still audio hiccups
martin.dieringer at gmx.de
Fri May 11 14:09:10 UTC 2007
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
> vendor = 'Intel Corporation'
> device = '82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio
> 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
Shortly after a reboot everything seems ok.
When I run "vmstat -w 1" they get worse, but I cannot relate them
to any events..
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