Re: [LAU] Installing realtime kernel - getting it to work.

From: Brad Fuller <brad@email-addr-hidden>
Date: Wed Apr 04 2007 - 01:30:26 EEST

Lee Revell wrote:
> On 4/3/07, Brad Fuller <brad@email-addr-hidden> wrote:
>> > well.. I was just following the directions - I haven't done a
>> > realtime kernel on gentoo and am using/trying the proaudio overlay.
>> >
>> > Yeah well, the howto uses 2.6.16 as example kernel, as 2.6.16 was the
>> > current stable kernel when I wrote it. But hmm, Frieder still marked
>> > 2.6.16-rt29 as the stable rt-sources in
>> > the overlay - not sure why exactly, maybe perceived level of risk -
>> > anyways in case of PAM and the kernel, I personally recommend using
>> > latest ~ masked pam and =rt-sources-2.6.20-r8 :)
>> >
>> >
>> > Right, I was using 2.6.16-rt29 and it's working with the pam 0.78.
>> > I'll try the newest kernel.
>> Ok.. I've finally got some time and am now on the newest kernel:
>> bfuller@email-addr-hidden ~ $ uname -a
>> Linux ives 2.6.20-rt8 #2 PREEMPT Thu Mar 29 21:32:54 PDT 2007 i686
>> Intel(R) Pentium(R) 4 CPU 1700MHz GenuineIntel GNU/Linux
>>
>> but, I get clicks and jumps when playing anything. I don't get clicks
>> and jumps with standard kernels. What could I look at? dmesg didn't seem
>> to have anything of relevance to this. Should it?
>
> Did you set the priorities of your soundcard IRQ and jackd correctly?
I don't know how to set the soundcard IRQ prioirity. jackd priority is
set to 0, but luckily that isn't the problem. I tracked it down to the
xine engine in amarok. It doesn't work well, but it has always worked
great in other kernels.

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Received on Wed Apr 4 04:15:02 2007

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