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Re: Debian on mac68k

On Thu, 27 Oct 2016, Mac User wrote:

> My Mac IIfx hangs at the Penguin screen booting
> "vmlinux-4.1.35-mac_scsi+" (same as
> "vmlinux-4.1.35-mac_scsi-egret+").

Did you check that the Serial Switch control panel is in "compatible" 
mode, as per the Penguin docs?

Maybe the problem is my use of the kernel.org cross-compiler instead of my 
usual cross-compiler. Do any of the past v4.1.y builds from sourceforge 
still work on this Mac?

> I tried booting "vmlinux-4.1.35-mac_scsi+" three times on my
> LC III; two times there was a kernel panic, once it hung at the
> "ABCFGHIJK" screen.

Did you boot MacOS with extensions disabled? An intermittent failure like 
that is indicative of an unhandled interrupt.

Please add "earlyprintk" to your kernel arguments. This will produce 
useful log messages which occur after "ABCFGHIJK", but which are lost if 
there is a crash before any other console becomes ready.

> If it would be helpful, I can trying booting using a serial
> console and capture the panic details.

Thanks. Log messages or a photo of the display are always useful.


> -Stan

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