Re: Backported sbxfi driver (UNTESTED!)

[Jason Harvey <softdevice@jasonline.co.uk>]

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Takashi Iwai wrote:
> Just to be sure: is it the driver with my patch or without the patch?
> The patch seems broken anyway, so abandon it, and check only without
> the patch from now on.
>   
Have reverted to unpatched version, now logging kernel messages to a file.
The attached is the output for debug=2 from running the mplayer with the 
oss proc fix.
WARNING... the gzip expands to 4.5MB, which explains the overflow on the 
dmesg ring buffer.
But only the first hundred lines and last ten are different, the rest 
are all the same as far as I could see.

The only things I noticed that does change is that the repeated lines 
start like this :-

Oct 23 20:45:28 sentry kernel: SBXFI: IRQ = 
0x500                                                     
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 
0x3e0                                                 
Oct 23 20:45:28 sentry kernel: SBXFI: SET TIMER TICKS = 
16                                            
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 
0x3e0                                                 
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 0x3e0

And that the pattern changes after a short time dropping one of the 
POINTER lines.
Screen output below to show commands used.

Regards,
Jason

[root@sentry alsa-driver-unstable]# modprobe snd_sbxfi 
debug=2               
[root@sentry alsa-driver-unstable]# cat /var/log/kernel
Oct 23 20:44:00 sentry kernel: imklog 3.18.1, log source = /proc/kmsg 
started.
Oct 23 20:44:47 sentry kernel: ACPI: PCI Interrupt 0000:04:01.0[A] -> 
GSI 22 (level, low) -> IRQ 22
Oct 23 20:44:47 sentry kernel: SBXFI: INIT 
HW                                                     
Oct 23 20:44:47 sentry kernel: SBXFI: DAOIMAP 
CLEAR                                               
Oct 23 20:44:47 sentry kernel: SBXFI: INIT 
DAC                                                    
Oct 23 20:44:47 sentry kernel: SBXFI: SETUP 
I2S                                                   
[root@sentry alsa-driver-unstable]# echo mplayer 0 0 direct > 
/proc/asound/card0/pcm0p/oss             
[root@sentry alsa-driver-unstable]# cd ..
[root@sentry ~]# mplayer wn.wav         
MPlayer dev-SVN-r26936-4.3.0 (C) 2000-2008 MPlayer Team
CPU: Intel(R) Celeron(R) CPU 2.53GHz (Family: 15, Model: 4, Stepping: 9)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 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 wn.wav.
Audio file file format detected.
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder              
AUDIO: 48000 Hz, 2 ch, s16le, 1536.0 kbit/100.00% (ratio: 192000->192000)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)                  
==========================================================================
AO: [pulse] Init failed: Connection refused                              
*** PULSEAUDIO: Unable to connect: Connection refused                    
*** Is your sound server running?                                        
*** See: http://www.pulseaudio.org/wiki/Troubleshooting                  
[AO_ALSA] Playback open error: Connection refused                        
AO: [oss] 96000Hz 2ch s16le (2 bytes per sample)                         
Video: no video                                                          
Starting playback...                                                     
A:   0.0 (00.0) of 241.0 (04:01.0) 
??,?%                                                                   

MPlayer interrupted by signal 2 in module: play_audio


MPlayer interrupted by signal 2 in module: play_audio
[root@sentry ~]# cat /var/log/kernel |more
Oct 23 20:44:00 sentry kernel: imklog 3.18.1, log source = /proc/kmsg 
started.
Oct 23 20:44:47 sentry kernel: ACPI: PCI Interrupt 0000:04:01.0[A] -> 
GSI 22 (level, low) -> IRQ 22
Oct 23 20:44:47 sentry kernel: SBXFI: INIT 
HW                                                     
Oct 23 20:44:47 sentry kernel: SBXFI: DAOIMAP 
CLEAR                                               
Oct 23 20:44:47 sentry kernel: SBXFI: INIT 
DAC                                                    
Oct 23 20:44:47 sentry kernel: SBXFI: SETUP 
I2S                                                   
Oct 23 20:45:28 sentry kernel: SBXFI: Allocate SRC 
0                                              
Oct 23 20:45:28 sentry kernel: SBXFI: allocated TLB at 0 for 16 
pages                             
Oct 23 20:45:28 sentry kernel: SBXFI: Setting TLB buffer page 
0x1304a000                          
Oct 23 20:45:28 sentry kernel: SBXFI: release TLB at 0 for 16 
pages                               
Oct 23 20:45:28 sentry kernel: SBXFI: Disabling TLB 
buffer                                        
Oct 23 20:45:28 sentry kernel: SBXFI: PLAYBACK PREPARE: rate=96000, 
period_size=1024, buffer_size=16384
Oct 23 20:45:28 sentry kernel: SBXFI: Pitch [0:fa6] = 
0x1000000                                       
Oct 23 20:45:28 sentry kernel: SBXFI: Pitch [80:7a6] = 
0x1000000                                      
Oct 23 20:45:28 sentry kernel: SBXFI: Pitch [1:fb6] = 
0x1000000                                       
Oct 23 20:45:28 sentry kernel: SBXFI: Pitch [81:7b6] = 
0x1000000                                      
Oct 23 20:45:28 sentry kernel: SBXFI: Amp [00:0001] = 
0x555                                           
Oct 23 20:45:28 sentry kernel: SBXFI: Amp [80:0801] = 
0x555                                           
Oct 23 20:45:28 sentry kernel: SBXFI: Amp [01:0011] = 
0x555                                           
Oct 23 20:45:28 sentry kernel: SBXFI: Amp [81:0811] = 
0x555                                           
Oct 23 20:45:28 sentry kernel: SBXFI: DAOIMAP 
CLEAR                                                   
Oct 23 20:45:28 sentry kernel: SBXFI: PLAY TRIGGER 
START                                              
Oct 23 20:45:28 sentry kernel: SBXFI: PLAY UPDATE 
TIMER                                               
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 
0x3e0                                                 
Oct 23 20:45:28 sentry kernel: SBXFI: SET TIMER TICKS = 
16                                            
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 
0x3e0                                                 
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 
0x3e0                                                 
Oct 23 20:45:28 sentry kernel: SBXFI: IRQ = 
0x500                                                     
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 
0x3e0                                                 
Oct 23 20:45:28 sentry kernel: SBXFI: SET TIMER TICKS = 
16                                            
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 
0x3e0                                                 
Oct 23 20:45:28 sentry kernel: SBXFI: POINTER = 0x3e0


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