Messages in this thread |  | | Date | Thu, 12 Oct 2000 21:10:37 -0700 | From | John Silva <> | Subject | Re: SMP irq sharing problem in 2.2.17 |
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Timur Tabi wrote:
> ** Reply to message from "Robert B. Easter" <reaster@comptechnews.com> on Thu, > 12 Oct 2000 18:47:22 -0400 > > > Since installing a > > second CPU and recompiling the kernel for SMP and recompiling ALSA with > > --with-smp=yes, the sound loops. I can hear the sound, but it doesn't > > continue to play normally, rather, a sample will loop over and over. > > This means that the driver is not receiving any IRQs from the hardware. > Typically, this is the result of an IRQ conflict (some other driver has claimed > the IRQ for your hardware, and its interrupt handler is getting called instead). > > -- > Timur Tabi - ttabi@interactivesi.com > Interactive Silicon - http://www.interactivesi.com > > When replying to a mailing-list message, please don't cc: me, because then I'll just get two copies of the same message. > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > Please read the FAQ at http://www.tux.org/lkml/
The 694D defaults to MPS1.4. Make sure the 694D is configured for MPS1.1 and the problem will disappear.
I had a similar problem with the USB driver assigned to IRQ19 but not receiving any interrupts.
Perhaps someone more knowledgable can explain why linux fails under MPS1.4.
-J.
-- John Silva - jsilva@farm9.com farm9 Intrusion Detection & Prevention http://www.farm9.com
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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