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From: "Vladimir B. Grebenschikov" <vova@sw.ru>
To: Robert Watson <rwatson@freebsd.org>
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Organization: SWsoft Inc.
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Date: Wed, 15 Oct 2003 19:08:24 +0400
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cc: freebsd-fs@freebsd.org
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Subject: Re: fsck_ufs -B lockup any writes on filesystem
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=F7 =D3=D2, 15.10.2003, =D7 17:31, Robert Watson =D0=C9=DB=C5=D4:
> On Wed, 15 Oct 2003, Vladimir B. Grebenschikov wrote:
>=20
> > After unclean shutdown, system boots and work properly. After some time
> > any processes triing to write was blocked in suspfs state.  fsck_ufs
> > process was blocked in suspwt state.=20
>=20
> I reported an identical set of symptoms over the weekend to Kirk and Jeff=
,
> and a fix was committed as src/sys/kerne/vfs_bio.c:1.412.  A missing writ=
e
> lock release in buffer cache locking work would leave the disk suspended
> for writes, and the result is a file system deadlock just as you describe=
.=20
> Could you check and see which version of vfs_bio.c you're running with --
> if it's the earlier version, try updating?  If it's the newer version,
> please let me know.  Here's the commit message:=20
>=20
> Date: Mon, 13 Oct 2003 17:38:35 -0700 (PDT)
> From: Jeff Roberson <jeff@FreeBSD.org>
> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
> Subject: cvs commit: src/sys/kern vfs_bio.c
> =20
> jeff        2003/10/13 17:38:35 PDT
> =20
>   FreeBSD src repository
> =20
>   Modified files:
>     sys/kern             vfs_bio.c
>   Log:
>    - Add a mising vn_finished_write()
> =20
>   Pointy hat:     jeff
>   Found by:       robert
>   Obtained from:  kirk
> =20
>   Revision  Changes    Path
>   1.412     +1 -0      src/sys/kern/vfs_bio.c

I have old version 1.409.

% cvs status sys/kern/vfs_bio.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
File: vfs_bio.c         Status: Needs Patch

   Working revision:   1.409    Mon Oct  6 11:35:04 2003
   Repository revision: 1.412   /ext/ncvs/src/sys/kern/vfs_bio.c,v

I will upgrade.

--=20
Vladimir B. Grebenschikov <vova@sw.ru>
SWsoft Inc.