From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Anderson Subject: Re: [PATCH] aic94xx: attaching to the sas transport class Date: Sun, 19 Mar 2006 21:53:45 -0800 Message-ID: <20060320055345.GA30532@us.ibm.com> References: <1141339085.3238.80.camel@mulgrave.il.steeleye.com> <1142646304.7462.36.camel@localhost.localdomain> <1142695445.3241.4.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from e31.co.us.ibm.com ([32.97.110.149]:60321 "EHLO e31.co.us.ibm.com") by vger.kernel.org with ESMTP id S1751587AbWCTFyD (ORCPT ); Mon, 20 Mar 2006 00:54:03 -0500 Received: from westrelay02.boulder.ibm.com (westrelay02.boulder.ibm.com [9.17.195.11]) by e31.co.us.ibm.com (8.12.11/8.12.11) with ESMTP id k2K5rw8J024682 for ; Mon, 20 Mar 2006 00:53:58 -0500 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by westrelay02.boulder.ibm.com (8.12.10/NCO/VER6.8) with ESMTP id k2K5p0YD236544 for ; Sun, 19 Mar 2006 22:51:00 -0700 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11/8.13.3) with ESMTP id k2K5rwvs011697 for ; Sun, 19 Mar 2006 22:53:58 -0700 Content-Disposition: inline In-Reply-To: <1142695445.3241.4.camel@mulgrave.il.steeleye.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: Alexis Bruemmer , linux-scsi , "Tarte, Robert" James Bottomley wrote: > On Fri, 2006-03-17 at 17:45 -0800, Alexis Bruemmer wrote: > > - sas_begin_event(DISCE_PORT_GONE, &port->disc.disc_event_lock, > > - &port->disc.pending); > > - > > I'm afraid we can't really do this ... what it's actually doing is > removing anything that would tamper with the infinite lifetimes (like > port removal events). What we have to do is go the other way and make > all the object lifetimes consistent. Well the reason this was removed was because we where running two cleanup operations. We are trying to make object lifetimes consistent. I was trying to make the following call stack work. In taking a look I guess we altered the functionality of sas_deform_port. I assume the comment above "all the object lifetimes consistent" is trying to get these two cases to function. pci_unregister_driver asd_pci_remove asd_unregister_sas_ha sas_unregister_ha sas_unregister_devices sas_unregister_domain_devices sas_unregister_dev sas_rphy_delete sas_unregister_ports sas_unregister_scsi_host sas_remove_host do_sas_phy_delete Currently I only have debug output for "modprobe -r aic94xx" shown below. [1009084.596267] sas_transport_init Entered [1009084.639153] sas_attach_transport Entered [1009086.362102] sas_phy_add Entered phy: c0000000f3c3c1d8 [1009086.370237] sas_phy_add Entered phy: c0000000f3c3c5f0 [1009086.372232] sas_phy_add Entered phy: c0000000f3c3ca08 [1009086.376454] sas_phy_add Entered phy: c0000000ef2bd9e8 [1009086.384611] sas_phy_add Entered phy: c0000000ef2bd5d0 [1009086.388846] sas_phy_add Entered phy: c0000000ef2bcda0 [1009086.393304] sas_phy_add Entered phy: c0000000ef2bc988 [1009086.396303] sas_phy_add Entered phy: c0000000f035f338 [1009086.401681] sas_rphy_add Entered rphy: c0000000f035e2d8 [1009086.423209] sas_rphy_add Entered rphy: c0000000efc65ae8 [1009095.405030] sas_rphy_delete Entered rphy: c0000000f035e2d8 [1009095.445964] sas_rphy_delete Entered rphy: c0000000efc65ae8 [1009095.494683] sas_remove_host Entered shost: c00000000f50a548 [1009095.494701] do_sas_phy_delete Entered phy: c0000000f3c3c1d8 [1009095.494715] sas_phy_delete Entered phy: c0000000f3c3c1d8 [1009095.501915] do_sas_phy_delete Entered phy: c0000000f3c3c5f0 [1009095.501931] sas_phy_delete Entered phy: c0000000f3c3c5f0 [1009095.503865] do_sas_phy_delete Entered phy: c0000000f3c3ca08 [1009095.503882] sas_phy_delete Entered phy: c0000000f3c3ca08 [1009095.507957] do_sas_phy_delete Entered phy: c0000000ef2bd9e8 [1009095.507973] sas_phy_delete Entered phy: c0000000ef2bd9e8 [1009095.515346] do_sas_phy_delete Entered phy: c0000000ef2bd5d0 [1009095.515365] sas_phy_delete Entered phy: c0000000ef2bd5d0 [1009095.521260] do_sas_phy_delete Entered phy: c0000000ef2bcda0 [1009095.521272] sas_phy_delete Entered phy: c0000000ef2bcda0 [1009095.536930] do_sas_phy_delete Entered phy: c0000000ef2bc988 [1009095.536946] sas_phy_delete Entered phy: c0000000ef2bc988 [1009095.542064] do_sas_phy_delete Entered phy: c0000000f035f338 [1009095.542078] sas_phy_delete Entered phy: c0000000f035f338 [1009095.599971] sas_release_transport Entered [1009095.607762] sas_transport_exit Entered -andmike -- Michael Anderson andmike@us.ibm.com