From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from beavis.ybsoft.com (bradetich.net [209.161.7.161]) by dsl2.external.hp.com (Postfix) with ESMTP id 6A1DF486C for ; Wed, 17 Jul 2002 17:53:04 -0600 (MDT) Subject: Re: [parisc-linux] Kernel panic, ccio-dma.c, C110 From: Ryan Bradetich To: Grant Grundler Cc: Juergen Braukmann , parisc list In-Reply-To: <20020717181459.CCD8E48CF@dsl2.external.hp.com> References: <3D35925D.71683E92@ruhr-west.de> <20020717181459.CCD8E48CF@dsl2.external.hp.com> Content-Type: text/plain Date: 17 Jul 2002 17:53:00 -0600 Message-Id: <1026949980.10285.4.camel@beavis> Mime-Version: 1.0 Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: Grant, Is there a way to make this more intelligent now that we have an I/O tree? Maybe driverfs in 2.5.X will help us figure out how to make it smarter ... it kinda sucks to recompile the kernel because you do not have enough memory for our default setting of 4. Seems like we could develop a huristic based on devices below the iommus. Just a thought.. - Ryan On Wed, 2002-07-17 at 12:14, Grant Grundler wrote: > Juergen Braukmann wrote: > > Kernel panic: ccio-dma.c ccio_alloc_range() I/O MMU is out of mapping > > resources. > > Sorry Joel, this has nothing to do with SCSI termination. > > Juergen, > In arch/parisc/kernel/ccio-dma.c, change ccio_mem_ratio from 4 to 8 or 16. > For more explanation, search for "Determine IOVA Space size" in ccio-dma.c. > > grant > _______________________________________________ > parisc-linux mailing list > parisc-linux@lists.parisc-linux.org > http://lists.parisc-linux.org/mailman/listinfo/parisc-linux >