On Mon, Jun 1, 2009 at 5:10 AM, Takashi Iwai <tiwai at suse.de> wrote: > Thanks. So, something wrong in the mmap handling. > I'll take a look later in this week. Looks like ct_map_audio_buffer calls ct_vm_map under spinlock; ct_vm_map calls get_vm_block which calls kzalloc with GFP_KERNEL. Lee