The logic for testing UMA_ZFLAG_INTERNAL in zone_dtor() is reversed.
I was able to reliably reproduce crashes with:
mdconfig -a -t malloc -s 10m
mdconfig -d -u 0
mdconfig -a -t malloc -s 10m
mdconfig -d -u 0
Ian
Index: uma_core.c
===================================================================
RCS file: /FreeBSD/FreeBSD-CVS/src/sys/vm/uma_core.c,v
retrieving revision 1.26
diff -u -r1.26 uma_core.c
--- uma_core.c 3 Jun 2002 22:59:19 -0000 1.26
+++ uma_core.c 5 Jun 2002 01:17:27 -0000
@@ -1132,7 +1132,7 @@
printf("Zone %s was not empty. Lost %d pages of memory.\n",
zone->uz_name, zone->uz_pages);
- if ((zone->uz_flags & UMA_ZFLAG_INTERNAL) != 0)
+ if ((zone->uz_flags & UMA_ZFLAG_INTERNAL) == 0)
for (cpu = 0; cpu < maxcpu; cpu++)
CPU_LOCK_FINI(zone, cpu);
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