Bug#346161: linux-source-2.6.15: serial card (fourport) stopped working
On Fri, 06 Jan 2006, Andreas Degert wrote:
> I have a fourport serial card, it is correctly detected and configured
> with the kernel from package linux-image-2.6.12-1-686-smp. The
> detected ports are ttyS4 - ttyS7 (ttyS0/1 is standard serial ports,
> ttyS2/3 not assigned).
> With 2.6.15 it works if the (max) number of serial ports is changed
> from 4 to 8 in the kernel configuration:
> I don't know if this change in behaviour was intended (2.6.12 works
> with my card when this parameter set to it's default value of 4,
> 2.6.14 and 2.6.15 don't).
please add dmesg output to your bugreport.
nevertheless this looks like an upstream bug,
please report it on bugzilla.kernel.org
please inform us of any outcome. :)
thanks for your report.