Date: Sat, 08 Mar 2008 20:21:18 +0100 From: Rafal Jaworowski <raj@semihalf.com> To: Marcel Moolenaar <xcllnt@mac.com> Cc: cvs-src@FreeBSD.org, Marcel Moolenaar <marcel@FreeBSD.org>, cvs-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/powerpc/booke machdep.c Message-ID: <47D2E72E.1000107@semihalf.com> In-Reply-To: <82F5E125-8914-46CB-8522-8FA39F05DC4A@mac.com> References: <200803080536.m285aPN7047604@repoman.freebsd.org> <47D2681F.2070309@semihalf.com> <82F5E125-8914-46CB-8522-8FA39F05DC4A@mac.com>
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Marcel Moolenaar wrote: >> >> Thanks for hooking this up, Marcel; it was [far] on my list too :) > > I just wanted my kernel builds to be faster :-) > Ah, self-hosted builds you mean? Over NFS, right? (this is how we usually test this) >> BTW: currently U-Boot is broken for most of PPC variations (including >> 85xx) in >> the following way: d-cache is not being flushed before disabling and >> strange >> things happen as you imagine. For a quick workaround apply something >> like this >> when using ELF images: >> http://people.freebsd.org/~raj/patches/misc/uboot-dcache-workaround.diff > > Yup. That's what we do at Juniper. I don't see any bad effects other > than having to invalidate the cache before (re-)enabling it so I don't > have that patch applied myself... > I have seen strange things, including hangs, and also TSEC non-functional effects due to this issue... :) > The problem I'm having with U-Boot is with the TSEC driver as you've > seen on the U-Boot mailing list. I have one MPC8555CDS sitting idle > after the U-Boot upgrade because I can't netboot :-/ > Yes, I saw. Let me re-flash my 8555 with the latest image and try, but when I'm not remote i.e. Monday. Don't know if you know this tip, but there used to be a second flash bank on the MPC8555CDS that you can access while running from the boot one, so you can recover in such scenario without a h/w debugger by copying over that backup flash bank, provided you have a working image there... Rafal
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