# Re: HIGHMEM + serial console + SMP + 2GB freeze on pmac

- From: Troy Benjegerdes \<hidden\>
- Date: 2001-12-07 00:42:31 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2001/12/9380387
- Thread: https://ratatoskr.run/linuxppc-dev/2001/12/9380387/t.md

```text

On Thu, Dec 06, 2001 at 06:25:24PM -0600, Troy Benjegerdes wrote:
>
> > I'm going to try several other combinations of things, including taking
> > one memory stick out since this could actually be that the hardware
> > doesn't like that much memory.
>
> There is at least one problem with serial console on pmac.. I removed the
> memory (except for 1 512mb dimm)
>
>
> If I turn serial console on, I get a machine check in
> serial_console_write during the PCI probing.
>
> This only shows up if Xmon is NOT compiled in.. since xmon tries to use
> the port (and presumably dies also)

Another note: The serial works fine after the machine is booted up.

--
Troy Benjegerdes | master of mispeeling | 'da hozer' |  hozer@drgw.net
-----"If this message isn't misspelled, I didn't write it" -- Me -----
"Why do musicians compose symphonies and poets write poems? They do it
because life wouldn't have any meaning for them if they didn't. That's
why I draw cartoons. It's my life." -- Charles Schulz

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```