Dave Anderson wrote: > Jay Lan wrote: >> >> > >> > What happens if you apply the attached patch? (it's against >> > the current 4.0-3.8 version, but should apply) >> >> Failed at different location. >> >> Thanks, >> - jay >> >> (jackhammer,157) crash vmlinuz-2.6.18-kdump vmcore >> >> crash 4.0-3.5 >> Copyright (C) 2002, 2003, 2004, 2005, 2006 Red Hat, Inc. >> Copyright (C) 2004, 2005, 2006 IBM Corporation >> Copyright (C) 1999-2006 Hewlett-Packard Co >> Copyright (C) 2005 Fujitsu Limited >> Copyright (C) 2005 NEC Corporation >> Copyright (C) 1999, 2002 Silicon Graphics, Inc. >> Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc. >> This program 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. Enter "help copying" to see the conditions. >> This program has absolutely no warranty. Enter "help warranty" for >> details. >> >> crash(26323): unaligned access to 0x60000000001bf1cc, >> ip=0x400000000026d0f0 >> crash(26323): unaligned access to 0x60000000001bf1d4, >> ip=0x400000000026d0f0 >> crash(26323): unaligned access to 0x60000000001bf1dc, >> ip=0x400000000026d0f0 >> crash(26323): unaligned access to 0x60000000001bf1e4, >> ip=0x400000000026d0f0 >> crash(26323): unaligned access to 0x60000000001bf1ec, >> ip=0x400000000026d0f0 >> 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 "ia64-unknown-linux-gnu"... >> >> crash: invalid structure member offset: zone_zone_mem_map >> FILE: memory.c LINE: 11401 FUNCTION: dump_memory_nodes() >> >> [./crash] error trace: => 4000000000231c90 >> >> 4000000000231c90: OFFSET_verify+336 >> <https://www.redhat.com/mailman/listinfo/crash-utility> >> > Ok, so what happens if you comment out these two lines > in memory.c at line 573: > > if (symbol_exists("pgdat_list") && !IS_SPARSEMEM()) > vt->flags |= NODES; By commenting out these two lines (and previous patch), the crash did come up. KERNEL: vmlinuz-2.6.18-kdump DUMPFILE: vmcore-nmi CPUS: 2 DATE: Fri Oct 20 11:20:13 2006 UPTIME: 00:11:05 LOAD AVERAGE: 0.12, 0.04, 0.01 TASKS: 67 NODENAME: pogo1 RELEASE: 2.6.18-kdump VERSION: #40 SMP Wed Oct 18 17:53:19 PDT 2006 MACHINE: ia64 (1400 Mhz) MEMORY: 1.6 GB PANIC: "" PID: 0 COMMAND: "swapper" TASK: a0000001008f4000 (1 of 4) [THREAD_INFO: a0000001008f5060] CPU: 0 STATE: TASK_RUNNING WARNING: panic task not found crash> > > Also, can you do this: > > $ gdb vmlinuz-2.6.18-kdump > ... > (gdb) ptype struct pglist_data Here it is: (gdb) ptype struct pglist_data type = struct pglist_data { struct zone node_zones[4]; struct zonelist node_zonelists[5]; int nr_zones; struct page *node_mem_map; struct bootmem_data *bdata; long unsigned int node_start_pfn; long unsigned int node_present_pages; long unsigned int node_spanned_pages; int node_id; wait_queue_head_t kswapd_wait; struct task_struct *kswapd; int kswapd_max_order; } (gdb) Thanks, - jay -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility