55c32119bf
create a symbolic link /dev/dumpdev designating that device so savecore can find and save a previous kernel dump.
58 lines
923 B
Bash
58 lines
923 B
Bash
#!/bin/sh
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#
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# $FreeBSD$
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#
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# PROVIDE: dumpon
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# REQUIRE: initrandom
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# BEFORE: disks savecore
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# KEYWORD: nojail
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. /etc/rc.subr
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name="dumpon"
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start_cmd="dumpon_start"
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stop_cmd="dumpon_stop"
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dumpon_start()
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{
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# Enable dumpdev so that savecore can see it. Enable it
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# early so a crash early in the boot process can be caught.
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#
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case ${dumpdev} in
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[Nn][Oo] | '')
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;;
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[Aa][Uu][Tt][Oo])
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while read dev mp type more ; do
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[ "${type}" = "swap" ] || continue
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[ -c "${dev}" ] || continue
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if /sbin/dumpon -v "${dev}" 2>/dev/null; then
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# Make a symlink in devfs for savecore
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ln -s ${dev} /dev/dumpdev
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return 0
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fi
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done </etc/fstab
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echo "No suitable dump device was found." 1>&2
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return 1
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;;
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*)
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/sbin/dumpon -v ${dumpdev}
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;;
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esac
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}
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dumpon_stop()
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{
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case ${dumpdev} in
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[Nn][Oo] | '')
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;;
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*)
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rm -f /dev/dumpdev
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/sbin/dumpon -v off
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;;
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esac
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}
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load_rc_config $name
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run_rc_command "$1"
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