[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Macintosh Quadra 950 Not Booting



On Fri, Aug 7, 2015 at 7:43 AM, Finn Thain <fthain@telegraphics.com.au> wrote:
>> I installed MacsBug in hopes of finding something useful in __log_buf on
>> reboot, but the entire buffer is empty (zeros). I'd suspect the
>> bootloader is at fault, but Penguin successfully boots a 4.0.0 kernel on
>> my SE/30. Penguin log is attached, in case anyone's interested.
>
> I don't know anything about __log_buf. I suspect you'd need to avoid the
> POST memory test for that to work.

It's the internal buffer for printk():

kernel/printk/printk.c:static char __log_buf[__LOG_BUF_LEN] ...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds


Reply to: