Excerpts from Christoph Hellwig's message of June 8, 2020 2:19 am: > Can you do a listing using gdb where this happens? > > gdb vmlinux > > l *(snd_pcm_hw_params+0x3f3) > > ? > (gdb) l *(snd_pcm_hw_params+0x3f3) 0xffffffff817efc85 is in snd_pcm_hw_params (.../linux/sound/core/pcm_native.c:749). 744 while (runtime->boundary * 2 <= LONG_MAX - runtime->buffer_size) 745 runtime->boundary *= 2; 746 747 /* clear the buffer for avoiding possible kernel info leaks */ 748 if (runtime->dma_area && !substream->ops->copy_user) 749 memset(runtime->dma_area, 0, runtime->dma_bytes); 750 751 snd_pcm_timer_resolution_change(substream); 752 snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP); 753
