Difference between revisions of "Troubleshooting"
From Open Sound System
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*multiple clients to same device aren't supported on FreeBSD version. Either set programs to use separate devices, or use sound server like aRts, esd, etc. | *multiple clients to same device aren't supported on FreeBSD version. Either set programs to use separate devices, or use sound server like aRts, esd, etc. | ||
*Is vmix loaded? | *Is vmix loaded? | ||
| − | **If | + | ** If yes, Is vmix attached to the default output device? (Check if 'ossinfo -v3' shows more than one engine for the default output device). |
| + | ** (Doesn't apply to build 1016:) If vmix is not attached, make sure vmix1_masterdev in vmix.conf is set to the output device's device index (this can be determined via 'ossinfo -a'). | ||
== I can't get sound/volume control from an application! == | == I can't get sound/volume control from an application! == | ||
*See [[Configuring_Applications_for_OSSv4 | Configuring Applications for OSSv4]] | *See [[Configuring_Applications_for_OSSv4 | Configuring Applications for OSSv4]] | ||
Revision as of 23:26, 1 July 2008
This page provide general troubleshooting tips. If these cannot help to solve a problem with OSS, you may wish to consult the 4front support forum.
Contents
General
- Always read your driver's manpage. You can get the name of driver from 'ossinfo'.
- Always test with osstest.
- When consulting the forum, attach the output of 'ossinfo -v3' and 'ossmix'.
How do I...
- Change mixer settings - ossmix (command line), ossxmix (GUI)
- Start and shut down OSS - soundon, soundoff (both require root)
- Save and restore mixer settings - savemixer (saving requires write permissions for mixer.save)
- Build OSS from source
- Other Tips And Tricks
I can't hear any sound!
- Did OSS load at all?
- Does osstest work?
- Are the outputs muted in the mixer?
- Is the default soundcard (the one linked to /dev/dsp) the one connected? If not, see here how to change that.
- HDAudio: Are the jacks detected by OSS as output, actually the jacks connected to the speaker?
- Is this an hardware issue?
- Are the speakers muted?
- Is the soundcard connected correctly to the speakers?
- Do other drivers available for your OS (e.g. ALSA for Linux, FreeBSD native) work?
I hear noises!
- Many soundcards' hardware requires output mixers be set to less than maximum (60% at times).
- Set vmix0-src to an higher setting.
- Is the cable from the soundcard to the speakers connected correctly? Could it be too long?
- Build and use OSS using the source from public hg repository.
I can't get multiple sound clients to play on the same device!
- multiple clients to same device aren't supported on FreeBSD version. Either set programs to use separate devices, or use sound server like aRts, esd, etc.
- Is vmix loaded?
- If yes, Is vmix attached to the default output device? (Check if 'ossinfo -v3' shows more than one engine for the default output device).
- (Doesn't apply to build 1016:) If vmix is not attached, make sure vmix1_masterdev in vmix.conf is set to the output device's device index (this can be determined via 'ossinfo -a').
