Arnold Krille wrote: > 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. That would make sense. Output of lsusb: Bus 004 Device 010: ID 0781:8889 SanDisk Corp. SDDR-88 Imagemate 8-in-1 Reader Bus 004 Device 008: ID 041e:3f07 Creative Technology, Ltd Bus 004 Device 006: ID 04a9:220e Canon, Inc. CanoScan N1240U/LiDE 30 Bus 004 Device 005: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 004 Device 004: ID 0c0b:b311 Dura Micro, Inc. (Acomdata) Bus 004 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 1376:d002 Vimtron Electronics Co., Ltd. Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub So which one is usb1? >> 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... I'm pretty sure it's the graphics that are hogging things. The Intel video driver doesn't work properly on my laptop (it blows all the fonts up by a factor of 10), so I'm using the VESA driver. -- David gnome@xxxxxxxxxxxxx authenticity, honesty, community _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
