From owner-freebsd-fs@FreeBSD.ORG  Mon Jan 10 21:42:27 2011
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Date: Mon, 10 Jan 2011 22:42:24 +0100
From: Attila Nagy <bra@fsn.hu>
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To: Martin Matuska <mm@FreeBSD.org>
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Cc: freebsd-fs@FreeBSD.org, freebsd-stable@FreeBSD.org
Subject: Re: New ZFSv28 patchset for 8-STABLE
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  On 12/16/2010 01:44 PM, Martin Matuska wrote:
> Hi everyone,
>
> following the announcement of Pawel Jakub Dawidek (pjd@FreeBSD.org) I am
> providing a ZFSv28 testing patch for 8-STABLE.
>
> Link to the patch:
>
> http://people.freebsd.org/~mm/patches/zfs/v28/stable-8-zfsv28-20101215.patch.xz
>
> Link to mfsBSD ISO files for testing (i386 and amd64):
>      http://mfsbsd.vx.sk/iso/zfs-v28/8.2-beta-zfsv28-amd64.iso
>      http://mfsbsd.vx.sk/iso/zfs-v28/8.2-beta-zfsv28-i386.iso
>
> The root password for the ISO files: "mfsroot"
> The ISO files work on real systems and in virtualbox.
> They conatin a full install of FreeBSD 8.2-PRERELEASE with ZFS v28,
> simply use the provided "zfsinstall" script.
>
> The patch is against FreeBSD 8-STABLE as of 2010-12-15.
>
> When applying the patch be sure to use correct options for patch(1)
> and make sure the file sys/cddl/compat/opensolaris/sys/sysmacros.h gets
> deleted:
>
>      # cd /usr/src
>      # fetch
> http://people.freebsd.org/~mm/patches/zfs/v28/stable-8-zfsv28-20101215.patch.xz
>      # xz -d stable-8-zfsv28-20101215.patch.xz
>      # patch -E -p0<  stable-8-zfsv28-20101215.patch
>      # rm sys/cddl/compat/opensolaris/sys/sysmacros.h
I've just got a panic:
http://people.fsn.hu/~bra/freebsd/20110101-zfsv28-fbsd/IMAGE_006.jpg

The panic line for google:
panic: solaris assert: task->ost_magic == TASKQ_MAGIC, file: 
/usr/src/sys/modules/zfs/../../cddl/compat/opensolaris/kern/opensolaris_taskq.c, 
line: 150

I hope this is enough for debugging, if it's not yet otherwise known. If 
not, I will try to catch it againt and make a dump.

Thanks,