Date: Thu, 23 Jul 2015 23:48:06 +0000 From: Glen Barber <gjb@FreeBSD.org> To: Jason Unovitch <jason.unovitch@gmail.com> Cc: freebsd-stable@freebsd.org, holm@freibergnet.de, herbert@oslo.ath.cx Subject: Re: 10.2-Beta i386..what's wrong..? Message-ID: <20150723234805.GK84931@FreeBSD.org> In-Reply-To: <55B17B7A.4080402@gmail.com> References: <55B17B7A.4080402@gmail.com>
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--Z9t8O/5YJLB6LEUl Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 23, 2015 at 07:40:42PM -0400, Jason Unovitch wrote: > >> ..uh top quoting.. > >> > >> Trying to mount root from zfs:zroot/ROOT/default []. > >> > >> Fatal double fault: > >> eip =3D 0xc0b416f5 > >> esp =3D 0xe2673000 > >> ebp =3D 0xe2673008 > >> cpuid =3D0; apic id =3D 00 > >> panic: double fault > >> cpuid =3D 0 > >> KDB stack backtrace: > >> #0 0xc0b72832 at kdb_backtrace+0x52 > >> #1 0xc0b339cb at vpanic+0x11b > >> #2 0xc0b338ab at panic+0x1b > >> #3 0xc10556 at dblfault_handler+0xab > >> Uptime: 11s > >> .. > > > >Looks like the panic I received on my Soekris Net6501-70. > > > >Fixed in stable/10 in r285759: > >https://svnweb.freebsd.org/changeset/base/285759 > > > >Fixed in stable/9 in r285760: > >https://svnweb.freebsd.org/changeset/base/285760 > > >=20 > Herbert, in https://bugs.FreeBSD.org/201642 I had tracked down the commit > that caused the issue on our Soekris 6501s. Only between r284297 -> r285= 662 > in HEAD and between r284998 -> r285756 in stable/10 should be affected. >=20 > >>>Ok, it is 10.2-BETA so I've tried 10.1-Release next...exactly the same, > >>>ok tried 9.3-RELEASE .. the same! >=20 > Holm, if you are seeing this on 9.3-RELEASE and 10.1-RELEASE I'm not > entirely convinced the cause is the same. >=20 ZFS on i386 requires KSTACK_PAGES=3D4 in the kernel configuration to work properly, as noted in the 10.1-RELEASE errata (and release notes, if I remember correctly). We cannot set KSTACK_PAGES=3D4 in GENERIC by default, as it is too disruptive. If you are using ZFS on i386, you *must* build your own kernel for this. It is otherwise unsupported by default. Glen --Z9t8O/5YJLB6LEUl Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJVsX01AAoJEAMUWKVHj+KTaHoQAI4FNxtrhQ90SpuhtMNjCoOq R7QCE2lB7viKIeFM/Xl3SX7aUFCbkf3CT6MsEMIFCqXLq/PBOW1+7lrcqKoan/GL QthtQ1b8esgzfkwj4HJcpY0yLNKDs5cWuHgROn5Nb3K8jHDO1pk3e3Gc4NpiO8nD eZuA8+B0Y5NCsK2pHH5RsfOUc90fkhP7HC+JO4bbCQkdvTwhZCVqLQpdllcJS3/j 3EHMclqlEM6wHjXNoLbMNirzc5f0vet/f5ZakHfLaCC7rqfGBJDkUw0YQBZ2gWT/ k32xDlzqWnJaC9M8IhSr7T+WsmLI1uKF19jW3Dk7ZOdITbNUKX7H28A9OI9EPh5X G03sabEOi9MDA67OnfoLE0HD/ZD2cX3v+EKiiXtxPy1kdgWg1uXug7T13/kflcZ+ /7Ae1ezxkrH9GaQO/szCaN2+D+PubQ+iXDSFIqIbeAIux+XE+oJ1M/lU8DuAcvER mS24TrzH/ye+qoLYFrj9E+1b0k8awsQEYRNYleQ7UsUiqkvJmHYMyw4RBILeEzTu gkLx2LMMvhWi3NjXUP/7DXDReE/ubbkFEbs/K9z+/VhVqw7UfuC2RZh77XUgj6l+ FVVU6PJIEXlRUl/OiSqIMVZPovK0TsjX8jXgjUfxWWnN04U+c61xaSSr14oDKXNO NqCuywIinhqBcW7l70FU =OBB1 -----END PGP SIGNATURE----- --Z9t8O/5YJLB6LEUl--
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