Hi, When using the latest crash on 2.6.27.14 to analyze live memory (running crash without any option), I got a bug like below. How can I fix that? (A similar problem is also seen on 2.6.27.8) Thanks, Jun ..... GNU gdb 6.1 Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i686-pc-linux-gnu"... crash: read error: kernel virtual address: c0488200 type: "cpu_possible_map" WARNING: cannot read cpu_possible_map crash: read error: kernel virtual address: c041b428 type: "cpu_present_map" WARNING: cannot read cpu_present_map crash: read error: kernel virtual address: c041ab00 type: "cpu_online_map" WARNING: cannot read cpu_online_map crash: read error: kernel virtual address: c04b1900 type: "xtime"