2 files changed, 8 insertions, 0 deletions

diff --git a/usr.sbin/acpi/acpidump/acpidump.8 b/usr.sbin/acpi/acpidump/acpidump.8
index f2b029145664..1401e387ea5a 100644
--- a/usr.sbin/acpi/acpidump/acpidump.8
+++ b/usr.sbin/acpi/acpidump/acpidump.8
@@ -145,6 +145,12 @@ Store the DSDT data block from physical memory into the specified file.
 .It Pa /dev/mem
 .El
 .Sh EXAMPLES
+If a developer requests a copy of your ASL, please use the following
+command to dump all tables and compress the result.
+.Bd -literal -offset indent
+# acpidump -dt | gzip -c9 > my_computer.asl.gz
+.Ed
+.Pp
 This example dumps the DSDT from physical memory to foo.dsdt.
 It also prints the contents of various system tables and disassembles
 the AML contained in the DSDT to stdout, redirecting the output
diff --git a/usr.sbin/acpi/acpidump/acpidump.c b/usr.sbin/acpi/acpidump/acpidump.c
index 33610386456b..a601ac261634 100644
--- a/usr.sbin/acpi/acpidump/acpidump.c
+++ b/usr.sbin/acpi/acpidump/acpidump.c
@@ -46,6 +46,8 @@ usage(const char *progname)
 
 	fprintf(stderr, "usage: %s [-d] [-t] [-h] [-v] [-f dsdt_input] "
 			"[-o dsdt_output]\n", progname);
+	fprintf(stderr, "To send ASL:\n\t%s -dt | gzip -c9 > foo.asl.gz\n",
+	    progname);
 	exit(1);
 }