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authorn_hibma <n_hibma@FreeBSD.org>2009-09-10 18:24:59 +0000
committern_hibma <n_hibma@FreeBSD.org>2009-09-10 18:24:59 +0000
commitae42cb47828f337b49f6d66f10bdddff30865356 (patch)
treeed96aa1f0bde59adce4a844a92a47a29f9e1f7c6 /sys/kern/kern_shutdown.c
parentbe05b1436b447ef36146259400f93cfd997b2411 (diff)
downloadFreeBSD-src-ae42cb47828f337b49f6d66f10bdddff30865356.zip
FreeBSD-src-ae42cb47828f337b49f6d66f10bdddff30865356.tar.gz
Add a comment on the consequences of reducing the poweroff delay
Diffstat (limited to 'sys/kern/kern_shutdown.c')
-rw-r--r--sys/kern/kern_shutdown.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c
index 0f3a672..6534d5c 100644
--- a/sys/kern/kern_shutdown.c
+++ b/sys/kern/kern_shutdown.c
@@ -581,6 +581,10 @@ panic(const char *fmt, ...)
/*
* Support for poweroff delay.
+ *
+ * Please note that setting this delay too short might power off your machine
+ * before the write cache on your hard disk has been flushed, leading to
+ * soft-updates inconsistencies.
*/
#ifndef POWEROFF_DELAY
# define POWEROFF_DELAY 5000
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