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Date:      Sun, 23 Dec 2012 13:04:05 +0000 (UTC)
From:      Andriy Gapon <avg@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r244629 - head
Message-ID:  <201212231304.qBND45mt097320@svn.freebsd.org>

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Author: avg
Date: Sun Dec 23 13:04:04 2012
New Revision: 244629
URL: http://svnweb.freebsd.org/changeset/base/244629

Log:
  UPDATING: add a note about the clang+zfs+i386 stack overflow issue

Modified:
  head/UPDATING

Modified: head/UPDATING
==============================================================================
--- head/UPDATING	Sun Dec 23 13:04:00 2012	(r244628)
+++ head/UPDATING	Sun Dec 23 13:04:04 2012	(r244629)
@@ -26,6 +26,11 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 10
 	disable the most expensive debugging functionality run
 	"ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20121223:
+	After switching to Clang as the default compiler some users of ZFS
+	on i386 systems started to experience stack overflow kernel panics.
+	Please consider using 'options KSTACK_PAGES=4' in such configurations.
+
 20121222:
 	GEOM_LABEL now mangles label names read from file system metadata.
 	Mangling affect labels containing spaces, non-printable characters,



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