Date: Mon, 7 Jan 2013 20:53:51 -0500 From: Chris Ross <cross+freebsd@distal.com> To: Marius Strobl <marius@alchemy.franken.de> Cc: freebsd-sparc64@freebsd.org, avg@freebsd.org, Kurt Lidl <lidl@pix.net> Subject: Re: Changes to kern.geom.debugflags? Message-ID: <D3EE961A-D099-4CA9-9B2B-B69E171B95F1@distal.com> In-Reply-To: <BD3E2E30-457F-4D8A-8057-3ECED966419F@distal.com> References: <7AA0B5D0-D49C-4D5A-8FA0-AA57C091C040@distal.com> <6A0C1005-F328-4C4C-BB83-CA463BD85127@distal.com> <20121225232507.GA47735@alchemy.franken.de> <8D01A854-97D9-4F1F-906A-7AB59BF8850B@distal.com> <A947C892-5379-4F70-BFA0-0A7AB94DF0C6@distal.com> <6FC4189B-85FA-466F-AA00-C660E9C16367@distal.com> <20121230032403.GA29164@pix.net> <56B28B8A-2284-421D-A666-A21F995C7640@distal.com> <EEB60849-3192-46E2-8626-EC6824182515@distal.com> <20130104234616.GA37999@alchemy.franken.de> <BD3E2E30-457F-4D8A-8057-3ECED966419F@distal.com>
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On Jan 7, 2013, at 17:41 , Chris Ross <cross+freebsd@distal.com> wrote:
> Okay. I've completed this search. SVN rev 242228 works, boots up, =
the first call
> to dnode_read() (in sys/boot/zfs/zfsimpl.c) (well, "first" call after =
the console is initialized)
> shows (due to a printf I added) :
>=20
> dnode_read(): offset 512, bsize 16384, dn_datablkszsec 32
>=20
> I notice in all of the many following calls that bsize is always 512 =
or 16384, and
> dn_datablkszsec is sometimes as small as 1, or as large as 68, but =
always non-zero.
>=20
> SVN revision 242230 fails in the same way the head of stable/9 does. =
The first output
> I see from my printf in dnode_read() is (and the following trap):
>=20
> dnode_read(): offset 512, bsize 0, dn_datablkszsec 0
> ERROR: Last Trap: Division by Zero
>=20
> I didn't test 242229,. but could if needed, because both 242229 and =
242230 were
> ZFS changes in the boot code, and by the same person.
Out of curiosity, I did try 242229. It boots. So. the problem =
occurred with 242230, which=20
came from 241289. FYI.
- Chris
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