Hi, well, gdb and crash help,
(gdb) target netbsd.30.core Undefined target command: "netbsd.30.core". Try "help target". but crash helped! here: disc$ crash -M netbsd.30.core Crash version 9.99.50, image version 9.99.50. System panicked: kernel diagnostic assertion "pmap->pm_stats.resident_count == PDP_SIZE" failed: file "/usr/src/sys/arch/x86/x86/pmap.c", line 2936 pmap 0xfffffef0745bca00 not empty Backtrace from time of crash is available. crash> bt _KERNEL_OPT_NARCNET() at 0 ?() at fffffef0745bca00 kern_reboot() at kern_reboot+0x7c vpanic() at vpanic+0x14f kern_assert() at kern_assert+0x48 pmap_remove_all() at pmap_remove_all+0x311 uvmspace_free() at uvmspace_free+0x3f exit1() at exit1+0x1b8 sys_exit() at sys_exit+0x3d syscall() at syscall+0x288 --- syscall (number 1) --- 7b61af1905ea: did I went out of memory and it was handled with a panic???