On 28-Jul-99 [EMAIL PROTECTED] wrote:
> On Wed, Jul 28, 1999 at 09:41:04AM -0000, Lars Prieske wrote:
>> I've tested the rt_com-0.2 and rt_com-0.3pre3 packages with 2.2.10-kernel
>> (rtlinux-BETA11) on a multiprocessor machine (dual pentiumII 400MHz,
>> 256MByte
>> RAM etc.). Sometimes, after loading the rt_com module, the timer (irq 0)
>> stops
>> and the machine beeps permanently. Some other time, the machine only freeze.
>> There is a problem with irq requests on smp machines?
>
> There should not be a problem. How do you know that it is irq0? On a smp
> machine
> irq0 is not used as the main timer anymore.
>
Sorry, i mean the interrupt 0 how listed in /proc/interrupts. On my dualpentium
machine only the interrupt counter for cpu 0 is increased. After loading
module 'rt_com', this counter will not be increased. If i load a module that
use functions from rt_com module (rt_com_setup(...)) then the interrupt counter
is increased again (no more beeps). If i unload this module the counter will not
be increased, the same situation after loading the rt_com module only! The
serial card is a MOXA C102 on isa bus (16550C, port 0x180/0x188, irq 7/5).
Lars
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