit kernels on a 32-bit IA EFI, and > > haven't seen this problem, including chains of kexec invocations. > > > > I'll take a closer look at what's going on on my systems. Any news on this? > Thanks. In case it wasn't clear, here's my confusion about x86: > > I don't see anything in kexec-tools that touches SetVirtualAddressMap(). > And I don't see anything in Linux that prevents x86 from calling > SetVirtualAddressMap() in the new kernel. > > If we do call SetVirtualAddressMap() in the new kernel, I would > expect it to return EFI_UNSUPPORTED, which should cause Linux to > panic.
