From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: To: Juergen Braukmann Cc: parisc list Subject: Re: [parisc-linux] C110, kernel Panics, still more tears ;-( In-Reply-To: Message from Juergen Braukmann of "Fri, 19 Jul 2002 18:08:09 +0200." <3D383969.1657EF43@ruhr-west.de> References: <3D383969.1657EF43@ruhr-west.de> Date: Sat, 20 Jul 2002 09:29:19 -0600 From: Grant Grundler Message-Id: <20020720152919.9D690483D@dsl2.external.hp.com> 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: Juergen Braukmann wrote: > Hi Grant and all, > > still more tears. I compiled and replaced the kernel, using 2.4.18pa55. > I used the setting of ccio_mem_ratio=16, but still my kernel panics with > Kernel panic: ccio-dma.c ccio_alloc_range() I/O MMU is out of mapping > resources. > In interrupt handler - not syncing Sorry - my bad - I think I have it backwards. Using a smaller value will result in more IOMMU resource. > would there be more chance with the ccio_mem_ratio setting of 8? Or 2 or 1 even. > there a way to use more than one Kernel alternativly and select it at > boottime with palo? Is there an example palo.conf somewhere? Yes. Interrupt the boot process before palo is loaded and then type "Y" to "Interact with IPL (Y/N/Q)?" question. You can then specify which vmlinux to boot. grant