Re: [linux-audio-dev] (not so low) low latency - acpi, dri, proc

2002-08-26 Thread Jussi Laako
Fernando Pablo Lopez-Lezcano wrote: I suspect acpi might be the culprit but I cannot try to disable it because on this particular laptop you need acpi to make sound work (probably something to do with routing of interrupts,, also tried pci=biosirq on a non-acpi kernel without success). Any

Re: [linux-audio-dev] (not so low) low latency - acpi, dri, proc

2002-08-26 Thread Jussi Laako
Joern Nettingsmeier wrote: as a related note, i have found the soft-raid driver to cause higher latencies. when i do latencytest on a single scsi drive, i'm always 3ms, on the raid, i sometimes see 10. kernel is 2.4.20-pre2-ll. this data is as i recall it. if folks are interested, i'll

Re: [linux-audio-dev] (not so low) low latency - acpi, dri, proc

2002-08-26 Thread Fernando Pablo Lopez-Lezcano
I suspect acpi might be the culprit but I cannot try to disable it because on this particular laptop you need acpi to make sound work (probably something to do with routing of interrupts,, also tried pci=biosirq on a non-acpi kernel without success). Any suggestions? Hmmh, are you

[linux-audio-dev] (not so low) low latency - acpi, dri, proc

2002-08-21 Thread Fernando Pablo Lopez-Lezcano
Hi... anybody out there testing latency on an ACPI patched kernel? I have two kernels I'm testing: 2.4.19-x: 2.4.19 2.4.20-pre4 low latency for 2.4.19 (w/a couple of tweaks to patch pre4) acpi-20020815 for 2.4.20-pre4 2.4.18-x: 2.4.18 low latency for 2.4.18-pre10 acpi-20020726 for