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Date:      Wed, 15 Dec 2010 10:15:40 +0200
From:      Andrei Kolu <antik@bsd.ee>
To:        Pawel Jakub Dawidek <pjd@freebsd.org>, freebsd-current@freebsd.org, freebsd-fs@freebsd.org
Subject:   Re: Next ZFSv28 patchset ready for testing.
Message-ID:  <AANLkTimds6gLxqSRhr7_WPzQXTjqqME63O0Aw5FK=G3p@mail.gmail.com>
In-Reply-To: <20101213231208.GK2038@garage.freebsd.pl>
References:  <20101213214556.GC2038@garage.freebsd.pl> <20101213231208.GK2038@garage.freebsd.pl>

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2010/12/14 Pawel Jakub Dawidek <pjd@freebsd.org>
>
> On Mon, Dec 13, 2010 at 10:45:56PM +0100, Pawel Jakub Dawidek wrote:
> > Hi.
> >
> > The new patchset is ready for testing:
> >
> > =A0 =A0 =A0 http://people.freebsd.org/~pjd/patches/zfs_20101212.patch.b=
z2
>
> You can also download the whole source tree already patched from here:
>
> =A0 =A0 =A0 =A0http://people.freebsd.org/~pjd/zfs_20101212.tbz
>

# uname -a
FreeBSD freebsd9.raidon.eu 9.0-CURRENT FreeBSD 9.0-CURRENT #0: Tue Dec
14 14:37:01 EET 2010
root@freebsd9.raidon.eu:/usr/obj/usr/src/sys/GENERIC  amd64

Create files filled with zeroes:
# mkfile 512m disk1 disk2 disk3 disk4
#=A0zpool create andmed raidz /home/antik/disk{1,2,3,4}
# zpool status andmed
  pool: andmed
 state: ONLINE
 scan: none requested
config:

        NAME                   STATE     READ WRITE CKSUM
        andmed                 ONLINE       0     0     0
          raidz1-0             ONLINE       0     0     0
            /home/antik/disk1  ONLINE       0     0     0
            /home/antik/disk2  ONLINE       0     0     0
            /home/antik/disk3  ONLINE       0     0     0
            /home/antik/disk4  ONLINE       0     0     0

errors: No known data errors

Now let's try to scrub:
# zpool scrub andmed

Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0x1fb8007b
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff812967d2
stack pointer =3D 0x20:0xffffff80ee605548
frame pointer =3D 0x28:0xffffff80ee605730
code segment =3D base 0x0, limit 0xfffff, type 0x1b
 =3D DPL 0, pres1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 2081 (initial thread)
[ thread pid 2081 tid 100121 ]
Stopped at  vdev_file_open+0x92:  testb  $0x20,0x7b(%rax)


Similar problem on FreeBSD 8.1:
http://www.freebsd.org/cgi/query-pr.cgi?pr=3D153126



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