Lucinda, I am having good success with the MPC850. Our board is able to run without MMU problems, and shutting down is not a problem. We are using a kernel leveraged from 2.2.5, so it is a bit older, and I think some of the MMU code has changed since them.
Daris Nevil SiSIC Inc/SNMC www.snmc.com Lucinda Schafer wrote: > I agree. I believe we ARE dealing with a kernel bug, and it is particular to > the MPC823. > > Let's hear some success stories--embedded units in production, running in > the field for days, shutting down power and rebooting with no kernel panics. > That may help convince me we are dealing with a hardware issue. > > Lucinda Schafer > Staff Software Engineer > Adaptive Micro-Ware, Inc. > > -----Original Message----- > From: Patrick Lerda [mailto:Lerda at microprocess.com] > Sent: Thursday, June 22, 2000 2:01 AM > To: 'Dan Malek'; Nguyen Xuan Hoang > Cc: linuxppc-embedded at lists.linuxppc.org > Subject: RE: MMU problems? > > Have you tried to do complex operation on a 8xx board like compiling the > kernel. This operation > works well on a PPC740 board, but on a 8xx after a long time the kernel goes > in an unstable > state. Theses bugs are related to the 8xx MMU code. > > Patrick LERDA > > > -----Message d'origine----- > > De: Dan Malek [SMTP:dan at netx4.com] > > Date: jeudi 22 juin 2000 05:56 > > ?: Nguyen Xuan Hoang > > Cc: linuxppc-embedded at lists.linuxppc.org > > Objet: Re: MMU problems? > > > > > > Nguyen Xuan Hoang wrote: > > > > > I have seen a lot of discussions about MMU on MPC823, > > > > > > There are no MMU or cache related problems on any of the MPC8xx > > processors and stable versions of Linux. These are just people > > discussing the challenges of building custom boards and making > > source code changes. > > > > There are dozens of people shipping products with Linux running on > > these processors. You seldom hear from people that are happy and > > successful. > > > > > > -- Dan > > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
