Am Samstag, 5. April 2003 23:17 schrieb Linus Torvalds:
> On 4 Apr 2003, Michel Dänzer wrote:
> > > But why does this cause a hang?
> >
> > I'm not sure, maybe some kernels and/or machines don't like the
> > interrupt being enabled without the handler being installed. I couldn't
> > reproduce the problem on my Macs.
>
> Let's walk through it. First, the setup conditions:
>
> - let's say you have your graphics card on irq X.
>
> - it so happens that the network controller is _also_ on irq X, and the
> network driver has registered a interrupt handler for that irq.
Hello Linus,
is this BAD, then:
2.4.21-pre4-aa3
Mesa/demos> cat /proc/interrupts
CPU0 CPU1
0: 307859 361558 IO-APIC-edge timer
1: 1555 1170 IO-APIC-edge keyboard
2: 0 0 XT-PIC cascade
7: 1 1 IO-APIC-edge parport0
8: 5757 3032 IO-APIC-edge rtc
9: 0 0 IO-APIC-level acpi
12: 179922 230375 IO-APIC-edge PS/2 Mouse
16: 20045 20217 IO-APIC-level EMU10K1
17: 310026 328537 IO-APIC-level aic7xxx, eth0, eth1,
[EMAIL PROTECTED]:1:5:0
18: 233 510 IO-APIC-level aic7xxx
19: 0 0 IO-APIC-level usb-ohci
NMI: 0 0
LOC: 670127 670113
ERR: 0
MIS: 0
When I move my mouse over the OpenGL context window the OpenGL app runs
faster. But not as fast as before (last year "gears" had ~2800 fps, now ~800
fps).
Any change (kernel parameter) to set both aic7xxx (U160 and 2940UW)
controllers, the two NICs and the r200 on different IRQs?
Thanks,
Dieter
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