Date: Wed, 27 Nov 2002 14:12:44 -0800 From: Lars Eggert <larse@ISI.EDU> To: Peter Gade Jensen <rhazn@daimi.au.dk> Cc: freebsd-current@freebsd.org Subject: Re: sound problems Message-ID: <3DE5435C.3020906@isi.edu> In-Reply-To: <Pine.GSO.4.44.0211260108540.29108-100000@student.uci.agh.edu.pl> References: <Pine.GSO.4.44.0211260108540.29108-100000@student.uci.agh.edu.pl> <20021127164636.GA6239@horse05.daimi.au.dk>
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This is a cryptographically signed message in MIME format. --------------ms030507070901020101000405 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Peter Gade Jensen wrote: > On Tue, Nov 26, 2002 at 11:32:07PM +0100, Jan Srzednicki wrote: > > >I have -CURRENT from Saturday on my box. I have SB 128PCI on my > board, the > >module detects it without problems and seems to work fine. But the > problem > >is that the sound is not clear; there happen to be some itchy noises from > >time to time, when I push up the system load. I wonder whether enlarging > >the sound buffer woul help, yet hw.snd.pcm0.buffersize is read-only, even > >setting it in /boot/loader.conf does not help. Under -STABLE those > "ithes" > >never happened, so I don't think it's a hw issue. > > > I have the same problem. It sounds like the soundbuffer runs empty > somehow and needs to fill up before continueing. This results in > something that sounds like a really small sample(1ms) looping for > 1second or so. If this makes sense? :o) > > FreeBSD 5.0-CURRENT and a trident onboard soundcard which uses the > snd_t4dwave.ko module. > > pcm0: port 0xed00-0xedff mem 0xf7efe000-0xf7efefff irq > 11 at device 6.0 on pci0 Same here; a good way to produce these symptoms is a portupgrade -a. I only use the pcm0 card, don't know if pcm1 is affected. This is an SMP box, if it matters. FreeBSD Audio Driver (newpcm) Installed devices: pcm0: <Creative EMU10K1> at io 0xcc20 irq 21 (4p/2r/0v channels duplex default) pcm1: <Intel 82801BA (ICH2)> at io 0xb800, 0xbc40 irq 13 bufsz 16384 (1p/1r/0v channels duplex) Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms030507070901020101000405 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw 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