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Date:      Sun, 10 Sep 2000 21:49:24 +0200
From:      Szilveszter Adam <sziszi@petra.hos.u-szeged.hu>
To:        freebsd-current@freebsd.org
Subject:   pcm0: hwptr went backwards 4128 -> 4116
Message-ID:  <20000910214924.B24328@petra.hos.u-szeged.hu>

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Hello everybody!

Since no one this far has reported anything like this, I'll just throw this
one in, maybe someone has an idea...  

I have an SB 64 AWE ISA PnP card, which is detected as:

sbc0: <Creative SB AWE64> at port 0x220-0x22f,0x330-0x331,0x388-0x38b irq 5
drq
1,5 on isa0
sbc0: setting card to irq 5, drq 1, 5
pcm0: <SB DSP 4.16> on sbc0
midi0: <SB Midi Interface> on sbc0
midi1: <SB OPL FM Synthesizer> on sbc0
midi2: <CTL0022 WaveTable Synthesizer> at port 0x620-0x623,0xa20-0xa23,0xe20-0xe
23 on isa0
emu2: DRAM size = 512KB

Sound support is compiled into the kernel.

The system is: 

FreeBSD fonix.hos.u-szeged.hu 5.0-CURRENT FreeBSD 5.0-CURRENT #14: Sun Sep
10 04:02:07 CEST 2000     root@:/usr/src/sys/compile/FONIX  i386

with the SMPng patchset (+the one posted by Tor Egge for the 'dirty buffers'
problem some days ago.)

This evening I was listening to some mp3s with mpg123, when suddenly the
output started to have short pauses in it. And then the following message
appeared exactly once this far:

Sep 10 21:24:40 fonix /boot/kernel/kernel.ko: pcm0: hwptr went backwards
4128 -> 4116

I must add that this far the only symptoms I had with SMPng were the
unnaturally high load averages, as reported by others, but none of the
'microuptime went back' stuff. I have a PII 233 on a Spacewalker mobo using
the Intel LX 440 chipset. If you need any other info, just tell me.

Thanks for your time and keep up the good work!

-- 
Regards:

Szilveszter ADAM
Szeged University
Szeged Hungary


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