From owner-cvs-src@FreeBSD.ORG Mon Feb 11 23:52:01 2008 Return-Path: <owner-cvs-src@FreeBSD.ORG> Delivered-To: cvs-src@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 51E1516A46B; Mon, 11 Feb 2008 23:52:01 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail.speedfactory.net [66.23.216.219]) by mx1.freebsd.org (Postfix) with ESMTP id 4DE5813C447; Mon, 11 Feb 2008 23:51:59 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.8s) with ESMTP id 231629584-1834499 for multiple; Mon, 11 Feb 2008 18:52:17 -0500 Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.14.2/8.14.2) with ESMTP id m1BNpuBR053578; Mon, 11 Feb 2008 18:51:56 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin <jhb@freebsd.org> To: SXren Schmidt <sos@freebsd.org> Date: Mon, 11 Feb 2008 18:49:44 -0500 User-Agent: KMail/1.9.7 References: <200712131147.lBDBlaFi066300@repoman.freebsd.org> In-Reply-To: <200712131147.lBDBlaFi066300@repoman.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200802111849.44512.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Mon, 11 Feb 2008 18:51:56 -0500 (EST) X-Virus-Scanned: ClamAV 0.91.2/5779/Mon Feb 11 14:56:48 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/dev/ata ata-all.h ata-chipset.c ata-dma.c ata-lowlevel.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree <cvs-src.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>, <mailto:cvs-src-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/cvs-src> List-Post: <mailto:cvs-src@freebsd.org> List-Help: <mailto:cvs-src-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>, <mailto:cvs-src-request@freebsd.org?subject=subscribe> X-List-Received-Date: Mon, 11 Feb 2008 23:52:01 -0000 On Thursday 13 December 2007 06:47:36 am SXren Schmidt wrote: > sos 2007-12-13 11:47:36 UTC > > FreeBSD src repository > > Modified files: > sys/dev/ata ata-all.h ata-chipset.c ata-dma.c > ata-lowlevel.c > Log: > Implement a workaround of the datacorruption problem on serverworks HT1000 chipsets. > The HT1000 DMA engine seems to not always like 64K transfers and sometimes barfs data all over memory leading to instant chrash and burn. > Also fix 48bit adressing issues, apparently newer chips needs 16bit writes and not the usual fifo thing. > > HW donated by: Travis Mikalson at TerraNovaNet I'm not sure how best to fix it, but it seems that this broke crash dumps on the HT1000 chipset: exit1() at exit1+0x39d sys_exit() at sys_exit+0xe ia32_syscall() at ia32_syscall+0x256 Xint0x80_syscall() at Xint0x80_syscall+0x5d Uptime: 5d0h51m55s Physical memory: 4084 MB Dumping 325 MB:ata2: FAILURE - oversized DMA transfer attempt 65536 > 64512 ad4: setting up DMA failed ** DUMP FAILED (ERROR 5) ** Automatic reboot in 15 seconds - press a key on the console to abort Rebooting... cpu_reset: Restarting BSP I'm guessing that the atadev->max_iosize is still set to 64k somehow (DMA default) for the ata disk when it does the check in ad_strategy(), but I'm not sure how as for the HT1000 chipset at least ch->dma->max_iosize is set to 63k in the controller allocate routine which should be run before the child disk devices are probed and attached AFAICT. -- John Baldwin