59bf36c3a7
from reading crashinfo output, which could contain some sensitive information. Reviewed by: jhb MFC after: 1 week
316 lines
7.4 KiB
Bash
Executable File
316 lines
7.4 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2008 Yahoo!, Inc.
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# 3. Neither the name of the author nor the names of any co-contributors
|
|
# may be used to endorse or promote products derived from this software
|
|
# without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
# $FreeBSD$
|
|
|
|
usage()
|
|
{
|
|
echo "usage: crashinfo [-d crashdir] [-n dumpnr] [-k kernel] [core]"
|
|
exit 1
|
|
}
|
|
|
|
find_kernel()
|
|
{
|
|
local ivers k kvers
|
|
|
|
ivers=$(awk '
|
|
/Version String/ {
|
|
print
|
|
nextline=1
|
|
next
|
|
}
|
|
// {
|
|
if (nextline) {
|
|
print
|
|
nextline=0
|
|
}
|
|
}' $INFO)
|
|
|
|
# Look for a matching kernel version.
|
|
for k in /boot/kernel/kernel $(ls -t /boot/*/kernel); do
|
|
kvers=$(echo 'printf " Version String: %s", version' | \
|
|
gdb -x /dev/stdin -batch $k 2>/dev/null)
|
|
if [ "$ivers" = "$kvers" ]; then
|
|
KERNEL=$k
|
|
break
|
|
fi
|
|
done
|
|
}
|
|
|
|
CRASHDIR=/var/crash
|
|
DUMPNR=
|
|
KERNEL=
|
|
|
|
while getopts "d:n:k:" opt; do
|
|
case "$opt" in
|
|
d)
|
|
CRASHDIR=$OPTARG
|
|
;;
|
|
n)
|
|
DUMPNR=$OPTARG
|
|
;;
|
|
k)
|
|
KERNEL=$OPTARG
|
|
;;
|
|
\?)
|
|
usage
|
|
;;
|
|
esac
|
|
done
|
|
|
|
shift $((OPTIND - 1))
|
|
|
|
if [ $# -eq 1 ]; then
|
|
if [ -n "$DUMPNR" ]; then
|
|
echo "-n and an explicit vmcore are mutually exclusive"
|
|
usage
|
|
fi
|
|
|
|
# Figure out the crash directory and number from the vmcore name.
|
|
CRASHDIR=`dirname $1`
|
|
DUMPNR=$(expr $(basename $1) : 'vmcore\.\([0-9]*\)$')
|
|
if [ -z "$DUMPNR" ]; then
|
|
echo "Unable to determine dump number from vmcore file $1."
|
|
exit 1
|
|
fi
|
|
elif [ $# -gt 1 ]; then
|
|
usage
|
|
else
|
|
# If we don't have an explicit dump number, operate on the most
|
|
# recent dump.
|
|
if [ -z "$DUMPNR" ]; then
|
|
if ! [ -r $CRASHDIR/bounds ]; then
|
|
echo "No crash dumps in $CRASHDIR."
|
|
exit 1
|
|
fi
|
|
next=`cat $CRASHDIR/bounds`
|
|
if [ -z "$next" ] || [ "$next" -eq 0 ]; then
|
|
echo "No crash dumps in $CRASHDIR."
|
|
exit 1
|
|
fi
|
|
DUMPNR=$(($next - 1))
|
|
fi
|
|
fi
|
|
|
|
VMCORE=$CRASHDIR/vmcore.$DUMPNR
|
|
INFO=$CRASHDIR/info.$DUMPNR
|
|
FILE=$CRASHDIR/core.txt.$DUMPNR
|
|
HOSTNAME=`hostname`
|
|
|
|
if [ ! -e $VMCORE ]; then
|
|
echo "$VMCORE not found"
|
|
exit 1
|
|
fi
|
|
|
|
if [ ! -e $INFO ]; then
|
|
echo "$INFO not found"
|
|
exit 1
|
|
fi
|
|
|
|
# If the user didn't specify a kernel, then try to find one.
|
|
if [ -z "$KERNEL" ]; then
|
|
find_kernel
|
|
if [ -z "$KERNEL" ]; then
|
|
echo "Unable to find matching kernel for $VMCORE"
|
|
exit 1
|
|
fi
|
|
elif [ ! -e $KERNEL ]; then
|
|
echo "$KERNEL not found"
|
|
exit 1
|
|
fi
|
|
|
|
echo "Writing crash summary to $FILE."
|
|
|
|
umask 077
|
|
|
|
# Simulate uname
|
|
ostype=$(echo -e printf '"%s", ostype' | gdb -x /dev/stdin -batch $KERNEL)
|
|
osrelease=$(echo -e printf '"%s", osrelease' | gdb -x /dev/stdin -batch $KERNEL)
|
|
version=$(echo -e printf '"%s", version' | gdb -x /dev/stdin -batch $KERNEL | \
|
|
tr '\t\n' ' ')
|
|
machine=$(echo -e printf '"%s", machine' | gdb -x /dev/stdin -batch $KERNEL)
|
|
|
|
exec > $FILE 2>&1
|
|
|
|
echo "$HOSTNAME dumped core - see $VMCORE"
|
|
echo
|
|
date
|
|
echo
|
|
echo "$ostype $HOSTNAME $osrelease $version $machine"
|
|
echo
|
|
sed -ne '/^ Panic String: /{s//panic: /;p;}' $INFO
|
|
echo
|
|
|
|
# XXX: /bin/sh on 7.0+ is broken so we can't simply pipe the commands to
|
|
# kgdb via stdin and have to use a temporary file instead.
|
|
file=`mktemp /tmp/crashinfo.XXXXXX`
|
|
if [ $? -eq 0 ]; then
|
|
echo "bt" >> $file
|
|
echo "quit" >> $file
|
|
kgdb $KERNEL $VMCORE < $file
|
|
rm -f $file
|
|
echo
|
|
fi
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "ps -axl"
|
|
echo
|
|
ps -M $VMCORE -N $KERNEL -axl
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "vmstat -s"
|
|
echo
|
|
vmstat -M $VMCORE -N $KERNEL -s
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "vmstat -m"
|
|
echo
|
|
vmstat -M $VMCORE -N $KERNEL -m
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "vmstat -z"
|
|
echo
|
|
vmstat -M $VMCORE -N $KERNEL -z
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "vmstat -i"
|
|
echo
|
|
vmstat -M $VMCORE -N $KERNEL -i
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "pstat -T"
|
|
echo
|
|
pstat -M $VMCORE -N $KERNEL -T
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "pstat -s"
|
|
echo
|
|
pstat -M $VMCORE -N $KERNEL -s
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "iostat"
|
|
echo
|
|
iostat -M $VMCORE -N $KERNEL
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "ipcs -a"
|
|
echo
|
|
ipcs -C $VMCORE -N $KERNEL -a
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "ipcs -T"
|
|
echo
|
|
ipcs -C $VMCORE -N $KERNEL -T
|
|
echo
|
|
|
|
# XXX: This doesn't actually work in 5.x+
|
|
if false; then
|
|
echo "------------------------------------------------------------------------"
|
|
echo "w -dn"
|
|
echo
|
|
w -M $VMCORE -N $KERNEL -dn
|
|
echo
|
|
fi
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "nfsstat"
|
|
echo
|
|
nfsstat -M $VMCORE -N $KERNEL
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "netstat -s"
|
|
echo
|
|
netstat -M $VMCORE -N $KERNEL -s
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "netstat -m"
|
|
echo
|
|
netstat -M $VMCORE -N $KERNEL -m
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "netstat -id"
|
|
echo
|
|
netstat -M $VMCORE -N $KERNEL -id
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "netstat -anr"
|
|
echo
|
|
netstat -M $VMCORE -N $KERNEL -anr
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "netstat -anA"
|
|
echo
|
|
netstat -M $VMCORE -N $KERNEL -anA
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "netstat -aL"
|
|
echo
|
|
netstat -M $VMCORE -N $KERNEL -aL
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "fstat"
|
|
echo
|
|
fstat -M $VMCORE -N $KERNEL
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "dmesg"
|
|
echo
|
|
dmesg -a -M $VMCORE -N $KERNEL
|
|
echo
|
|
|
|
echo "------------------------------------------------------------------------"
|
|
echo "kernel config"
|
|
echo
|
|
config -x $KERNEL
|
|
|
|
echo
|
|
echo "------------------------------------------------------------------------"
|
|
echo "ddb capture buffer"
|
|
echo
|
|
|
|
ddb capture -M $VMCORE -N $KERNEL print
|