Hi, I am at my wits end trying to make a Opti82C931 chip based card (MED 3931 ver.2.0) work on my Linux box. I have it working on my Wn95 and NT 4.0 OSs. I even had it working with OSS's mad16 driver. To be honest, I thing something is amiss or buggy here because ISA PnP doesn't seem to work as it should.
I have a Mandrake 8.1 installation, I compiled a new kernel with: 1. IsaPnP and generic PNP support 2. Sound kernel 3. No OSS modules or drivers were compiled into the kernel (I actually removed these, period) 4. I compiled with symbol versioning As for the Alsa stuff I: 1. Compiled the drivers with the following options: ./configure --with-isapnp=no \ --with-sequencer=yes \ --with-oss=yes \ --with-debug=full 2. I also made & installed the libraries, tools and utilities (in that order). 3. I followed the instructions in INSTALL to no avail. Here is what I have: /etc/modules.conf----------------- # ALSA: native device number alias char-major-116 snd # OSS/Free portion: kernel soundcore muliplexer + OSS compatibility alias char-major-14 soundcore # ALSA: toplevel soundcard alias snd-card-0 snd-opti93x # OSS/Free portion: OSS support alias sound-slot-0 snd-card-0 # /proc/isapnp # snd_fm_port - port # for OPL3 device (0x388) ?? options snd-opti93x snd_isapnp=0 snd_port=0x530 snd_fm_port=0x388 snd_mpu_port=0x330 snd_irq=10 snd_mpu_irq=9 snd_dma1=0 snd_dma2=1 # OSS/Free emulation modules alias sound-service-0-0 snd-mixer-oss alias sound-service-0-1 snd-seq-oss alias sound-service-0-3 snd-pcm-oss alias sound-service-0-8 snd-seq-oss alias sound-service-0-12 snd-pcm-oss /etc/modules.conf----------------- /etc/devfsd.conf----------------- # ALSA stuff #LOOKUP snd MODLOAD ACTION snd #REGISTER sound/.* EXECUTE /sbin/pam_console_apply #REGISTER snd/.* EXECUTE /sbin/pam_console_apply # New LOOKUP snd MODLOAD ACTION snd REGISTER ^sound/.* PERMISSIONS root.audio 660 REGISTER ^snd/.* PERMISSIONS root.audio 660 /etc/devfsd.conf----------------- Ok, this is what I have noticed (someone may already know these symptoms): 1. When I set the parameters via isapnp, the Alsa driver will change these. This seems to happen wether or not the parameters are the same. 2. The parameters that are shown by a pnpdump are all the same for WSS/MSS port number (0x534). ALSA driver snd-opt93x does not like this and generates an error.I have to use a 0x530. 3. The OPL device is not activated if I use ioport 0x380. I can use 0x388 though. 2. I can only seem to load the modules if I: a) do not activate the devices in the isapnp.conf files or b) use the snd_isapnp=0 option c) add "(CSN 1 (LD 0 ( REG 2 (POKE 4))))" to the isapnp.conf file and configure the card directly. Please note that, point b) occurs when I try to configure the card directly (see http://www.woodyweb.ca/~woody/opti931.html) Ok, now the interesting part. Once the driver is loaded I get the following modules into the system: lsmod ---------------------- Module Size Used by snd-opti93x 13344 0 snd-pcm 60192 0 [snd-opti93x] snd-opl3-lib 6864 0 [snd-opti93x] snd-timer 11792 0 [snd-pcm snd-opl3-lib] snd-hwdep 4528 0 [snd-opl3-lib] snd-mpu401-uart 3600 0 [snd-opti93x] snd-rawmidi 14144 0 [snd-mpu401-uart] snd-seq-device 4352 0 [snd-opl3-lib snd-rawmidi] snd 34848 0 [snd-opti93x snd-pcm snd-opl3-lib snd-timer snd-hwdep snd-mpu401-uart snd-rawmidi snd-seq-device] soundcore 4176 3 [snd] .... lsmod ---------------------- A few interesting observations: 1.) Although I configured interrupts 9 & 10, only interrupt 9 is listed. CPU0 0: 283776 XT-PIC timer 1: 13044 XT-PIC keyboard 2: 0 XT-PIC cascade 4: 16341 XT-PIC serial 8: 1 XT-PIC rtc 9: 0 XT-PIC MPU401 UART 13: 0 XT-PIC fpu 14: 16641 XT-PIC ide0 15: 1573 XT-PIC ide1 NMI: 0 ERR: 0 The count remains at 0 always. 2.) Attempts to play "au" or "midi" files generates this error (using aplay): ALSA ../alsa-kernel/core/pcm_lib.c:1871: playback write error (DMA or IRQ trouble?) ALSA ../alsa-kernel/core/pcm_native.c:1098: playback drain error (DMA or IRQ trouble?) ALSA ../alsa-kernel/core/pcm_native.c:1098: playback drain error (DMA or IRQ trouble?) ... The errors from aplay are: laying raw data '/usr/share/sndconfig/sample.midi' : Unsigned 8 bit, Rate 8000 Hz, Mono ALSA lib pcm_hw.c:407:(snd_pcm_hw_drain) SNDRV_PCM_IOCTL_DRAIN failed: Input/output error or Playing Sparc Audio '/usr/share/sndconfig/sample.au' : Mu-Law, Rate 8000 Hz, Mono aplay: pcm_write:968: write error: Input/output error 3.) Attempts to cat directly to the devices generates errors of "file descriptor in bad state" example "cat file > /proc/asound/dev/pcmC0D0p" 4.) When I unload the drivers using moprobe's -r option (with or without a following rmmod -a), "cat /proc/ioports", "cat /proc/dma" generates a segmentation fault. The alsa driver generates the following errors: ALSA ../../alsa-kernel/isa/opti9xx/opti92x-ad1848.c:1268: bad MAGIC (0x22) ALSA ../alsa-kernel/core/device.c:65: device free failure ALSA ../alsa-kernel/core/memory.c:74: Not freed snd_alloc_kmalloc = 100 ALSA ../alsa-kernel/core/memory.c:84: kmalloc(100) from c48644e7 not freed 5) Calling "alsamixer -c 0" always causes a core dump (Floating point exception) 6) Calling "amixer -c 0" always causes a core dump (Floating point exception) 7) Calling "amixer -c 0 contents" or "controls" seems to work 8) Attempts to change the mixer's values fails. I would like to know what steps I may take to diagnose/debug this problems. I think this is a question of the ISA configuration but I cannot seem to find the corrcet parameters. BTW, does anyone have the chip's datasheets. I cannot seem to get these from Opti's site. I have placed additional data at the end of this (already veruy long) e-mail in case this is also needed. TIA. Hugo Ferreira cat /proc/asound ------------------------ card0/ cards dev/ devices hwdep meminfo oss/ pcm seq/ timers version cat /proc/asound/card0/midi ------------------- MPU-401 (UART) Output 0 Tx bytes : 0 Input 0 Rx bytes : 0 cat /proc/asound/card0/pcm0c/info----------------- card: 0 device: 0 subdevice: 0 stream: CAPTURE id: OPTi 82C93X name: 82C931 subname: subdevice #0 class: 0 subclass: 0 subdevices_count: 1 subdevices_avail: 1 cat /proc/asound/card0/pcm0c/info----------------- card: 0 device: 0 subdevice: 0 stream: PLAYBACK id: OPTi 82C93X name: 82C931 subname: subdevice #0 class: 0 subclass: 0 subdevices_count: 1 subdevices_avail: 1 cat /proc/asound/devices ----------------- 0: [0- 0]: ctl 4: [0- 0]: hardware dependent 8: [0- 0]: raw midi 16: [0- 0]: digital audio playback 24: [0- 0]: digital audio capture 33: : timer ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Alsa-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-user