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Date:      Fri, 21 Jan 2005 13:29:43 +0100
From:      =?ISO-8859-1?Q?Gr=E9gory_Nou?= <gregorynou@altern.org>
To:        Jason Henson <jason@ec.rr.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Xmms FreeBSD and buzzing or skipping sound
Message-ID:  <41F0F5B7.3010104@altern.org>
In-Reply-To: <1106282087l.49858l.1l@BARTON>
References:  <%XxUc.21343$pT5.19608@lakeread05> <41F06178.6060804@rogers.com> <1106282087l.49858l.1l@BARTON>

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Jason Henson a écrit :

> On 01/20/05 20:57:12, Derek wrote:
>
>> Collin McClendon wrote:
>>
>>> I've noticed for quite some time (at least on 5.x even before - 
>>> CURRENT) that if I'm unzipping or tarring a file that it is enough  
>>> to make xmms play mp3s with intermittent buzzing. I have a fairly  
>>> fast machine, dual athlon 1.53 Ghz with 1 GB of ram and a fully 
>>> scsi  setup, 4 10K maxtors in a Raid 0 stripe set.
>>
>>
>> Did you ever find a solution to this Collin?
>>
>> I've got a 5.3-STABLE SMP machine, with a promise RAID controller,
>> RAID1, with snd_emu10k1.ko, and I get the same results...  Re-nicing
>> xmms doesn't help either...
>>
>> Cheers,
>> Derek
>>
>
> Could this be a problem of resource hoging on the pci bus?  Are the  
> devices on different irqs?
>
> I just tried it without problem, but it was a small file.  I have a  
> single 2ghz athlon with builtin audio and a single ide drive.

I have this problem too.
It happens with any mp3 player or listening to an icecast stream, but 
not with mplayer when looking at a divx. I looked at the irqs, and have 
uhci2 and my pcm0 on the same irq. However, this problems occurs only 
after 3 or 4 hours of uptime, generally.
Should I try to change my irqs ? and if positive, how do I do this ? in 
the bios ? (note : I have also uhci1 on the same irq than vr0, and it 
makes my computer crash at the end of the shutdown, when using the GDM 
to shutdown)





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