On 4/10/07, Ciaccia <ciacciax@xxxxxxxxx> wrote: > Could someone of you explain to me why I have to > enable the interrupts before calling kmalloc? The > strange thing is that the module never explicitly > turns them off (I attached the file to the mail) > I guess you're allocating memory in the trigger callback which is atomic meaning that the ALSA middle layer always calls it with interrupts disabled. It's a bug to call a function that can sleep with interrupts disabled. The standard way to do it is to allocate your buffers in a callback that can sleep like prepare. See numerous examples in other ALSA drivers. Of course without seeing your code, this is all guesswork... Lee _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
