Date: Tue, 23 Feb 2010 10:03:01 -0800 From: Matt Reimer <mattjreimer@gmail.com> To: John Baldwin <jhb@freebsd.org> Cc: Chris <behrnetworks@gmail.com>, freebsd-current@freebsd.org, Pegasus Mc Cleaft <ken@mthelicon.com>, Scot Hetzel <swhetzel@gmail.com> Subject: Re: Seeing the dreaded "ZFS: i/o error - all block copies unavailable" on 9.0-CURRENT Message-ID: <f383264b1002231003i51fe2bbdr155a06d10097315d@mail.gmail.com> In-Reply-To: <201002231120.54401.jhb@freebsd.org> References: <64aa03031002161803h667734cal4d668b9eb9c0a1a8@mail.gmail.com> <64aa03031002181921m2d00966cx6a3bb2c6e761970d@mail.gmail.com> <64aa03031002181938rb9355a3sae56e9d854bdcf78@mail.gmail.com> <201002231120.54401.jhb@freebsd.org>
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On Tue, Feb 23, 2010 at 8:20 AM, John Baldwin <jhb@freebsd.org> wrote: > On Thursday 18 February 2010 10:38:38 pm Chris wrote: > > > I'm seeing some difference in the bootloader output between using the > > > F12 workaround or not: > > > > > > F12 workaround mode: > > > > > > FreeBSD/i386 boot > > > Default: zroot:/boot/zfsloader > > > boot: status > > > config: > > > > > > NAME STATE > > > zroot ONLINE > > > gpt/disk0 ONLINE > > > > > > > > > No F12 key pressed: > > > > > > FreeBSD/i386 boot > > > Default: zroot:/boot/kernel/kernel > > > config: > > > > > > NAME STATE > > > zroot ONLINE > > > gpt/disk0 ONLINE > > > > > > > > > What's up with the differences between the Default boot setting? > > > > > > > Sorry for the spam but I'm seeing something else very interesting.... > > If I boot to Good Mode (F12) and break to the "boot:" prompt, the > > system boots if I type /boot/zfsloader. However, if I type > > /boot/kernel/kernel (as was seen in the Default setting when I didn't > > hit F12), I get a crash that looks like the following: > > ----------------------------------------- > > FreeBSD/i386 boot > > Default: zroot:/boot/zfsloader > > boot: /boot/kernel/kernel > > int=00000006 err=00000000 efl=00010882 eip=00200000 > > eax=0018b070 ebx=ed7706bd ecx=c72e2ca8 edx=00000000 > > esi=00000040 edi=000929d0 ebp=0009279c esp=00009401 > > cs=0008 ds=0010 es=0010 fs=0010 gs=0010 ss=0010 > > cs:eip=ff ff ff ff ff ff ff ff 7f-00 00 00 00 00 00 00 00 > > 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 > > ss:esp=36 80 0d 07 90 00 00 01-e9 c4 fc ff ff aa ac 84 > > c0 0f 84 86 00 00 00 a8-80 74 f2 88 c5 b0 3d aa > > BTX halted > > ----------------------------------------- > > I'm not sure how well we support booting a kernel from boot2 anymore, much > less from zfsboot. Using /boot/loader (or /boot/zfsloader) is probably the > only tested (and realistically supported) case. Yeah, the last time I tried this it didn't work, but I didn't hunt down why. Matt >
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