Re: alsa.c mmap commit error

Chris Robinson <[email protected]> Sat, 05 May 2012 16:40:21 -0700
Newsgroups gmane.comp.lib.openal
Message-ID <2610633.oDpUbTpWxD@kittycat>
On Saturday, May 05, 2012 10:39:16 PM david hilbert wrote:
> Hi all!
> 
> We have created a very small piece of software on an ubuntu 10.04 machine
> using AL to play and position sound. Sometimes when we run it we get a
> runtime error saying:
> 
> AL lib: alsa.c:417: mmap commit error: Broken pipe
> 
> Does anybody know what that means? What are we most likely doing wrong? I
> tried to google the error message but it didn't make me any wiser...\

Hi.

Typically an error like that would mean there's an issue with the device, or 
something OpenAL Soft itself sets in combination with the device that it 
doesn't quite like. There's nothing specific to an app using OpenAL that 
should be able to cause it, though (this stuff is sufficiently abstracted 
away),

Can you say what sound hardware you have?
Do you use PulseAudio?
What version of OpenAL Soft?
Do you have any special settings in ~/.alsoftrc or /etc/openal/alsoft.conf?
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