> From: Marcus Berglund <mabs@diesel.net.au>
> These are from 2.1.89 (& 90-pre[123])
>
> And the kernel won't auto-detect my NE2000 (clone) while
> it is set for irq 3, but auto-detects while on irq 12, there
> is no serial port on irq 3.
>
IRQ autodetection is (a little bit) broken since quite a long
time in 2.1.xx . Try this simple patch (sent to Linus yesterday) .
Etienne.
----------- etienne.lorrain@ibm.net
-- hdc: irq timeout: status=0xd0 { Busy }
-- ide1: reset: success
----------> I like Linux !
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Content-description: Text from file 'simple_patch'
diff -u --recursive --new-file linux-2.1.89-3/arch/i386/kernel/irq.c linux/arch/i386/kernel/irq.c
--- linux-2.1.89-3/arch/i386/kernel/irq.c Tue Mar 17 19:54:48 1998
+++ linux/arch/i386/kernel/irq.c Tue Mar 17 20:01:59 1998
@@ -205,7 +205,7 @@
#ifdef __SMP__
/*
- * The IO-APIC (persent only in SMP boards) has 8 more hardware
+ * The IO-APIC (present only in SMP boards) has 8 more hardware
* interrupt pins, for all of them we define an IRQ vector:
*
* raw PCI interrupts 0-3, basically these are the ones used
@@ -1003,7 +1003,7 @@
for (i=0; i<NR_IRQS; i++)
for (j=0; j<NR_CPUS; j++)
if (kstat.irqs[j][i] != probe_irqs[j][i])
- irqs &= ~(i<<1);
+ irqs &= ~(1<<i);
return irqs;
}
@@ -1018,7 +1018,7 @@
sum += kstat.irqs[j][i];
sum -= probe_irqs[j][i];
}
- if (sum && (irqs & (i<<1))) {
+ if (sum && (irqs & (1<<i))) {
if (irq_found != -1) {
irq_found = -irq_found;
goto out;
--Message-Boundary-28604--
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