Hi Lee, Your guess is correct. The buffers are allocated in the trigger callback, I attached the module source to the my email but it got lost...?!? Sorry for that, maybe this time it's better: http://www.pecore.ch/test/ep93xx-i2s.c.txt Thanks again Andrea --- Lee Revell <rlrevell@xxxxxxxxxxx> wrote: > 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 > ____________________________________________________________________________________ It's here! Your new message! Get new email alerts with the free Yahoo! Toolbar. http://tools.search.yahoo.com/toolbar/features/mail/ _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
