Date: Fri, 3 Oct 2014 23:16:14 -0400 From: Glen Barber <gjb@FreeBSD.org> To: Steven Hartland <killing@multiplay.co.uk> Cc: FreeBSD Release Engineering Team <re@FreeBSD.org>, freebsd-stable@FreeBSD.org Subject: Re: Heads-up: Possible regression between 10.0-RELEASE and 10.1-BETA1 with '/ on ZFS' setup Message-ID: <20141004031614.GD1199@hub.FreeBSD.org> In-Reply-To: <64F0D761D09546C7B47DFAA1551500BE@multiplay.co.uk> References: <20141004024011.GC1199@hub.FreeBSD.org> <64F0D761D09546C7B47DFAA1551500BE@multiplay.co.uk>
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--RYJh/3oyKhIjGcML Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Oct 04, 2014 at 03:51:39AM +0100, Steven Hartland wrote: > > [...] > >A possible solution to this is to set kern.kstack_pages=3D4 via loader(8= ), > >however in my tests (solely in VirtualBox), this has been ineffective. > > >=20 > This has been a known issue on i386 since the switch to Clang see UPDATIN= G: > 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=3D4' in such configura= tions. >=20 > In my experience your millage may vary but essentially without 4 stack pa= ges > all bets are off in terms of stability. >=20 Did you read my email? Glen --RYJh/3oyKhIjGcML Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJUL2Z+AAoJEAMUWKVHj+KTVDEP/2tihkiJTXfq+VbksYXkumyf Whz116GLIp8ISsp+/VXTE6CiuZ2mdJqJ6mzN5v57nvC/AqM15FOkiW5fJ72qJOYg FbOonO/Q+7I7WaLPsXZJqDxSVmtkNWDqdLm8EGHWsgyfcsNWgGX94Pnh26ZKphIC c+O8CxrBdJkQ7HUoYwmD9fw5HASselcAPJSmuY1O6laR5kbFE9VK7Lf3w87zNeox uOrMuEyFjcG1IzKcEcIZyHbFGufySlUriJLtqkP/w0oLyU+DlELMBuhI/mPCNxQb RWerLsykAdy+Z4jGgb92J5mc75pYpC8/0Nf1kY1hMvF4R0vwjLwZsDi6gfAQfsI0 nK/55RmFEP0Qmgh13+T+jq4vJ4ODnTP1tP5h+gKItKyFHB0oe8n3DmUfviFx+ZWR 46VxeDllIh8p0440Tl7pSUDt8FUQm8oUfhpCZF5pGx+2CrkfBAXnEI1+LdNfqO6S 3FHOJedm3i6XA1tEzYtiqjqqqp2VKgHHd2GNvu4k9b3C78w8ZBaRP+a/nEnIXfLZ ut2IydNTsUkTFcfdLVgequ9KLWroSSV6Dgs8+Q9kac6L8dvmf2loCJS/wTrjHLQe nNTkyoeyefbOUlmRaGt4MM1lbUy/uvlTSPZkBuRiRgvbStt9MBP7DBi37Y958QlG wuJnu97c7bcoaxiZ4Kgb =YtcF -----END PGP SIGNATURE----- --RYJh/3oyKhIjGcML--
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