At Wed, 5 Sep 2007 18:04:30 -0500, Lopez Cruz, Misael wrote: > > Hi, > > I'm experiencing kernel crashes in an omap platform when playing audio > files with 'aplay -M' (mmap option) the second time a file is played. The behavior depends on the alsa-lib setup. Doesn't the default config use dmix, right? If so, it looks like an access to wrong mapped pages. > Any suggestion where to start debugging this? Is there a common cause > for this failure? Check substream->mmap_count. It's incremented/decremented in snd_pcm_mmap_data_open/close in include/pcm.h. It has to reach to zero properly with closing a PCM stream. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
