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Re: Reinstalling fresh

Subject: Re: Reinstalling fresh
From: tommy
Date: Thu, 28 Apr 2011 23:33:58 -0500
Thank you, I am going to order a Syba firewire card with a TI chipset,
I tried hpet but when I typed in sudo modprobe snd-hrtime
I got FATAL: Module snd_hrtime not found., How would I go about
getting that module?


On Thu, Apr 28, 2011 at 11:24 PM, Ralf <ralf.mardorf@xxxxxxxxxxxxx> wrote:
> On Thu, 2011-04-28 at 20:02 -0400, Mike Holstein wrote:
>> you see the line ehci_hcd:usb1, uhci_hcd:usb8, ohci1394, thats not
>> ideal.. that means that your firewire device is shared with 2 other
>> USB ports... you should look in the bios and see if you can change
>> that, and also, run lspci and see what firewire chipset you have...
>
> Sharing IRQs is super-bad, but even having unneeded IRQs isn't ideal,
> e.g. do you need the crappy HDA intel device?
>
> Regarding to the shared IRQs, I for example avoid to use to much USB
> devices, by using a PS/2 mouse and keyboard.
>
> You should try hpet, tickless timer, because IRQ handling will become
> better:
>
> $ sudo chgrp audio /dev/hpet
> $ sudo chmod g+rw /dev/hpet
> $ sudo modprobe snd-hrtimer
> $ jackd --help
>  [ --clocksource OR -c [ c(ycle) | h(pet) | s(ystem) ]
>
> - Ralf
>
>
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