Index: src/sys/dev/acpica/acpi_battery.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/acpica/acpi_battery.c,v
retrieving revision 1.23
diff -u -r1.23 acpi_battery.c
--- src/sys/dev/acpica/acpi_battery.c	10 Jun 2006 08:04:38 -0000	1.23
+++ src/sys/dev/acpica/acpi_battery.c	23 Oct 2006 15:23:16 -0000
@@ -200,6 +200,11 @@
 	    bif->lfcap = (bif->lfcap * bif->dvol) / 1000;
 	}
 
+	if (bif->lfcap < 1) {
+		printf("WARNING: bif->lfcap < 1 !!!, resetting...\n");
+		bif->lfcap = 1;
+	}
+
 	/* Calculate percent capacity remaining. */
 	bi[i].cap = (100 * bst[i].cap) / bif->lfcap;