[alsa-devel] Bug in sound-unstable-2.6 ice1724

Takashi Iwai tiwai at suse.de
Sun Oct 26 23:03:33 CET 2008


At Sun, 26 Oct 2008 17:31:02 +0100,
=?UTF-8?Q?Vedran_Mileti=C4=87?= wrote:
> 
> Yeap, that one does it. No need to revert it fully, though. I just
> uncommented the unsigned char mask line and removed that #if 0 and
> #endif. Now it works perfectly. Thanks! Can you fix it in your tree?

Well, before doing that, I'd like to understand the problem more.

If the problem is about the initial IRQ mask value, setting 0 should
work as well.
Could you change the code just to do like below, and check whether it
works?
	outb(0, ICEREG1724(ice, IRQMASK));


thanks,

Takashi

> 2008/10/21 Takashi Iwai <tiwai at suse.de>:
> > At Tue, 21 Oct 2008 10:49:18 +0200,
> > =?UTF-8?Q?Vedran_Mileti=C4=87?= wrote:
> >>
> >> No, that didn't fix it. :-(
> >>
> >> vedran at kalopsia:~/Media$ mplayer -ao alsa:device=hw=1.0 -srate 22050
> >> -format s32le get_video
> >> MPlayer 1.0rc2-4.3.1-DFSG-free (C) 2000-2007 MPlayer Team
> >> CPU: AMD Athlon(tm) Dual Core Processor 4450e (Family: 15, Model: 107,
> >> Stepping: 2)
> >> CPUflags:  MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 1 SSE2: 1
> >> Compiled with runtime CPU detection.
> >> mplayer: could not connect to socket
> >> mplayer: No such file or directory
> >> Failed to open LIRC support. You will not be able to use your remote control.
> >>
> >> Playing get_video.
> >> libavformat file format detected.
> >> [lavf] Video stream found, -vid 0
> >> [lavf] Audio stream found, -aid 1
> >> VIDEO:  [FLV1]  320x240  0bpp  29.970 fps    0.0 kbps ( 0.0 kbyte/s)
> >> ==========================================================================
> >> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> >> Selected video codec: [ffflv] vfm: ffmpeg (FFmpeg Flash video)
> >> ==========================================================================
> >> ==========================================================================
> >> Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
> >> AUDIO: 22050 Hz, 2 ch, s16le, 8.0 kbit/1.13% (ratio: 1000->88200)
> >> Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
> >> ==========================================================================
> >> AO: [alsa] 22050Hz 2ch s32le (4 bytes per sample)
> >> Starting playback...
> >> VDec: vo config request - 320 x 240 (preferred colorspace: Planar YV12)
> >> VDec: using Planar YV12 as output csp (no 0)
> >> Movie-Aspect is undefined - no prescaling applied.
> >> VO: [xv] 320x240 => 320x240 Planar YV12
> >> A: 240.8 V: 245.3 A-V: -4.502 ct: -4.382 3350/3350  0%  0%  0.4% 0 0
> >> [AO_ALSA] alsa-lib: pcm_hw.c:488:(snd_pcm_hw_drain)
> >> SNDRV_PCM_IOCTL_DRAIN failed: Input/output error
> >
> > Did you build with CONFIG_SND_DEBUG=y?  I guess you get a kernel error
> > message like "playback drain error (DMA or IRQ..."
> >
> > If so, a relevant patch is 1083206ff44af4baa03573b4a6bac430d9d70404,
> >    ALSA: ice1724 - Fix TX IRQ lockup
> >
> > Try to revert it.
> >
> >
> > thanks,
> >
> > Takashi
> >
> >>
> >> Exiting... (End of file)
> >>
> >> 2008/10/20 Takashi Iwai <tiwai at suse.de>:
> >> > At Sun, 19 Oct 2008 11:36:35 +0200,
> >> > =?UTF-8?Q?Vedran_Mileti=C4=87?= wrote:
> >> >>
> >> >> I have:
> >> >> 01:0a.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24
> >> >> [Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01)
> >> >>       Subsystem: TERRATEC Electronic GmbH PHASE 22
> >> >>       Flags: bus master, medium devsel, latency 64, IRQ 16
> >> >>       I/O ports at c880 [size=32]
> >> >>       I/O ports at c800 [size=128]
> >> >>       Capabilities: [80] Power Management version 1
> >> >>       Kernel driver in use: ICE1724
> >> >>       Kernel modules: snd-ice1724
> >> >> I do this:
> >> >> mplayer -ao alsa:device=hw=1.0 -srate 44100 -format s32le get_video
> >> >> Before the song ends, last sample loops for about 20-30 times, and
> >> >> then mplayer quits with error:
> >> >> alsa-lib: pcm_hw.c:488:(snd_pcm_hw_drain) SNDRV_PCM_IOCTL_DRAIN
> >> >> failed: Input/output error
> >> >>
> >> >> This doesn't happen on sound-2.6 and doesn't happen on
> >> >> sound-unstable-2.6 with E-mu 1212m.
> >> >
> >> > A suspicious commit is the one in topic/test branch,
> >> >
> >> >  commit 442dac7e02a835944bd4d6e429d0b4a2446e0204
> >> >  Author: Takashi Iwai <tiwai at suse.de>
> >> >  Date:   Tue Aug 12 13:39:02 2008 +0200
> >> >
> >> >    ALSA: Allow drain ioctl for non-blocking mode
> >> >
> >> > Could you try to revert this commit?
> >> >
> >> >
> >> > thanks,
> >> >
> >> > Takashi
> >> >
> >>
> >>
> >>
> >> --
> >> Vedran Miletić
> >
> 
> 
> 
> -- 
> Vedran Miletić


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