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SubjectRe: next-0519 on thinkpad x60: sound related? window manager crash
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

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