Date: Sat, 27 Jun 2009 13:15:51 -0400 From: Jonathan <jonathan@kc8onw.net> To: Norikatsu Shigemura <nork@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: GPT boot with ZFS RAIDZ "ZFS: i/o error - all block copies unavailable" Message-ID: <4A4653C7.8050705@kc8onw.net> In-Reply-To: <20090627134926.c6267822.nork@FreeBSD.org> References: <4A44427E.3040309@kc8onw.net> <20090627134926.c6267822.nork@FreeBSD.org>
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On 6/27/2009 12:49 AM, Norikatsu Shigemura wrote: > Hi Jonathan. > > On Thu, 25 Jun 2009 23:37:34 -0400 > Jonathan<jonathan@kc8onw.net> wrote: >> I currently seem to be having 2 issues. One is that I get several >> screenfulls of "error 1 lba xxx" with numbers like 4292179434 and >> 4292179446. Similar errors were reported here >> http://lists.freebsd.org/pipermail/freebsd-fs/2008-December/005511.html >> but I did not find anything in that thread that worked for me. The >> error message itself comes from here >> http://svn.freebsd.org/viewvc/base/head/sys/boot/i386/gptboot/gptboot.c?revision=181436&view=markup > > I don't have any idea. > >> The loader then proceeds to load the kernel, opensolaris, and zfs >> modules. Right before the displaying the loader menu it shows the >> message "ZFS: i/o error - all block copies unavailable" which comes from >> here >> http://svn.freebsd.org/viewvc/base/head/sys/boot/zfs/zfsimpl.c?revision=192194&view=markup > > I confirmed this issue on my environment. I was analyzing it. > So I understood that gptzfsboot/loader doesn't support gang > block. As the result, gptzfsboot doesn't read gang-blocked > loader or kernel, loader doesn't read gang-blocked kernel or > modules by "ZFS: i/o error - all block copies unavailable". > > I'm trying to implement gang-block support, but I done checksum > code. I'm trying to implement 'read gang block' code. But I > cannot find 'read gang block' code on zfs, yet. So now analyzing > phase.... I tried your patch (it needed a few tweaks to make it compile) but I still have the same errors as before. Jonathan
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