Date: Wed, 18 Nov 2009 17:46:06 +0100 From: "Emil Smolenski" <ambsd@raisa.eu.org> To: "Robert Noland" <rnoland@freebsd.org> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: Boot with ZFS on single disk: "ZFS: i/o error - all block copies unavailable" [was: Re: GPT boot with ZFS RAIDZ "ZFS: i/o error - all block copies unavailable"] Message-ID: <op.u3lni4ulqvde5b@am-laptop.local.org> In-Reply-To: <1258562628.2303.83.camel@balrog.2hip.net> References: <op.u3hw9wl0qvde5b@am-laptop.local.org> <1258390784.2303.42.camel@balrog.2hip.net> <op.u3h252qaqvde5b@bolt.zol> <op.u3j6m8w5qvde5b@bolt.zol> <1258497221.2303.66.camel@balrog.2hip.net> <op.u3kdq613qvde5b@bolt.zol> <1258552247.2303.75.camel@balrog.2hip.net> <op.u3llw0plqvde5b@am-laptop.local.org> <1258562628.2303.83.camel@balrog.2hip.net>
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On Wed, 18 Nov 2009 17:43:48 +0100, Robert Noland <rnoland@freebsd.org> wrote: > On Wed, 2009-11-18 at 17:11 +0100, Emil Smolenski wrote: >> On Wed, 18 Nov 2009 14:50:47 +0100, Robert Noland <rnoland@freebsd.org> >> wrote: >> >> >> >> Should I file a PR? I would >> >> >> like to help in debugging it (however my skills in low-level C >> aren't >> >> >> strong enough to do it on my own). >> >> > Ok, the first thing I would like to see is "zdb -uuu". >> >> # zdb -uuu pgpool >> >> Segmentation fault: 11 (core dumped) >> >> > Ok, this is disturbing... It works fine for me on -CURRENT / amd64 >> and >> > reports the root block pointer, which is what we need to locate the >> MOS. >> >> Booting from 8.0-*-amd64-memstick.img (Fixit# console) makes "zdb >> -uuu" >> happy: >> >> Fixit# zdb -uuu pgpool >> Uberblock >> >> magic = 0000000000bab10c >> version = 13 >> txg = 443448 >> guid_sum = 9780688847620645377 >> timestamp = 1258560175 UTC = Wed Nov 18 16:02:55 2009 >> rootbp = [L0 DMU objset] 400L/200P DVA[0]=<0:220000de400:200> >> DVA[1]=<0:2a80008ee00:200> DVA[2]=<0:330000b9000:200> fletcher4 lzjb LE >> contiguous birth=443448 fill=298 >> cksum=8a9775385:3935d6d58c7:c028430c00a8:1b58ac4ebf42ac > > Ok, the offsets are definately up there... What is your normal > installation? 8.0 i386? 7.2-STABLE, amd64. -- am
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