3 # Copyright (c) 2008 Yahoo!, Inc.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
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.
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
34 echo "usage: crashinfo [-d crashdir] [-n dumpnr] [-k kernel] [core]"
38 # Run a single gdb command against a kernel file in batch mode.
39 # The kernel file is specified as the first argument and the command
40 # is given in the remaining arguments.
47 if [ -x /usr/local/bin/gdb ]; then
48 /usr/local/bin/gdb -batch -ex "$@" $k
50 echo -e "$@" | /usr/bin/gdb -x /dev/stdin -batch $k
65 if ($0 ~ "^ [A-Za-z ]+: ") {
72 # Look for a matching kernel version, handling possible truncation
73 # of the version string recovered from the dump.
74 for k in `sysctl -n kern.bootfile` $(ls -t /boot/*/kernel); do
75 kvers=$(gdb_command $k 'printf " Version String: %s", version' | \
76 awk "{line=line\$0\"\n\"} END{print substr(line,1,${#ivers})}" \
78 if [ "$ivers" = "$kvers" ]; then
89 while getopts "d:n:k:" opt; do
106 shift $((OPTIND - 1))
108 if [ $# -eq 1 ]; then
109 if [ -n "$DUMPNR" ]; then
110 echo "-n and an explicit vmcore are mutually exclusive"
114 # Figure out the crash directory and number from the vmcore name.
115 CRASHDIR=`dirname $1`
116 DUMPNR=$(expr $(basename $1) : 'vmcore\.\([0-9]*\)$')
117 if [ -z "$DUMPNR" ]; then
118 echo "Unable to determine dump number from vmcore file $1."
121 elif [ $# -gt 1 ]; then
124 # If we don't have an explicit dump number, operate on the most
126 if [ -z "$DUMPNR" ]; then
127 if ! [ -r $CRASHDIR/bounds ]; then
128 echo "No crash dumps in $CRASHDIR."
131 next=`cat $CRASHDIR/bounds`
132 if [ -z "$next" ] || [ "$next" -eq 0 ]; then
133 echo "No crash dumps in $CRASHDIR."
136 DUMPNR=$(($next - 1))
140 VMCORE=$CRASHDIR/vmcore.$DUMPNR
141 INFO=$CRASHDIR/info.$DUMPNR
142 FILE=$CRASHDIR/core.txt.$DUMPNR
145 if [ ! -e $VMCORE ]; then
146 echo "$VMCORE not found"
150 if [ ! -e $INFO ]; then
151 echo "$INFO not found"
155 # If the user didn't specify a kernel, then try to find one.
156 if [ -z "$KERNEL" ]; then
158 if [ -z "$KERNEL" ]; then
159 echo "Unable to find matching kernel for $VMCORE"
162 elif [ ! -e $KERNEL ]; then
163 echo "$KERNEL not found"
167 echo "Writing crash summary to $FILE."
172 ostype=$(gdb_command $KERNEL 'printf "%s", ostype')
173 osrelease=$(gdb_command $KERNEL 'printf "%s", osrelease')
174 version=$(gdb_command $KERNEL 'printf "%s", version' | tr '\t\n' ' ')
175 machine=$(gdb_command $KERNEL 'printf "%s", machine')
179 echo "$HOSTNAME dumped core - see $VMCORE"
183 echo "$ostype $HOSTNAME $osrelease $version $machine"
185 sed -ne '/^ Panic String: /{s//panic: /;p;}' $INFO
188 # XXX: /bin/sh on 7.0+ is broken so we can't simply pipe the commands to
189 # kgdb via stdin and have to use a temporary file instead.
190 file=`mktemp /tmp/crashinfo.XXXXXX`
191 if [ $? -eq 0 ]; then
194 if [ -x /usr/local/bin/kgdb ]; then
195 /usr/local/bin/kgdb $KERNEL $VMCORE < $file
197 kgdb $KERNEL $VMCORE < $file
204 echo "------------------------------------------------------------------------"
207 ps -M $VMCORE -N $KERNEL -axlww
210 echo "------------------------------------------------------------------------"
213 vmstat -M $VMCORE -N $KERNEL -s
216 echo "------------------------------------------------------------------------"
219 vmstat -M $VMCORE -N $KERNEL -m
222 echo "------------------------------------------------------------------------"
225 vmstat -M $VMCORE -N $KERNEL -z
228 echo "------------------------------------------------------------------------"
231 vmstat -M $VMCORE -N $KERNEL -i
234 echo "------------------------------------------------------------------------"
237 pstat -M $VMCORE -N $KERNEL -T
240 echo "------------------------------------------------------------------------"
243 pstat -M $VMCORE -N $KERNEL -s
246 echo "------------------------------------------------------------------------"
249 iostat -M $VMCORE -N $KERNEL
252 echo "------------------------------------------------------------------------"
255 ipcs -C $VMCORE -N $KERNEL -a
258 echo "------------------------------------------------------------------------"
261 ipcs -C $VMCORE -N $KERNEL -T
264 # XXX: This doesn't actually work in 5.x+
266 echo "------------------------------------------------------------------------"
269 w -M $VMCORE -N $KERNEL -dn
273 echo "------------------------------------------------------------------------"
276 nfsstat -M $VMCORE -N $KERNEL
279 echo "------------------------------------------------------------------------"
282 netstat -M $VMCORE -N $KERNEL -s
285 echo "------------------------------------------------------------------------"
288 netstat -M $VMCORE -N $KERNEL -m
291 echo "------------------------------------------------------------------------"
294 netstat -M $VMCORE -N $KERNEL -anA
297 echo "------------------------------------------------------------------------"
300 netstat -M $VMCORE -N $KERNEL -aL
303 echo "------------------------------------------------------------------------"
306 fstat -M $VMCORE -N $KERNEL
309 echo "------------------------------------------------------------------------"
312 dmesg -a -M $VMCORE -N $KERNEL
315 echo "------------------------------------------------------------------------"
321 echo "------------------------------------------------------------------------"
322 echo "ddb capture buffer"
325 ddb capture -M $VMCORE -N $KERNEL print