On Friday 31 May 2002 13:55, Takashi Iwai wrote:
> it seems like no interrupts are generated during playback.
> could you check whether the status in /proc/interrupts is changed
> during playback?
>
> also, could you check whether capture works? capture uses a different
> SGD, so it might work individually from playback.
>
>
> (BTW, CD and line-ine can be heard without problems, since they are
> routed directly throught ac97, so no sound engine is needed.)
>
>
> thanks,
>
> Takashi
Hi Takashi,
I tried it, and here are the results:
Before playing:
tussen root # cat /proc/interrupts
CPU0
0: 3875633 XT-PIC timer
1: 6924 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 21629 XT-PIC usb-uhci, usb-uhci, eth0
9: 0 XT-PIC acpi
11: 0 XT-PIC VIA8233
12: 305308 XT-PIC PS/2 Mouse
14: 60038 XT-PIC ide0
15: 45 XT-PIC ide1
NMI: 0
LOC: 3875608
ERR: 4810
MIS: 0
Start playing file:
tussen root # aplay /usr/kde/3/share/sounds/pop.wav
Playing WAVE '/usr/kde/3/share/sounds/pop.wav' : Signed 16 bit Little Endian,
Rate 44100 Hz, Mono
ALSA lib pcm_hw.c:413:(snd_pcm_hw_drain) SNDRV_PCM_IOCTL_DRAIN failed:
Input/output error
While playing file:
tussen root # cat /proc/interrupts
CPU0
0: 3882996 XT-PIC timer
1: 6940 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 21629 XT-PIC usb-uhci, usb-uhci, eth0
9: 0 XT-PIC acpi
11: 0 XT-PIC VIA8233
12: 305536 XT-PIC PS/2 Mouse
14: 60050 XT-PIC ide0
15: 45 XT-PIC ide1
NMI: 0
LOC: 3882972
ERR: 4810
MIS: 0
After playing file:
tussen root # cat /proc/interrupts
CPU0
0: 3892526 XT-PIC timer
1: 6950 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 21629 XT-PIC usb-uhci, usb-uhci, eth0
9: 0 XT-PIC acpi
11: 0 XT-PIC VIA8233
12: 305744 XT-PIC PS/2 Mouse
14: 60074 XT-PIC ide0
15: 45 XT-PIC ide1
NMI: 0
LOC: 3892501
ERR: 4810
How can I test the capture? Do you mean that I have to plug in a microphone
and record a sound or so?
Thanks,
Niek.
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