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

Vedran Miletić rivanvx at gmail.com
Fri Oct 31 20:30:00 CET 2008


Yes, it works. I replaced mask with 0 in that line, and it works
exactly the same. I didn't comment or uncomment anything.

Is there some more testing needed?

BTW, can you explain in short what is the issue here? I would like to
learn something along the way.

2008/10/26 Takashi Iwai <tiwai at suse.de>:
> 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
>



-- 
Vedran Miletić


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