Re: Need help tracking down serial problem on iBook G4
On Sun, 2006-01-15 at 18:49 +0100, Matthias Jordan wrote:
> Hi, folks.
>
> Since I've been running Ubuntu Breezy on my iBook G4 I kept having
> problems booting the kernel - regardless of the kernel version. From
> time to time the kernel just wouldn't start because it hung right
> after the printk from the serial driver. The only solution to this
> was to press the On/Off button for like 5 seconds to turn the
> machine off the hard way. When the issue appeared, the kernel kept
> hanging for a couple of tries to boot it but then again I often
> could boot about 10 times without any problems.
>
> Now I started to put some debug output into the driver files (mostly
> 8250.c) to see which function causes the problem. The funny thing is
> that the problem hasn't showed up ever since. This is why I wonder
> if it might be a timing problem.
Just don't load this driver. It has nothing to do on a mac anyway.
Ben.
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