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Re: Mac Mini and Xorg
- To: Sean_Welch_(_at_)_alum_(_dot_)_wofford_(_dot_)_org
- Subject: Re: Mac Mini and Xorg
- From: Peter Grehan <grehan_(_at_)_freebsd_(_dot_)_org>
- Date: Sun, 10 Jul 2005 15:43:09 +1000
- Cc: freebsd-ppc_(_at_)_freebsd_(_dot_)_org
I've succeeded in getting X to run. I've also seen the dimness you
mentioned -- seems to be a reinitialization issue. I've got a
combined patch (your changes plus the mods already in the port) but
I'm trying to get some more ifdef's into place so that only ppc gets
the parts that aren't currently ifdef'ed.
OK, let me know what you come up with and I can give it a try.
Some things I've noticed -- I had to comment out the ttya and ttyb
entries in /etc/ttys because getty was going nuts trying to initialize
them. It kept complaining they don't exist in /dev (even though they
This is fallout from some generic tty changes a long while back. It
should be safe to remove them, and at some point the zs driver will be
replaced with the uart driver which I think doesn't have the problem.
Even so, I get a string of:
This message comes from the OpenFirmware syscons framebuffer module.
If you have a look at sys/powerpc/ofw/ofw_syscons.c you'll see:
ofwfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
... so the TODO printf line could probably be removed.
In addition, though /boot/kernel/sound.ko exists, kldload
sound gives the following:
kldload: can't load sound: No such file or directory
while the console shows:
link_elf: symbol isa_dmastart undefined
What's happening there is that the PCM module (incorrectly) has a
dependency on ISA. Tilman found this also:
The ISA symbols aren't in the kernel, failing the link, and resulting
in the slightly obtuse error message from kldload.
I tried dpms and it does work under X just fine.
Good to hear.
I seem able to freeze the system fairly regularly -- it may just be
starting and restarting X but I've not yet been able to isolate the
cause. (X won't start every time -- it doesn't always figure out that
some modes can run even though I've hardcoded some into the xorg.conf)
Seems to drop to the debugger about once every 4 times or so.
I'm delighted with the progress of the ppc port -- let me know if
there is anything else I can test specifically.
I'm always interested in a backtrace if you can get one from the
debugger, or even the routine where the panic/fatal trap occurs.
Other than that, I'd say just run as much as you can and report how it
goes, good bad or otherwise.
Thanks for having the patience to jump through the Xorg hoops !
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