Ubuntu
alsa-driver package

  1. Bug #1551041
  2. Comment #90

Comment 90 for bug 1551041

Revision history for this message
Raymond (superquad-vortex2) wrote :

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/core/pcm_lib.c?id=f5914908a5b7b2338f210e56827a1ef35585dc6d

To debug the ptr position at period interrupt, you need alsa driver build with debug which allow you to enable trace point to log the ptr position in system