Date: Wed, 7 Oct 2015 09:59:47 +1100 From: Ben Woods <woodsb02@gmail.com> To: Freek Dijkstra <public@macfreek.nl> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: ZFS fatal double fault upon reboot after upgrade to 10.2 Message-ID: <CAOc73CCbfJj1qEvR9DX5y23Fdejg-iAZ9eyYD3eq_FDATHYDPw@mail.gmail.com> In-Reply-To: <561420BD.6090700@macfreek.nl> References: <561420BD.6090700@macfreek.nl>
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On Wednesday, 7 October 2015, Freek Dijkstra <public@macfreek.nl> wrote: > Hi all, > > After an upgrade from FreeBSD 10.0 to 10.2, my system no longer boots > with an error: > > Trying to mount root from zfs:zroot []... > Fatal double fault: > I think you are experiencing a known issue with FreeBSD >= 10.1 on i386 with multi-disk zfs configurations. Refer to the 2nd bullet point here: https://www.freebsd.org/releases/10.2R/errata.html#open-issues Extract: "FreeBSD/i386 10.2-RELEASE installed on ZFS may crash during boot when the ZFS pool mount is attempted while booting an unmodified GENERIC kernel. As described in /usr/src/UPDATING entry 20121223, rebuilding the kernel with options KSTACK_PAGES=4 has been observed to resolve the boot-time crash." Please refer the the above errata link to continue reading. Please also ensure you are familiar with this chapter of the handbook: https://www.freebsd.org/doc/handbook/zfs-advanced.html#zfs-advanced-i386 Regards, Ben -- -- From: Benjamin Woods woodsb02@gmail.com
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