Date: Tue, 03 Mar 2009 21:05:29 -0600 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Weongyo Jeong <weongyo@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: No mixer with Snapper Message-ID: <49ADEFF9.3010605@freebsd.org> In-Reply-To: <20090303053952.GC94580@weongyo.cdnetworks.kr> References: <20090228165533.GA1166@narn.knownspace> <b9c23c9f0903010445k32205622u6dca98b98a26e93b@mail.gmail.com> <20090301142432.GC1166@narn.knownspace> <b9c23c9f0903010813p8d1aa55nd2a3f6d94547862b@mail.gmail.com> <1235993578.13513.0.camel@horst-tla> <49ABFAC6.1000000@freebsd.org> <20090303000024.GA82725@michelle.cdnetworks.co.kr> <49AC9C72.3030307@freebsd.org> <20090303053952.GC94580@weongyo.cdnetworks.kr>
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Weongyo Jeong wrote: > On Mon, Mar 02, 2009 at 08:56:50PM -0600, Nathan Whitehorn wrote: >> Pyun YongHyeon wrote: >>> On Mon, Mar 02, 2009 at 09:27:02AM -0600, Nathan Whitehorn wrote: >>>> Horst G?nther Burkhardt III wrote: >>>>> On Sun, 2009-03-01 at 17:13 +0100, Marco Trillo wrote: >>>>>> Hi, >>>>>> >>>>>> Thanks! The problem is that an <i2c-address> property is used, while >>>>>> the OFW-I2C code only looks for <reg>. >>>>>> >>>>>> The attached patch -- to apply in /usr/src/sys -- makes the OFW-I2C >>>>>> code also look for the <i2c-address> property. With the patch, the >>>>>> mixer should attach and work fine. >>>>>> >>>>>> Regards >>>>>> Marco >>>>> Awesome, so when will we see this in -CURRENT or better yet -STABLE? ;) >>>>> >>>>> -- Horst. >>>> SVN revision 189280. MFC schedule of interesting features in -CURRENT >>>> that I had something to do with: >>>> >>>> - ATA DMA: unless I receive any bug reports, some time in the middle of >>>> this week >>> Hmm, I think there was a couple of issues of ATA DMA on iBook G4. >>> marcel@ and weongyo@ also reported instability of ATA DMA, was that >>> fixed? AFAIK weongyo@ couldn't even boot kernel. >>> See >>> http://lists.freebsd.org/pipermail/freebsd-ppc/2008-November/003372.html >>> for entire thread. >> I think it was fixed. The G4 iBook that I've acquired since those >> reports works flawlessly, and I haven't received any other reports, >> positive or negative, since my earlier attempts at fixing those bugs. If >> anyone whose machine didn't work before now does, or is still broken, or >> even if your machine has always worked fine with the DMA support, I >> would very much appreciate an email. > > Now I've updated kernel and the symptom is same with the previous that > without set hw.ata.atapi_dma=0 I couldn't boot with the following > message (written by hand): > > acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout > acd0: TIMEOUT - READ_BIG retrying (0 retries left) > > The above msg looks a kind of loop and I'll try to do disk stresstest > for reproducing hangs I encountered. Drat. That means the mode is set up wrong. I went through the Apple sources, and produced a patch that slavishly follows the exact details of the way Apple initializes the controller. It can be found here: http://people.freebsd.org/~nwhitehorn/atamodesetup.diff Could you give that a shot? Thanks, Nathan
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