Playing DVD interfers with modem?

[Ric Moore]

On Mon, 2008-02-04 at 11:55 -0800, Rick Stevens wrote:

> The IRQ won't show up unless something is on the serial port or using
> it.  For example, my machine shows this normally:
> 
>   0:       1668   IO-APIC-edge      timer
>   1:     163398   IO-APIC-edge      i8042
>   6:          6   IO-APIC-edge      floppy
> 
> However, if I "agetty -L 9600 ttyS0", it shows this:
> 
>   0:       1668   IO-APIC-edge      timer
>   1:     163146   IO-APIC-edge      i8042
>   4:         25   IO-APIC-edge      serial
>   6:          6   IO-APIC-edge      floppy

You're right. 
more /proc/interrupts
           CPU0
  0:        181   IO-APIC-edge      timer
  1:     160311   IO-APIC-edge      i8042
  4:   13283349   IO-APIC-edge      serial
  7:          0   IO-APIC-edge      parport0
  8:    4875078   IO-APIC-edge      rtc
  9:          1   IO-APIC-fasteoi   acpi
 12:          4   IO-APIC-edge      i8042
 14:     938575   IO-APIC-edge      libata
 15:          0   IO-APIC-edge      libata
 16:         64   IO-APIC-fasteoi   ohci_hcd:usb1
 17:    1194331   IO-APIC-fasteoi   ohci_hcd:usb2
 18:          0   IO-APIC-fasteoi   ohci_hcd:usb3
 19:          3   IO-APIC-fasteoi   ehci_hcd:usb4
 20:     241245   IO-APIC-fasteoi   libata
 21:    3694679   IO-APIC-fasteoi   ALi M5455, eth0
 22:   17454806   IO-APIC-fasteoi   nvidia
NMI:          0
LOC:   47879444
ERR:          0
MIS:          0

I seem to dimly recall in the OLD DAYS, that serial was always on. But I
had a pile of uugettys spawned too. <grins> My last send went out, so
I'll try this one while the DvD is playing "Time Bandits" with the
horses crashing through the kids bedroom wall. I love this flick! Ric

-- 
================================================
My father, Victor Moore (Vic) used to say:
"There are two Great Sins in the world...
..the Sin of Ignorance, and the Sin of Stupidity.
Only the former may be overcome." R.I.P. Dad.
Linux user# 44256 Sign up at: http://counter.li.org/
http://www.sourceforge.net/projects/oar
http://www.wayward4now.net  <---down4now too
================================================