Bug#380029: (linux-image-2.6.17-1-686: Can not find tty Serial using 2.6.17)

[Moritz Muehlenhoff <jmm@inutil.org>]

On Fri, Aug 11, 2006 at 03:18:24PM -0700, Bill Thompson wrote:
> A quick follow-up on this bug. I have been able to partially resolve
> this issue by forcing the 8250_pnp module to load at boot.
> Initially that module did not load by default. 
> 
> However, the first time the module loads, the UART settings for the
> ttyS* ports are listed as "unknown". This prevents the ports from being
> used. If I manually remove the 8250_pnp module and load it a second
> time, the UART is correctly set and the ports become available. It does
> not matter if the module is initially loaded at boot time or manually
> loaded after boot, you must load the module, unload it, and load it a
> second time to properly set the ttyS* ports.
> 
> I will keep working on this and pass on what I find, but I would
> appreciate any thoughts or ideas people may have.

Does this error still occur with more recent kernel versions?

Cheers,
        Moritz