Date: Wed, 18 Nov 2009 15:48:03 -0800 From: Matt Reimer <mattjreimer@gmail.com> To: Emil Smolenski <ambsd@raisa.eu.org> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Robert Noland <rnoland@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: <f383264b0911181548r3b9cce46i449e4e589148a62d@mail.gmail.com> 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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--000e0cd5a01aaa2bdf0478addf54 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On Wed, Nov 18, 2009 at 8:43 AM, 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 are= n'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... =A0It works fine for me on -CURRENT / amd64 = and >> > reports the root block pointer, which is what we need to locate the MO= S. >> >> =A0 Booting from 8.0-*-amd64-memstick.img (Fixit# console) makes "zdb -u= uu" >> happy: >> >> Fixit# zdb -uuu pgpool >> Uberblock >> >> =A0 =A0 =A0 =A0 =A0magic =3D 0000000000bab10c >> =A0 =A0 =A0 =A0 =A0version =3D 13 >> =A0 =A0 =A0 =A0 =A0txg =3D 443448 >> =A0 =A0 =A0 =A0 =A0guid_sum =3D 9780688847620645377 >> =A0 =A0 =A0 =A0 =A0timestamp =3D 1258560175 UTC =3D Wed Nov 18 16:02:55 = 2009 >> =A0 =A0 =A0 =A0 =A0rootbp =3D [L0 DMU objset] 400L/200P DVA[0]=3D<0:2200= 00de400:200> >> DVA[1]=3D<0:2a80008ee00:200> DVA[2]=3D<0:330000b9000:200> fletcher4 lzjb= LE >> contiguous birth=3D443448 fill=3D298 >> cksum=3D8a9775385:3935d6d58c7:c028430c00a8:1b58ac4ebf42ac > > Ok, the offsets are definately up there... What is your normal > installation? =A08.0 i386? Robert's on to something. It looks like your LBAs are probably overflowing 32 bits. This would affect all vdev regardless of type. Try the attached patch. Matt --000e0cd5a01aaa2bdf0478addf54 Content-Type: application/octet-stream; name="zfsboot.c.patch3" Content-Disposition: attachment; filename="zfsboot.c.patch3" Content-Transfer-Encoding: base64 X-Attachment-Id: f_g26qtvfe0 LS0tIGkzODYvemZzYm9vdC96ZnNib290LmMub3JpZwkyMDA5LTEwLTI0IDE4OjEwOjI5LjAwMDAw MDAwMCAtMDcwMAorKysgaTM4Ni96ZnNib290L3pmc2Jvb3QuYwkyMDA5LTExLTE4IDE1OjM2OjM0 LjAwMDAwMDAwMCAtMDgwMApAQCAtMTYzLDcgKzE2Myw3IEBACiBzdGF0aWMgdm9pZCBwcmludGYo Y29uc3QgY2hhciAqLC4uLik7CiBzdGF0aWMgdm9pZCBwdXRjaGFyKGludCk7CiBzdGF0aWMgdWlu dDMyX3QgbWVtc2l6ZSh2b2lkKTsKLXN0YXRpYyBpbnQgZHJ2cmVhZChzdHJ1Y3QgZHNrICosIHZv aWQgKiwgdW5zaWduZWQsIHVuc2lnbmVkKTsKK3N0YXRpYyBpbnQgZHJ2cmVhZChzdHJ1Y3QgZHNr ICosIHZvaWQgKiwgdWludDY0X3QsIHVuc2lnbmVkKTsKIHN0YXRpYyBpbnQga2V5aGl0KHVuc2ln bmVkKTsKIHN0YXRpYyBpbnQgeHB1dGMoaW50KTsKIHN0YXRpYyBpbnQgeGdldGMoaW50KTsKQEAg LTMxMCw3ICszMTEsOCBAQAogdmRldl9yZWFkKHZkZXZfdCAqdmRldiwgdm9pZCAqcHJpdiwgb2Zm X3Qgb2ZmLCB2b2lkICpidWYsIHNpemVfdCBieXRlcykKIHsKIAljaGFyICpwOwotCXVuc2lnbmVk IGludCBsYmEsIG5iOworCXVpbnQ2NF90IGxiYTsKKwl1bnNpZ25lZCBpbnQgbmI7CiAJc3RydWN0 IGRzayAqZHNrID0gKHN0cnVjdCBkc2sgKikgcHJpdjsKIAogCWlmICgob2ZmICYgKERFVl9CU0la RSAtIDEpKSB8fCAoYnl0ZXMgJiAoREVWX0JTSVpFIC0gMSkpKQpAQCAtOTQ5LDcgKzk1MSw3IEBA CiAjZW5kaWYKIAogc3RhdGljIGludAotZHJ2cmVhZChzdHJ1Y3QgZHNrICpkc2ssIHZvaWQgKmJ1 ZiwgdW5zaWduZWQgbGJhLCB1bnNpZ25lZCBuYmxrKQorZHJ2cmVhZChzdHJ1Y3QgZHNrICpkc2ss IHZvaWQgKmJ1ZiwgdWludDY0X3QgbGJhLCB1bnNpZ25lZCBuYmxrKQogewogI2lmZGVmIEdQVAog ICAgIHN0YXRpYyB1bnNpZ25lZCBjID0gMHgyZDVjN2MyZjsK --000e0cd5a01aaa2bdf0478addf54--
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