From owner-freebsd-scsi@FreeBSD.ORG Wed Jun 22 07:40:22 2011 Return-Path: Delivered-To: freebsd-scsi@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1A4B9106570D for ; Wed, 22 Jun 2011 07:40:22 +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 E53A98FC12 for ; Wed, 22 Jun 2011 07:40:21 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p5M7eL2e050027 for ; Wed, 22 Jun 2011 07:40:21 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p5M7eL5p050026; Wed, 22 Jun 2011 07:40:21 GMT (envelope-from gnats) Date: Wed, 22 Jun 2011 07:40:21 GMT Message-Id: <201106220740.p5M7eL5p050026@freefall.freebsd.org> To: freebsd-scsi@FreeBSD.org From: Daniel Braniss Cc: Subject: Re: kern/157770: [iscsi] [panic] iscsi_initiator panic X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Daniel Braniss List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Jun 2011 07:40:22 -0000 The following reply was made to PR kern/157770; it has been noted by GNATS. From: Daniel Braniss To: bug-followup@FreeBSD.org, martin.birgmeier@aon.at Cc: Subject: Re: kern/157770: [iscsi] [panic] iscsi_initiator panic Date: Wed, 22 Jun 2011 10:12:12 +0300 There are 2 issues here, and only one causes the panic. issue 1: mismatch of negotiated values might cause hangs/panics when = trying to kill iscontrol this is in my todo list. issue 2: somehow -to be investigated- iscontrol and istgt don't = negotiate FirstBurstLength and MaxBurtsLength correctly. The workaround is either to reduce = MaxBurstLength in istgt conf, or increase it in iscsi,conf danny