On Tue, 26 Aug 2008 10:18:56 -0700 "ext Steve Sakoman" <sakoman@xxxxxxxxx> wrote: > > Sounds indeed strange. Can you track is the pcm_file->substream > > getting zeroed somewhere after it is set in snd_pcm_open_file? Like > > printing both address of pcm_file and pcm_file->substream. > > I don't believe that it is the SNDRV_PCM_IOCTL_START that writes a > null in substream, so it is likely something in alsa-lib :-( > One thing came to my mind that does your kernel and user space (E)ABI match? I rememeber that there were some strange IOCTL related errors with ALSA mixers if the kernel was compiled with CONFIG_EABI and CONFIG_OABI_COMPAT but Debian was using legacy ABI. > It isn't confidence inspiring to see comments like /* AB: FIXME!!! > This is definitely nonsense */ in snd_pcm_info (the function where it > finally crashes) > Heh, that's true. Jarkko -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html