From owner-freebsd-fs@FreeBSD.ORG Wed Sep 2 12:50:06 2009 Return-Path: Delivered-To: freebsd-fs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CA211106568F for ; Wed, 2 Sep 2009 12:50:06 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id B8E808FC1A for ; Wed, 2 Sep 2009 12:50:06 +0000 (UTC) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n82Co6NS055001 for ; Wed, 2 Sep 2009 12:50:06 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n82Co6Kq055000; Wed, 2 Sep 2009 12:50:06 GMT (envelope-from gnats) Date: Wed, 2 Sep 2009 12:50:06 GMT Message-Id: <200909021250.n82Co6Kq055000@freefall.freebsd.org> To: freebsd-fs@FreeBSD.org From: John Baldwin Cc: Subject: Re: kern/138476: [panic] [sshfs] [fuse] Almost regular panic during VFS operations; maybe related to sshfs X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: John Baldwin List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Sep 2009 12:50:06 -0000 The following reply was made to PR kern/138476; it has been noted by GNATS. From: John Baldwin To: bug-followup@freebsd.org, stephane.rochoy@netasq.com Cc: Subject: Re: kern/138476: [panic] [sshfs] [fuse] Almost regular panic during VFS operations; maybe related to sshfs Date: Wed, 2 Sep 2009 08:33:50 -0400 Line 979 of vfs_subr.c in 7.2 is this in delmntque() 979: TAILQ_REMOVE(&mp->mnt_nvnodelist, vp, v_nmntvnodes); It looks like this is either a fuse or sshfs bug where it doesn't insert a vnode it created into the mount's vnode list and when the vnode gets recycled so it can be used by another filesystem (in this case FFS), it causes a panic. -- John Baldwin