Re: [kfreebsd] pstree -a: /proc/19/cmdline: Bad address

To: debian-bsd@lists.debian.org
Subject: Re: [kfreebsd] pstree -a: /proc/19/cmdline: Bad address
From: Benjamin Kaduk <kaduk@MIT.EDU>
Date: Fri, 17 Jun 2011 12:45:21 -0400 (EDT)
Message-id: <alpine.GSO.1.10.1106171243510.6818@multics.mit.edu>
In-reply-to: <01497CE3-7285-4211-A1BC-9BDA6185D5DA@FreeBSD.org>
References: <E1QXVCH-0004XZ-Cy@franck.debian.org> <20110610233840.GA6615@elie> <handler.630104.D630104.13083023241007.notifdone@bugs.debian.org> <20110617093624.GA24485@elie> <BANLkTinyn5do=ZgK2ttEAQCX0YqRiniqEQ@mail.gmail.com> <20110617100129.GB24485@elie> <01497CE3-7285-4211-A1BC-9BDA6185D5DA@FreeBSD.org>

On Fri, 17 Jun 2011, Edward Tomasz Napierała wrote:

Wiadomość napisana przez Jonathan Nieder w dniu 2011-06-17, o godz. 12:01:

Robert Millan wrote:

I wouldn't consider kfreebsd-9 a solution to your linprocfs
problem, it is only barely usable yet (see
http://lists.debian.org/debian-bsd/2011/06/msg00208.html)


Let's add to that list. ;-)

lock order reversal:
 1st 0xffffff803d300018 bufwait (bufwait) @ kern/vfs_bio.c:2658
 2nd 0xfffffe000257e800 dirhash (dirhash) @ ufs/ufs/ufs_dirhash.c:284


It's a false positive, IIRC.

Definitely a false positive: seehttp://ipv4.sources.zabbadoz.net/freebsd/lor.html #261 -- "cannotdeadlock" -- and the linked details.


-Ben Kaduk

Reply to:

References:
- Bug#630104: [kfreebsd] pstree -a: /proc/19/cmdline: Bad address
  - From: Jonathan Nieder <jrnieder@gmail.com>
- Bug#630104: [kfreebsd] pstree -a: /proc/19/cmdline: Bad address
  - From: Jonathan Nieder <jrnieder@gmail.com>
- Bug#630104: [kfreebsd] pstree -a: /proc/19/cmdline: Bad address
  - From: Robert Millan <rmh@debian.org>
- Re: [kfreebsd] pstree -a: /proc/19/cmdline: Bad address
  - From: Jonathan Nieder <jrnieder@gmail.com>
- Re: [kfreebsd] pstree -a: /proc/19/cmdline: Bad address
  - From: Edward Tomasz Napierała <trasz@FreeBSD.org>

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