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Date: Tue, 04 Dec 2001 23:41:44 -0500
From: Nathan Bryant <nbryant@optonline.net>
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To: Doug Ledford <dledford@redhat.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Mario Mikocevic <mozgy@hinet.hr>
Subject: Re: i810 audio patch
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got this during a quake run with only DEBUG_INTERRUPTS enabled

it seems that we aren't making it properly chase its tail during mmap 
mode. so it runs through once and then stops. the final timeout is 
waiting for a completion that's never going to come.

Dec  4 23:33:50 lasn-001 kernel: Intel 810 + AC97 Audio, version 0.07, 
23:28:08 Dec  4 2001
Dec  4 23:33:50 lasn-001 kernel: PCI: Setting latency timer of device 
00:1f.5 to 64
Dec  4 23:33:50 lasn-001 kernel: i810: Intel ICH 82801AA found at IO 
0x2400 and 0x2000, IRQ 17
Dec  4 23:33:51 lasn-001 kernel: i810_audio: Audio Controller supports 2 
channels.
Dec  4 23:33:51 lasn-001 kernel: ac97_codec: AC97 Audio codec, id: 
0x4144:0x5360 (Analog Devices AD1885)
Dec  4 23:33:51 lasn-001 kernel: i810_audio: AC'97 codec 0 Unable to map 
surround DAC's (or DAC's not present), total channels = 2
Dec  4 23:33:51 lasn-001 kernel: i810_audio: setting clocking to 41231
Dec  4 23:34:00 lasn-001 kernel: NVRM: AGPGART: allocated 257 pages
Dec  4 23:34:00 lasn-001 kernel: NVRM: AGPGART: allocated 128 pages
Dec  4 23:34:00 lasn-001 kernel: CHANNEL NUM 1 PORT 10 IRQ ( ST8 DAC HWP 
16384,0,16384
Dec  4 23:34:00 lasn-001 kernel: COMP 8 )
Dec  4 23:34:01 lasn-001 kernel: CHANNEL NUM 1 PORT 10 IRQ ( ST8 DAC HWP 
32768,16384,16384
Dec  4 23:34:01 lasn-001 kernel: COMP 16 )
Dec  4 23:34:01 lasn-001 kernel: CHANNEL NUM 1 PORT 10 IRQ ( ST8 DAC HWP 
49152,32768,16384
Dec  4 23:34:01 lasn-001 kernel: COMP 24 )
Dec  4 23:34:01 lasn-001 kernel: CHANNEL NUM 1 PORT 10 IRQ ( ST15 DAC 
HWP 65536,49152,16384
Dec  4 23:34:01 lasn-001 kernel: COMP 32 DAC HWP 65536,65536,0
Dec  4 23:34:01 lasn-001 kernel: LVI DAC HWP 65536,65536,0
Dec  4 23:34:01 lasn-001 kernel: DCH - STOP )
Dec  4 23:34:02 lasn-001 kernel: cdrom: open failed.
Dec  4 23:34:03 lasn-001 kernel: DAC HWP 65536,65536,0
Dec  4 23:34:07 lasn-001 kernel: NVRM: AGPGART: freed 128 pages
Dec  4 23:34:07 lasn-001 kernel: NVRM: AGPGART: freed 257 pages
Dec  4 23:34:07 lasn-001 kernel: DAC HWP 65536,65536,0
Dec  4 23:34:10 lasn-001 kernel: i810_audio: drain_dac, dma timeout?

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