Date: Fri, 14 Nov 2008 09:16:30 -0600 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Weongyo Jeong <weongyo.jeong@gmail.com> Cc: freebsd-ppc@freebsd.org Subject: Re: my problem using iBook G4 Message-ID: <491D964E.1080401@freebsd.org> In-Reply-To: <20081114121224.GG36226@freebsd.weongyo.org> References: <20081114121224.GG36226@freebsd.weongyo.org>
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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? What confuses me here is that I have exactly the same hardware (2005 G4 iBook with Fujitsu hard drive) and it works fine. > I'd like to print a backtrace of DDB but no ways because the keyboard > (normally it works perfectly after successful booting) didn't worked. > Moreover the USB keyboard also didn't worked. Are there any methods in > this case? (I'd also like to get a coredump file for kgdb) > > The kernel and world updated yesterday. If you have an x86 FreeBSD machine and a Firewire cable, I'd recommend using dcons(4). -Nathan
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