From owner-freebsd-fs@FreeBSD.ORG Thu Aug 29 03:50:01 2013 Return-Path: Delivered-To: freebsd-fs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id D346EDE1 for ; Thu, 29 Aug 2013 03:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id A588E2EFC for ; Thu, 29 Aug 2013 03:50:01 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r7T3o1Gt000669 for ; Thu, 29 Aug 2013 03:50:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r7T3o1rd000668; Thu, 29 Aug 2013 03:50:01 GMT (envelope-from gnats) Date: Thu, 29 Aug 2013 03:50:01 GMT Message-Id: <201308290350.r7T3o1rd000668@freefall.freebsd.org> To: freebsd-fs@FreeBSD.org Cc: From: Brent Welch Subject: Re: kern/122380: [ffs] ffs_valloc:dup alloc (Soekris 4801/7.0/USB Flash mem) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: Brent Welch List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2013 03:50:01 -0000 The following reply was made to PR kern/122380; it has been noted by GNATS. From: Brent Welch To: bug-followup@FreeBSD.org, freebsd-current-panic@t-b-o-h.net Cc: Subject: Re: kern/122380: [ffs] ffs_valloc:dup alloc (Soekris 4801/7.0/USB Flash mem) Date: Wed, 28 Aug 2013 20:45:22 -0700 --e89a8ff1ceb6858c3a04e50defdd Content-Type: text/plain; charset=ISO-8859-1 I'm hitting this frequently on 9.1, freshly installed from the ISO image. I have many ffs partitions (40) and am running a simple load generation script against each mount point. The load generator just does a random collection of create, read, write, hardlink, trunc, delete from a script. There is only a single application thread running against each mount point, but there are 40 processes running against 40 different mount points. This has happened both after a hard crash + FSCK, and fairly soon after a newfs. 36 of the devices are SAS drives. 4 are SATA SSD. I'm not sure which mount point is involved, yet. Brent Welch welch@acm.org --e89a8ff1ceb6858c3a04e50defdd Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
I'm hitting this frequently on 9.1, freshly installed = from the ISO image. =A0I have many ffs partitions (40)
and am running a= simple load generation script against each mount point. =A0The load genera= tor just
does a random collection of create, read, write, hardlink, trunc, dele= te from a script.

There is only a single applicati= on thread running against each mount point, but there are 40 processes
running against 40 different mount points. =A0This has happened both a= fter a hard crash + FSCK, and
fairly soon after a newfs.

36 of the devices are SAS drives. =A04 are SATA SSD. =A0I&= #39;m not sure which mount point is involved, yet.

Brent Welch
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