Messages in this thread | | | From | "Ulrich Windl" <> | Date | Tue, 19 Mar 1996 08:20:50 +0100 | Subject | Re: Bug: IRQ allocation for PCI devices 1.3.75?? |
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On 18 Mar 96 at 17:35, Bob Felderman wrote:
> Note that the two devices labeled > AMCC Myrinet PCI have been given the same IRQ.
I'm not too sure, but isn't that called "interrupt sharing"? I think PCI devices are able to do so because of level triggered interrupts.
> This used to work fine in previous linux kernels. > I'll be re-trying 1.3.74 shortly. > Bob > > > bash# uname -a > Linux triton 1.3.75 #1 Sat Mar 16 13:06:00 PST 1996 i586 > > bash# cat /proc/pci > PCI devices found: > Bus 0, device 19, function 0: > Non-VGA device: AMCC Myrinet PCI (M2-PCI-32) (rev 1). > Slow devsel. IRQ 10. Master Capable. Latency=66. > Non-prefetchable 32 bit memory at 0xffe00000. > Bus 0, device 17, function 0: > Non-VGA device: AMCC Myrinet PCI (M2-PCI-32) (rev 1). > Slow devsel. IRQ 10. Master Capable. Latency=66. > Non-prefetchable 32 bit memory at 0xffd00000. > Bus 0, device 8, function 0: > VGA compatible controller: S3 Inc. Trio32/Trio64 (rev 0). > Medium devsel. IRQ 11. > Non-prefetchable 32 bit memory at 0xff000000. > Bus 0, device 7, function 0: > ISA bridge: Intel 82371 Triton PIIX (rev 2). > Medium devsel. Fast back-to-back capable. Master Capable. No bursts. > Bus 0, device 0, function 0: > Host bridge: Intel 82437 (rev 1). > Medium devsel. Master Capable. Latency=64. > > ------------ Ulrich Windl Klinikum der Universitaet Regensburg Rechenzentrum DV-med Franz-Josef-Strauss-Allee 11 Tel: +49 941 944-5879 D-93053 Regensburg FAX: +49 941 944-5882 Just imagine my mail address were <Ulrich.Windl@rz.uni.r.de>...
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