From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Christie Subject: Re: iSCSI fun in 2.6.21-rc6 Date: Wed, 18 Apr 2007 10:38:37 -0500 Message-ID: <46263B7D.5090200@cs.wisc.edu> References: <200704181622.16171.olaf.kirch@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from sabe.cs.wisc.edu ([128.105.6.20]:49082 "EHLO sabe.cs.wisc.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753329AbXDRPiw (ORCPT ); Wed, 18 Apr 2007 11:38:52 -0400 In-Reply-To: <200704181622.16171.olaf.kirch@oracle.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Olaf Kirch Cc: linux-scsi@vger.kernel.org Olaf Kirch wrote: > Hi, > > I tried to use the iSCSI initiator with iscsitarget on 2.6.21-rc6 today, > with rather mixed results. > > I could log in okay, and a device would appear. Trying to mount > that device would hang though: > > kernel: iscsi: ctask enq [read cid 0 sc df57e500 cdb 0x28 itt 0x1c len 4096 cmdsn 29 win 33] > kernel: iscsi: cmdrsp [op 0x25 cid 0 itt 0x1c len 0] > ... > kernel: iscsi: ctask enq [read cid 0 sc df57e500 cdb 0x28 itt 0x2b len 4096 cmdsn 44 win 33] > kernel: iscsi: cmdrsp [op 0x25 cid 0 itt 0x2b len 0] > kernel: kjournald starting. Commit interval 5 seconds > kernel: iscsi: ctask enq [write cid 0 sc df57e500 cdb 0x2a itt 0x2c len 4096 cmdsn 45 win 33] > > Nothing in the logs. tcpdump shows lots of data being transmitted, and tracing > iscsitarget shows a storm of data_out commands being received. > Could you send the trace? It is weird that we would get a storm of data out commands for a IO that was only 4096 bytes (assuming part of the log did not get cut off and the above line is the last one).