Date: Fri, 3 May 2002 11:00:20 -0700 From: Alfred Perlstein <bright@mu.org> To: Orion Hodson <hodson@icir.org> Cc: freebsd-multimedia@freebsd.org, current@freebsd.org Subject: Re: fast playback with Intel 82801BA (ICH2) Message-ID: <20020503180020.GP36741@elvis.mu.org> In-Reply-To: <200205020108.g42188v67590@puma.icir.org> References: <20020502004915.GN98487@elvis.mu.org> <200205020108.g42188v67590@puma.icir.org>
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* Orion Hodson <hodson@icir.org> [020501 18:10] wrote: > /-- Alfred Perlstein wrote: > | -current compiled today mp3s play too fast, any ideas on how to > | diagnose this? > | > | pcm0: <Intel 82801BA (ICH2)> port 0xef00-0xef3f,0xe800-0xe8ff irq 9 at device > | 31.5 on pci0 > | pcm0: measured ac97 link rate at 44061 Hz > > You can set a sysctl to set the ac97 link rate. I don't recall offhand what > it is (hw.snd.pcm0.ac97rate?) - "sysctl -a | grep ac97" will find it. > > There is a calibration test in the ich code since various mfrs do funny things > with the clock. I'd be interested to know what boot -v output is and what > ac97 link rate works. This is the second box reported failing on this > recently. This makes it sound almost perfect: sysctl hw.snd.pcm0.ac97rate=55000 the default 44061 is bad. -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' Tax deductible donations for FreeBSD: http://www.freebsdfoundation.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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