Christopher K. wrote:
Kernel 2.6.38 has been freezing ever since rc1 on my asus p7p55d. After booting up, the kernel seems to use a lot of cpu-time and after 20-30 seconds the system comes to a complete halt.
I just finished bisecting 2.6.37 - 2.6.38-rc1 and found this commit to be responsible:
59ff878ffb26bc0be812ca8295799164f413ae88
Please try this patch:
--- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -425,6 +425,8 @@ static int snd_pcm_hw_params(struct snd_ runtime->no_period_wakeup = (params->info & SNDRV_PCM_INFO_NO_PERIOD_WAKEUP) && (params->flags & SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP); + runtime->hw_ptr_buffer_jiffies = + max(1uL, (runtime->buffer_size * HZ) / runtime->rate);
bits = snd_pcm_format_physical_width(runtime->format); runtime->sample_bits = bits; @@ -866,8 +868,6 @@ static void snd_pcm_post_start(struct sn struct snd_pcm_runtime *runtime = substream->runtime; snd_pcm_trigger_tstamp(substream); runtime->hw_ptr_jiffies = jiffies; - runtime->hw_ptr_buffer_jiffies = (runtime->buffer_size * HZ) / - runtime->rate; runtime->status->state = state; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && runtime->silence_size > 0)