Messages in this thread | | | Subject | Re: Pb with simultaneous SATA and ALSA I/O | From | Lee Revell <> | Date | Mon, 25 Sep 2006 10:50:59 -0400 |
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On Mon, 2006-09-25 at 10:38 -0400, Lennart Sorensen wrote: > Well i agree with the suggestion of trying a different PCI slot for > the sb live. There is so much onboard stuff sharing interrupts on > those boards that you might have problems because of that. Creative > cards are not very good at dealing with anything other than ideal > conditions from what I have gathered over the years. The manual for > the board will tell you which IRQ goes to which slot, and I guess you > want to avoid using a slot that shares with the SATA controller.
It might not be interrupt related, it could be DMA starvation. This has been observed with some SATA controllers while testing the -rt patches. The symptom is that the latency traces show the machine going in "slow motion".
Dominique: try the -rt kernel, enable latency tracing and post the output.
Lee
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