PowerMac G4 booting from memstick image

Mehul Sanghvi mehul.sanghvi at gmail.com
Wed Apr 21 02:45:52 UTC 2021


Thanks, that explains the behaviour I was seeing.

I just left it as it was.  So if I do end up wanting to put on NetBSD the settings are in place to do that. 




--
Sent from my "smart" phone


> On Apr 20, 2021, at 14:13, Nathan Whitehorn <nwhitehorn at freebsd.org> wrote:
> 
> FreeBSD boots like MacOS and will be auto-detected by firmware. The lazy solution is to reset OF by holding command-option-P-R at bootup and then let auto-boot go. You can also use the graphical chooser to boot FreeBSD (hold option at boot).
> 
> If you want to do it the hard way, you can boot from "hd:,\\:tbxi".
> -Nathan
> 
>> On 4/20/21 1:12 AM, Mehul Sanghvi wrote:
>> I was able to get FBSD-13 installed !
>> 
>> I did two things so am not sure which one actually worked
>> 
>> 1.  I changed to using an older USB stick I had
>> 
>> 2.  I did the following at loader prompt
>> 
>>     OK  unload
>>     OK  set kern.smp.disabled=“1”
>>     OK  boot-conf
>> 
>> 
>> Hopefully I did that correctly and that was the fix rather than changing the USB stick
>> 
>> 
>> The problem I have now is that OpenFirmware is setup to boot NetBSD and I don’t know what I need
>> to set for the boot-device and boot-file variables in order for auto-boot to work.  At the moment I am unable to boot manually either.
>> 
>> cheers,
>> 
>>    mehul
>> 
>> 
>>>> On Apr 19, 2021, at 22:44 , Brandon Bergren <bdragon at FreeBSD.org> wrote:
>>> 
>>> 
>>> 
>>> On Mon, Apr 19, 2021, at 9:16 PM, Mehul Sanghvi wrote:
>>>> 
>>>>> On Apr 19, 2021, at 21:42 , Brandon Bergren <bdragon at FreeBSD.org> wrote:
>>>>> 
>>>>> This may be caused by a descynced timebase. At the loader prompt, do "boot kern.smp.disabled=1" (or set it in the loader environment) and see if that fixes it.
>>>>> 
>>>> This would be after installing freebsd yes ?
>>> I meant while booting into the installer. You can hit a button during the countdown and boot with extra options.
>>> 
>>> Oh, and after some discussion in IRC, I realized that I was misremembering what I still needed on the G4 side, and it should theoretically work on *all* SMP G4s as-is.
>>> 
>>>>>> Having gotten to the point of selecting Install,  the keyboard wouldn’t
>>>>>> work.  An Apple keyboard, hooked up via KVM switch, which was working
>>>>>> just fine upto that moment.
>>>>> I've seen this for some reason on ADB. I can usually work around it by using a USB keyboard. But it could be due to screwed up timers (due to timebase desync)
>>>>> 
>>>> The Apple keyboard is an USB keyboard but I worked around it by using a
>>>> spare USB keyboard I had.
>>> OK.
>>> 
>>>> 
>>>> The ISO got past the mountroot issue, but too many messages of the form
>>>> 
>>>>    CAM status: CCB request completed with an error
>>>> 
>>>> 
>>>> I may have to see if I have other USB flash dries around and try those.
>>>> It could very well be the USB flash.  I didn’t realize the G4s would
>>>> be picky about the stick that is used.
>>> Well, generally the problem tends to be that the stick just plain doesn't show up as a disk at 1 device in OF.
>>> 
>>> 
>>> 
>>>> cheers,
>>>> 
>>>>    mehul
>>>> 
>>>> 
>>>> 
>>>> 
>>> 
>>> -- 
>>>  Brandon Bergren
>>>  bdragon at FreeBSD.org
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