Date: Wed, 19 Nov 2008 16:10:35 -0800 From: Marcel Moolenaar <xcllnt@mac.com> To: Weongyo Jeong <weongyo.jeong@gmail.com> Cc: freebsd-ppc@freebsd.org Subject: Re: my problem using iBook G4 Message-ID: <DFECE878-F9DF-4556-9839-2D528EC88C3B@mac.com> In-Reply-To: <20081115080915.GA61939@freebsd.weongyo.org> References: <20081114121224.GG36226@freebsd.weongyo.org> <491D964E.1080401@freebsd.org> <491D986E.5020701@freebsd.org> <20081115080915.GA61939@freebsd.weongyo.org>
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On Nov 15, 2008, at 12:09 AM, Weongyo Jeong wrote: > On Fri, Nov 14, 2008 at 09:25:34AM -0600, Nathan Whitehorn wrote: >> Nathan Whitehorn wrote: >>> Weongyo Jeong wrote: >>>> Hello, >>>> >>>> I have a iBook G4 laptop but it has a problem when booting like as >>>> follows: >>>> >>>> http://weongyo.org/project/freebsd/images/20081114.jpg >>>> >>>> My booting steps are: >>>> >>>> 1. press <option>+<apple>+O+F >>>> 2. 0 > boot cd:,\boot\loader hd:7 >>>> 3. then a panic during booting progress >>>> >>>> There's no problem to boot if I set `OK set hw.ata.atapi_dma=0'. >>>> Is it a >>>> known issue? >>> >>> Well, Marcel has seen something similar with his CD drive, but I was >>> hoping it was limited to his machine. If you are in a situation >>> where >>> you can easily apply patches, could you try the attached one and >>> report >>> what it prints for the firmware timing register? Marcel, could you >>> try >>> this too? >> >> Naturally, I forgot the patch. It lives at >> http://people.freebsd.org/~nwhitehorn/ata.debug.diff, and should be >> applied to ata_kauai.c. Thanks! > > The below is the result written by my hand but expect the value is > correct. > > ata1: <Intrepid Kauai ATA Controller> mem ~~~~~~~ irq 39 at device > 13.0 > on pci2 > ata1: Firmware configured PIO register: 0x6149246 > ata1: Firmware configured UDMA register: 0x2921 Same here: ata1: <Intrepid Kauai ATA Controller> mem 0xf5004000-0xf5007fff \ irq 39 at device 13.0 on pci2 ata1: Firmware configured PIO register: 0x6149246 ata1: Firmware configured UDMA register: 0x2921 FYI, -- Marcel Moolenaar xcllnt@mac.com
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