On Wednesday 07 January 2009 09:04:37 david wrote: > Arnold Krille wrote: > > On Tuesday 06 January 2009 11:11:44 david wrote: > >> Thanks, but 100E secondhand means it's probably well out of my price > >> range. My laptop does have a PCMCIA slot. I have a compact flash card > >> reader that plugs into it, but data transfers are very slow through it. > >> I wouldn't be surprised to find that the silly laptop shares interrupts > >> with PCMCIA, video and audio hardware! > > You can get your surprise from a simply "cat /proc/interrupts"... > OK, so what does the following mean: > 16: 1 IO-APIC-fasteoi uhci_hcd:usb1, yenta Your pcmcia is sharing the interrupt with the first usb-port. You can use lsusb or usbview to see which devices you plugged in there. They will disturb your pcmcia-experience. > If I have a soft synth running, big updates to the screen display will > make it start and stop. But I'm not running an RT kernel here. Please not that while your graphics card isn't listed in the output of "cat /proc/interrupts" this doesn't mean that it isn't sending interrupts. Only there is no driver caring about them. So it can still be that the graphics is disturbing your sound-interrupts... Arnold
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