Re: [LAU] realtime problem on 2.6.25

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From: Lars Luthman <lars.luthman@...>

To: <linux-audio-user@...>

Subject: Re: [LAU] realtime problem on 2.6.25

Date: Friday, April 25, 2008 - 4:28 pm

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On Fri, 2008-04-25 at 12:14 -0400, Joshua D. Boyd wrote:

quoted text

> When I tried it, my system fell to pieces, and I was unable to figure
> out how to tune it back to working in a reasonable amount of time (say
> 40 hours). So I've been sticking with SCHED_FIFO without Ingo's RT
> patches. At least this way things basically work with enough buffering.
> Although somehow regular priority threads (and processes) still manage
> to interfere with my SCHED_FIFO threads.

They can do that if they use syscalls that run for a long time in the
kernel without getting pre-empted. The whole point of the RT patch is to
make those kernel code paths shorter.

--ll

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Messages in current thread:

Re: [LAU] realtime problem on 2.6.25, Ben Tartsa, (Fri Apr 25, 2:27 pm)

Re: [LAU] realtime problem on 2.6.25, Paul Davis, (Fri Apr 25, 3:24 pm)

Re: [LAU] realtime problem on 2.6.25, Joshua D. Boyd, (Fri Apr 25, 4:14 pm)

Re: [LAU] realtime problem on 2.6.25, Lars Luthman, (Fri Apr 25, 4:28 pm)

linuxaudio.org

Re: [LAU] realtime problem on 2.6.25