On Tue, Jun 11, 2013 at 6:45 PM, Yinghai Lu <yinghai at kernel.org> wrote: > On Tue, Jun 11, 2013 at 3:54 PM, Cliff Wickman <cpw at sgi.com> wrote: >> >> I'm getting a hang when trying to enter a high-memory crash kernel, >> and I'm at a loss as to how to debug this. >> >> This is a 3.10.0-rc3 kernel, and set up as the crash kernel by kexec 2.0.4. >> The machine is an SGI UV1000. > > what is your mem size? also can you post your /proc/iomem in first kernel?