> Hi again!
>
> Well, after sucesfully installing (some tries...) the
> alsa-driver-0.9.0beta10, alsa-lib-0.9.0beta10a, alsa-utils-0.9.0beta10a
> as Jaroslav Kysela adviced me (thanks !!) , I am still facing a big
> problem:
>
> My SB 32 PnP (CT3600) seems to be working properly since it plays without
> problems wavs, midis and mp3s and also it records really nicelly (
> considering my voice as the target;)) ). but as long as I do it
> separatelly. I mean, it is not possible to play a file while �arecord' is
> working.
>
> I need a clarification on the issue: wether it is really a problem with
> the driver or/and of my settings of the mixer-and or the modules-card,
> whatever....
>
> In case someone is working in full duplex mode with any card, please let
> me know the model of it and which driver are you using. I need it for a
> videotelephony application as I mentioned in previous mails ( By the way,
> the suggestion that the problem could be due to the use of mmap in ophone
> (ww.openh323.org) can not fit here since ophone is not using that function
> but the traditional read/write method).
>
> I try to clarify the problem through the outputs I am having:
>
> So when I tried the operation above ( play a wav file in a console while
> simultaneously recording in another one) I have the following messages and
> error outputs:
>
> in the playing console it says:
>
> audio: Device or resource bussy
>
> and the tail ( tail -f /var/log/messages/) message says:
>
> Dec 4 14:40:08 atm11 kernel: ALSA pcm_native.c:1250: playback drain error
> (DMA or IRQ trouble?)
>
>
> My configuration is the following ( it seems not to be any IRQ
> conflict...??):
>
> (Thanks in advance!!)
>
> [root@atm11 proc]# cat devices
> Character devices:
> 1 mem
> 2 pty
> 3 ttyp
> 4 ttyS
> 5 cua
> 7 vcs
> 10 misc
> 14 sound
> 116 alsa
> 128 ptm
> 136 pts
> 162 raw
> 226 drm
>
> Block devices:
> 2 fd
> 3 ide0
>
> [root@atm11 proc]# cat dma
> 1: SoundBlaster - 8bit------------------>
> 4: cascade
> 5: SoundBlaster - 16bit-----------------> Just to understand the whole
> :Can anyone explain me how the driver use/share the dma channels in a
> full-duplex operation of the SB?
> Is it
> really possible with this card to achieve a real full-duplex operation?
> Which
> other card should I try under Linux?
> [root@atm11 proc]# cat interrupts
> CPU0
> 0: 386044 XT-PIC timer
> 1: 3052 XT-PIC keyboard
> 2: 0 XT-PIC cascade
> 5: 322901 XT-PIC SoundBlaster
> 10: 40956 XT-PIC eth0
> 14: 9654 XT-PIC ide0
> NMI: 0
> LOC: 0
> ERR: 0
> MIS: 0
>
> [root@atm11 proc]# cat modules
> snd-card-sbawe 5968 3
> snd-sb16-dsp 7360 0 [snd-card-sbawe]
> snd-sb16-csp 18160 0 [snd-card-sbawe]
> snd-sb-common 7552 0 [snd-card-sbawe snd-sb16-dsp
> snd-sb16-csp]
> snd-mpu401-uart 3760 0 [snd-card-sbawe snd-sb16-dsp]
> snd-seq-midi 4368 0 (autoclean) (unused)
> snd-synth-emu8000 5984 0 (autoclean) (unused)
> snd-synth-emux 29264 0 (autoclean) [snd-synth-emu8000]
> snd-seq-virmidi 3760 0 (autoclean) [snd-synth-emux]
> snd-util-mem 1776 0 (autoclean) [snd-synth-emu8000
> snd-synth-emux]
> snd-synth-opl3 10448 0 (autoclean) (unused)
> snd-seq-midi-emul 4944 0 (autoclean) [snd-synth-emux
> snd-synth-opl3]
> snd-seq-instr 5488 0 (autoclean) [snd-synth-opl3]
> snd-ainstr-fm 1232 0 (autoclean) [snd-synth-opl3]
> snd-seq-oss 24032 0 (unused)
> snd-seq-midi-event 3248 0 [snd-seq-midi snd-seq-virmidi
> snd-seq-oss]
> snd-seq 41872 2 [snd-seq-midi snd-synth-emux
> snd-seq-virmidi snd-synth-opl3 snd-seq-midi-emul snd-seq-instr snd-seq-oss
> snd-seq-midi-event]
> snd-pcm-oss 45744 0
> snd-mixer-oss 11248 0 [snd-pcm-oss]
> snd-pcm 62784 2 [snd-sb16-dsp snd-pcm-oss]
> snd-opl3 6752 0 [snd-card-sbawe snd-synth-opl3]
> snd-timer 12448 0 [snd-seq snd-pcm snd-opl3]
> snd-hwdep 4464 0 [snd-sb16-csp snd-opl3]
> snd-rawmidi 14496 0 [snd-mpu401-uart snd-seq-midi
> snd-seq-virmidi]
> snd-emu8000 11776 0 [snd-card-sbawe snd-synth-emu8000]
> snd-seq-device 4224 0 [snd-seq-midi snd-synth-emu8000
> snd-synth-emux snd-synth-opl3 snd-seq-oss snd-seq snd-opl3 snd-rawmidi
> snd-emu8000]
> snd 34240 6 [snd-card-sbawe snd-sb16-dsp snd-sb16-csp
> snd-sb-common snd-mpu401-uart snd-seq-midi snd-synth-emux snd-seq-virmidi
> snd-util-mem snd-synth-opl3 snd-seq-midi-emul snd-seq-instr snd-seq-oss
> snd-seq-midi-event snd-seq snd-pcm-oss snd-mixer-oss snd-pcm snd-opl3
> snd-timer snd-hwdep snd-rawmidi snd-emu8000 snd-seq-device]
> soundcore 4016 10 [snd]
> 3c509 7216 1 (autoclean)
> isa-pnp 29072 0 (autoclean) [snd-card-sbawe 3c509]
>
> the isapnp.conf looks like:
>
> (CONFIGURE CTL0047/268464536 (LD 0
> # ANSI string -->Audio<--
>
> # Multiple choice time, choose one only !
>
> # Start dependent functions: priority preferred
> # IRQ 5.
> # High true, edge sensitive interrupt (by default)
> (INT 0 (IRQ 5 (MODE +E)))
> # First DMA channel 1.
> # 8 bit DMA only
> # Logical device is a bus master
> # DMA may execute in count by byte mode
> # DMA may not execute in count by word mode
> # DMA channel speed in compatible mode
> (DMA 0 (CHANNEL 1))
> # Next DMA channel 5.
> # 16 bit DMA only
> # Logical device is a bus master
> # DMA may not execute in count by byte mode
> # DMA may execute in count by word mode
> # DMA channel speed in compatible mode
> (DMA 1 (CHANNEL 5))
> # Logical device decodes 16 bit IO address lines
> # Minimum IO base address 0x0220
> # Maximum IO base address 0x0220
> # IO base alignment 1 bytes
> # Number of IO addresses required: 16
> (IO 0 (SIZE 16) (BASE 0x0220))
> # Logical device decodes 16 bit IO address lines
> # Minimum IO base address 0x0330
> # Maximum IO base address 0x0330
> # IO base alignment 1 bytes
> # Number of IO addresses required: 2
> (IO 1 (SIZE 2) (BASE 0x0330))
> # Logical device decodes 16 bit IO address lines
> # Minimum IO base address 0x0388
> # Maximum IO base address 0x0388
> # IO base alignment 1 bytes
> # Number of IO addresses required: 4
> (IO 2 (SIZE 4) (BASE 0x0388))
>
> # End dependent functions
> (NAME "CTL0047/268464536[0]{Audio }")
> (ACT Y)
> ))
> (CONFIGURE CTL0047/268464536 (LD 2
> # ANSI string -->WaveTable<--
>
> # Multiple choice time, choose one only !
>
> # Start dependent functions: priority preferred
> # Logical device decodes 16 bit IO address lines
> # Minimum IO base address 0x0620
> # Maximum IO base address 0x0620
> # IO base alignment 1 bytes
> # Number of IO addresses required: 4
> (IO 0 (SIZE 4) (BASE 0x0620))
> # End dependent functions
> (NAME "CTL0047/268464536[2]{WaveTable }")
> (ACT Y)
> ))
>
>
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