On Tue, 2004-09-28 at 11:40, R Parker wrote:
> With my setup, I'm getting decent enough reliability
> at 128 frames but when I record and mix, I turn it
> back to 1024. Under no circumstances can I tolerate a
> single xrun.
>
If you cannot tolerate a single xrun, then you NEED to use a low latency
kernel. Screwing around with interrupts and the FC2 kernel is a waste
of time. I get no xruns at 32 (!) frames using 2.6 with the VP patches,
and my soundcard shares an interrupt with USB:
rlrevell@mindpipe:~$ cat /proc/interrupts
CPU0
0: 65522406 XT-PIC timer 0/22406
1: 17900 XT-PIC i8042 2/17900
2: 0 XT-PIC cascade 0/0
8: 10844340 XT-PIC rtc 0/44340
10: 191142 XT-PIC uhci_hcd, EMU10K1 0/91142
11: 2875535 XT-PIC uhci_hcd, eth0 0/75535
12: 0 XT-PIC uhci_hcd 0/0
15: 163810 XT-PIC ide1 0/63809
NMI: 0
ERR: 0
rlrevell@mindpipe:~$ uname -r
2.6.9-rc2-mm3-VP-S6
Lee
