DragonFly kernel List (threaded) for 2012-10
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Re: snd_hda
On Tue, Oct 09, 2012 at 11:13:17PM -0700, kyuupichan wrote:
> I did a buildworld and buildkernel a couple of days ago:
>
> DragonFly v3.3.0-DEVELOPMENT #0: Tue Oct 9 18:28:07 JST 2012
> root@athlon2.akihabara.co.uk:/usr/obj/usr/src/sys/X86_64_GENERIC
>
> The main thing I've noticed so far is that sound now has a lot of static / fuzz when playing music with audacious; the prior kernel
>
> DragonFly v3.1.0.571.g9549c-DEVELOPMENT #2: Sat Apr 21 19:08:47 JST 2012
> root@athlon2.akihabara.co.uk:/usr/obj/usr/src/sys/X86_64_GENERIC
>
> didn't have this issue; sound played perfectly (though would easily skip if the O/S was busy). Has code in this area been changing? I've attached the dmesg in case it's useful. Also once sound didn't initialize properly on reboot; I needed to unload and reload snd_hda and sound modules.
I may have encountered the same issue in the past. Could you try running
make -j 3 buildkernel in the background and playing sound at the same time ?
Is there some improvement if you do that ?
I'm thinking of a memory coherency issue which should have been fixed by
this commit:
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/175b3f1ca1cf45d85d32c9f1acb1f23741fb4ec3
--
Francois Tigeot
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