From owner-freebsd-ppc@freebsd.org Mon Mar 6 10:05:47 2017 Return-Path: Delivered-To: freebsd-ppc@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D1A56CFADF9 for ; Mon, 6 Mar 2017 10:05:47 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: from asp.reflexion.net (outbound-mail-211-197.reflexion.net [208.70.211.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 81688199F for ; Mon, 6 Mar 2017 10:05:46 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: (qmail 9416 invoked from network); 6 Mar 2017 10:05:40 -0000 Received: from unknown (HELO mail-cs-02.app.dca.reflexion.local) (10.81.19.2) by 0 (rfx-qmail) with SMTP; 6 Mar 2017 10:05:40 -0000 Received: by mail-cs-02.app.dca.reflexion.local (Reflexion email security v8.30.2) with SMTP; Mon, 06 Mar 2017 05:05:40 -0500 (EST) Received: (qmail 16533 invoked from network); 6 Mar 2017 10:05:40 -0000 Received: from unknown (HELO iron2.pdx.net) (69.64.224.71) by 0 (rfx-qmail) with (AES256-SHA encrypted) SMTP; 6 Mar 2017 10:05:40 -0000 Received: from [192.168.1.111] (c-67-170-167-181.hsd1.or.comcast.net [67.170.167.181]) by iron2.pdx.net (Postfix) with ESMTPSA id B8057EC7B46; Mon, 6 Mar 2017 02:05:39 -0800 (PST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) Subject: Re: powerpc64 head -r314687 (PowerMac G5 so-called "Quad Core", clang based): CAM status: Command timeout (always?) From: Mark Millard In-Reply-To: <98A62E0D-C2A0-40B1-AE6D-5810906208AE@dsl-only.net> Date: Mon, 6 Mar 2017 02:05:39 -0800 Cc: Justin Hibbits , Nathan Whitehorn Content-Transfer-Encoding: 7bit Message-Id: <4C78F6AA-5ABD-4445-B5EF-4E6778CE36FE@dsl-only.net> References: <98A62E0D-C2A0-40B1-AE6D-5810906208AE@dsl-only.net> To: markj@FreeBSD.org, FreeBSD PowerPC ML X-Mailer: Apple Mail (2.3259) X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Mar 2017 10:05:47 -0000 On 2017-Mar-6, at 1:37 AM, Mark Millard wrote: > When I tried to jump from head -r314479 to -r314687 the -r314687 kernel > the result failed by always(?) getting: > > CAM status: Command timeout > > for: > > ATAPI_IDENTIFY > INQUIRY > DSM TRIM > READ_DMA48 > SETFEATURES ENABLE RCACHE > WRITE_DMA48 > etc. > > at: > > ada0:ata2:0:0:0 > aprobe0:ata0:0:0:0 > > Booting with the older -r314479 works fine (same -r314687 world). > > [FYI: It is a ufs context.] > > > The only thing that looks likely to me for > the change in behavior is. . . > > Author: markj > Date: Fri Mar 3 20:51:57 2017 > New Revision: 314624 > URL: > https://svnweb.freebsd.org/changeset/base/314624 > > > Log: > Reject userland CCBs that have CAM_UNLOCKED set. > > CAM_UNLOCKED is internal flag and cannot correctly be set by userland. > Return EINVAL from CAMIOCOMMAND and CAMIOQUEUE if it is set. > > Also fix leaks in some of the error paths for CAMIOQUEUE. > > PR: 215356 > Reviewed by: ken, mav > MFC after: 1 week > Differential Revision: > https://reviews.freebsd.org/D9869 > > > Modified: > head/sys/cam/cam_xpt.c > head/sys/cam/scsi/scsi_pass.c > > > > [This may just mean that it exposes other problems.] Yep: reverting the two files allowed the PowerMac G5 so-called "Quad Core" to boot fully and I could log in. It appears that if such powerpc64 machines are to stay bootable then other things need to be cleaned up before the two updated files from -r314624 should be used. Should the 2 files be reverted until other things are cleaned up? === Mark Millard markmi at dsl-only.net