Josh Giles wrote: > Hi Dave! > > I'm seeing unaligned access messages using crash on an IA64 w/~512MB. I > don't see any glaring problems with the backtraces themselves: > > crash /usr/lib/debug/lib/modules/2.6.18-1.2839.el5/vmlinux > /var/crash/2006-12-11-15\:11/vmcore > > crash 4.0-3.14 > 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(3615): unaligned access to 0x60000000001c34a4, ip=0x4000000000277420 > crash(3615): unaligned access to 0x60000000001c34ac, ip=0x4000000000277420 > crash(3615): unaligned access to 0x60000000001c34b4, ip=0x4000000000277420 > crash(3615): unaligned access to 0x60000000001c34bc, ip=0x4000000000277420 > crash(3615): unaligned access to 0x60000000001c34c4, ip=0x4000000000277420 > 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"... > > KERNEL: /usr/lib/debug/lib/modules/2.6.18-1.2839.el5/vmlinux > DUMPFILE: /var/crash/2006-12-11-15:11/vmcore > CPUS: 4 > DATE: Mon Dec 11 15:10:22 2006 > UPTIME: 13:54:59 > LOAD AVERAGE: 0.00, 0.00, 0.00 > TASKS: 104 > NODENAME: falcon.lab.boston.redhat.com > RELEASE: 2.6.18-1.2839.el5 > VERSION: #1 SMP Tue Dec 5 22:53:49 EST 2006 > MACHINE: ia64 (1495 Mhz) > MEMORY: 472.9 MB > PANIC: "SysRq : Trigger a crashdump" > PID: 2983 > COMMAND: "bash" > TASK: e000000034000000 [THREAD_INFO: e000000034001040] > CPU: 2 > CPU: 2 > STATE: TASK_RUNNING (SYSRQ) > --------------------------------------------------------------- > > I can create a bugzilla for this problem if it turns out to be a real one. > You can if you want. They are harmless. Although the crash utility does a prctl() to turn them off, these are happening while tinkering with the ELF header contents, which is before it gets a chance to do the damn prctl()... I'll whip up a test crash for you to try out. Thanks, Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility