Re: fsck_ufs -B lockup any writes on filesystem

From: Vladimir B. Grebenschikov (vova_at_sw.ru)
Date: 10/15/03

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    To: Robert Watson <rwatson@freebsd.org>
Date: Wed, 15 Oct 2003 19:08:24 +0400

    В ср, 15.10.2003, в 17:31, Robert Watson пишет:
    > On Wed, 15 Oct 2003, Vladimir B. Grebenschikov wrote:
    >
    > > 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.
    >
    > 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 write
    > 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.
    > 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:
    >
    > 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
    >
    > jeff 2003/10/13 17:38:35 PDT
    >
    > FreeBSD src repository
    >
    > Modified files:
    > sys/kern vfs_bio.c
    > Log:
    > - Add a mising vn_finished_write()
    >
    > Pointy hat: jeff
    > Found by: robert
    > Obtained from: kirk
    >
    > 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
    ===================================================================
    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. 

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