Messages in this thread | | | From | Meelis Roos <> | Subject | Re: strange interaction between IDE and ieee1394 driver | Date | Mon, 20 Nov 2000 22:36:24 +0200 |
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AS> When I user the ieee1394 subsystem to transmit data from a camcorder to an AS> IDE disk and the IDE driver is not using DMA, then there will be some data AS> lost in the ieee1394 driver. If I turn on DMA in the IDE driver (hdparm -d1 AS> /dev/hda), I do not have any data loss in the ieee1394 driver. Also, on a
IDE is blocking interrupts for too long in non-DMA mode? Try hdparm -u 1 in non-dma mode - this may help if interrupt latency is the issue.
-- Meelis Roos (mroos@linux.ee) - 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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