still audio hiccups
ariff at FreeBSD.org
Fri May 11 15:49:23 UTC 2007
On Wed, 9 May 2007 03:40:35 +0200 (CEST)
Martin Dieringer <martin.dieringer at gmx.de> wrote:
> On Tue, 8 May 2007, Martin Dieringer wrote:
> > On Thu, 3 May 2007, Ariff Abdullah wrote:
> >> On Wed, 2 May 2007 03:40:08 +0200 (CEST)
> >> Martin Dieringer <martin.dieringer at gmx.de> wrote:
> >>> I thought it was over when I killed powerd. But now it suddenly
> >>> makes "hiccup" every few seconds again.
> >>> This appears on the internal sound card (intel ich4) as well as
> >the >> USB (m-audio transit)
> >>> With mpd, xmms, waveplay...
> >>> No load, processor or disk stress.
> >>> - Thinkpad T42p
> >>> - FreeBSD 6.2-STABLE #5: Thu Mar 29 16:23:53 CEST 2007
> >> Please show the output of pciconf -lv | grep ^pcm
> > pcm0 at pci0:31:5: class=0x040100 card=0x05371014 chip=0x24c58086
> > rev=0x01 hdr=0x00
> > vendor = 'Intel Corporation'
> > device = '82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio
> > Controller'
> > class = multimedia
> > subclass = audio
> > # cat /dev/sndstat FreeBSD Audio Driver (newpcm)
> > Installed devices:
> > pcm0: <Intel ICH4 (82801DB)> at io 0xc0000c00, 0xc0000800 irq 11
> > bufsz 16384 kld snd_ich (1p/1r/0v channels duplex default)
> > pcm1: <USB Audio> at ? kld snd_uaudio (1p/1r/0v channels duplex)
> > mode 1:(output) 2ch, 24/24bit, pcm, 48001-96000Hz
> > mode 3:(output) 2ch, 16/16bit, pcm, 8000-48000Hz
> > mode 1:(input) 2ch, 24/24bit, pcm, 48001-96000Hz
> > mode 2:(input) 2ch, 24/24bit, pcm, 8000-48000Hz
> > mode 3:(input) 2ch, 16/16bit, pcm, 8000-48000Hz
> I switched to ACPI now (instead of APM), but the hiccups remained.
> They start after either the system is running for a while (now 6
> hours) or music playback of some time (now about 2 hours altogether)
> and get worse.
> Shortly after a reboot everything seems ok.
> When I run "vmstat -w 1" they get worse, but I cannot relate them
> to any events..
pcm0 or pcm1, or both? Try enabling vchans, or grab binary modules
from http://people.freebsd.org/~ariff/BINARY_MODULES/ . Your clock
issues could be the prime suspect here.
... Recording in stereo is obviously too advanced
and confusing for us idiot ***** users :P ........
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