1#!/bin/sh 2# 3# Copyright (c) 2008 Yahoo!, Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 3. Neither the name of the author nor the names of any co-contributors 15# may be used to endorse or promote products derived from this software 16# without specific prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28# SUCH DAMAGE. 29# 30# $FreeBSD$ 31 32usage() 33{ 34 echo "usage: crashinfo [-d crashdir] [-n dumpnr] [-k kernel] [core]" 35 exit 1 36} 37 38find_kernel() 39{ 40 local ivers k kvers file 41 42 ivers=$(awk ' 43 /Version String/ { 44 print 45 nextline=1 46 next 47 } 48 // { 49 if (nextline) { 50 print 51 nextline=0 52 } 53 }' $INFO) 54 55 file=`mktemp /tmp/crashinfo.XXXXXX` 56 if [ $? -eq 0 ]; then 57 echo 'printf " Version String: %s", version' > $file 58 # Look for a matching kernel version. 59 for k in /boot/kernel/kernel $(ls -t $CRASHDIR/kern.*) $(ls -t /boot/*/kernel); do 60 kvers=$(gdb -x $file -batch $k 2>/dev/null) 61 if [ "$ivers" = "$kvers" ]; then 62 KERNEL=$k 63 KVERS=$kvers 64 break 65 fi 66 done 67 rm -f $file 68 fi 69} 70 71CRASHDIR=/var/crash 72DUMPNR= 73KERNEL= 74KVERS= 75 76while getopts "d:n:k:" opt; do 77 case "$opt" in 78 d) 79 CRASHDIR=$OPTARG 80 ;; 81 n) 82 DUMPNR=$OPTARG 83 ;; 84 k) 85 KERNEL=$OPTARG 86 ;; 87 \?) 88 usage 89 ;; 90 esac 91done 92 93shift $((OPTIND - 1)) 94 95if [ $# -eq 1 ]; then 96 if [ -n "$DUMPNR" ]; then 97 echo "-n and an explicit vmcore are mutually exclusive" 98 usage 99 fi 100 101 # Figure out the crash directory and number from the vmcore name. 102 CRASHDIR=`dirname $1` 103 DUMPNR=$(expr $(basename $1) : 'vmcore\.\([0-9]*\)$') 104 if [ -z "$DUMPNR" ]; then 105 echo "Unable to determine dump number from vmcore file $1." 106 exit 1 107 fi 108elif [ $# -gt 1 ]; then 109 usage 110else 111 # If we don't have an explicit dump number, operate on the most 112 # recent dump. 113 if [ -z "$DUMPNR" ]; then 114 if ! [ -r $CRASHDIR/bounds ]; then 115 echo "No crash dumps in $CRASHDIR." 116 exit 1 117 fi 118 next=`cat $CRASHDIR/bounds` 119 if [ -z "$next" ] || [ "$next" -eq 0 ]; then 120 echo "No crash dumps in $CRASHDIR." 121 exit 1 122 fi 123 DUMPNR=$(($next - 1)) 124 fi 125fi 126 127VMCORE=$CRASHDIR/vmcore.$DUMPNR 128INFO=$CRASHDIR/info.$DUMPNR 129FILE=$CRASHDIR/core.txt.$DUMPNR 130HOSTNAME=`hostname` 131 132if [ ! -e $VMCORE ]; then 133 echo "$VMCORE not found" 134 exit 1 135fi 136 137if [ ! -e $INFO ]; then 138 echo "$INFO not found" 139 exit 1 140fi 141 142# If the user didn't specify a kernel, then try to find one. 143if [ -z "$KERNEL" ]; then 144 find_kernel 145 if [ -z "$KERNEL" ]; then 146 echo "Unable to find matching kernel for $VMCORE" 147 exit 1 148 fi 149elif [ ! -e $KERNEL ]; then 150 echo "$KERNEL not found" 151 exit 1 152fi 153 154echo "Writing crash summary to $FILE." 155 156# Simulate uname 157#ostype=$(echo -e printf '"%s", ostype' | gdb -x /dev/stdin -batch $KERNEL) 158#osrelease=$(echo -e printf '"%s", osrelease' | gdb -x /dev/stdin -batch $KERNEL) 159#version=$(echo -e printf '"%s", version' | gdb -x /dev/stdin -batch $KERNEL | \ 160# tr '\t\n' ' ') 161#machine=$(echo -e printf '"%s", machine' | gdb -x /dev/stdin -batch $KERNEL) 162 163exec > $FILE 2>&1 164 165echo "$HOSTNAME dumped core - see $VMCORE" 166echo 167date 168echo 169#echo "$ostype $HOSTNAME $osrelease $version $machine" 170echo $KVERS 171echo 172sed -ne '/^ Panic String: /{s//panic: /;p;}' $INFO 173echo 174 175# XXX: /bin/sh on 7.0+ is broken so we can't simply pipe the commands to 176# kgdb via stdin and have to use a temporary file instead. 177file=`mktemp /tmp/crashinfo.XXXXXX` 178if [ $? -eq 0 ]; then 179 echo "bt" >> $file 180 echo "source /usr/share/misc/gdbinit" >> $file 181 echo "lstok" >> $file 182 echo "psx" >> $file 183 echo "running_threads" >> $file 184 echo "lsvfs" >> $file 185 echo "lsvfsops" >> $file 186 echo "lsmount" >> $file 187 echo "kldstat" >> $file 188 echo "quit" >> $file 189 ( ulimit -t 15; cat $file | kgdb $KERNEL $VMCORE ) 190 rm -f $file 191 echo 192fi 193echo 194 195echo "------------------------------------------------------------------------" 196echo "ps -axlwR" 197echo 198ps -M $VMCORE -N $KERNEL -axlwR 199echo 200 201echo "------------------------------------------------------------------------" 202echo "vmstat -s" 203echo 204vmstat -M $VMCORE -N $KERNEL -s 205echo 206 207echo "------------------------------------------------------------------------" 208echo "vmstat -m" 209echo 210vmstat -M $VMCORE -N $KERNEL -m 211echo 212 213echo "------------------------------------------------------------------------" 214echo "vmstat -z" 215echo 216vmstat -M $VMCORE -N $KERNEL -z 217echo 218 219echo "------------------------------------------------------------------------" 220echo "vmstat -i" 221echo 222vmstat -M $VMCORE -N $KERNEL -i 223echo 224 225echo "------------------------------------------------------------------------" 226echo "pstat -T" 227echo 228pstat -M $VMCORE -N $KERNEL -T 229echo 230 231echo "------------------------------------------------------------------------" 232echo "pstat -s" 233echo 234pstat -M $VMCORE -N $KERNEL -s 235echo 236 237#echo "------------------------------------------------------------------------" 238#echo "iostat" 239#echo 240#iostat -M $VMCORE -N $KERNEL 241#echo 242 243echo "------------------------------------------------------------------------" 244echo "ipcs -a" 245echo 246ipcs -C $VMCORE -N $KERNEL -a 247echo 248 249echo "------------------------------------------------------------------------" 250echo "ipcs -T" 251echo 252ipcs -C $VMCORE -N $KERNEL -T 253echo 254 255# XXX: This doesn't actually work in 5.x+ 256if false; then 257echo "------------------------------------------------------------------------" 258echo "w -dn" 259echo 260w -M $VMCORE -N $KERNEL -dn 261echo 262fi 263 264echo "------------------------------------------------------------------------" 265echo "nfsstat" 266echo 267nfsstat -M $VMCORE -N $KERNEL 268echo 269 270echo "------------------------------------------------------------------------" 271echo "netstat -s" 272echo 273netstat -M $VMCORE -N $KERNEL -s 274echo 275 276echo "------------------------------------------------------------------------" 277echo "netstat -m" 278echo 279netstat -M $VMCORE -N $KERNEL -m 280echo 281 282echo "------------------------------------------------------------------------" 283echo "netstat -id" 284echo 285netstat -M $VMCORE -N $KERNEL -id 286echo 287 288echo "------------------------------------------------------------------------" 289echo "netstat -anr" 290echo 291netstat -M $VMCORE -N $KERNEL -anr 292echo 293 294echo "------------------------------------------------------------------------" 295echo "netstat -anA" 296echo 297netstat -M $VMCORE -N $KERNEL -anA 298echo 299 300echo "------------------------------------------------------------------------" 301echo "netstat -aL" 302echo 303netstat -M $VMCORE -N $KERNEL -aL 304echo 305 306echo "------------------------------------------------------------------------" 307echo "fstat" 308echo 309fstat -M $VMCORE -N $KERNEL 310echo 311 312echo "------------------------------------------------------------------------" 313echo "dmesg" 314echo 315dmesg -a -M $VMCORE -N $KERNEL 316echo 317 318#echo "------------------------------------------------------------------------" 319#echo "kernel config" 320#echo 321#config -x $KERNEL 322