[alsa-devel] [PATCH v2 12/12] ASoC: SOF: Intel: hda-codec: fix memory allocation

[Yang, Libin]

Hi Takashi,


>>-----Original Message-----
>>From: Takashi Iwai [mailto:tiwai at suse.de]
>>Sent: Thursday, May 23, 2019 4:16 PM
>>To: Yang, Libin <libin.yang at intel.com>
>>Cc: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>; alsa-
>>devel at alsa-project.org; broonie at kernel.org
>>Subject: Re: [alsa-devel] [PATCH v2 12/12] ASoC: SOF: Intel: hda-codec:
>>fix memory allocation
>>
>>On Thu, 23 May 2019 10:03:03 +0200,
>>Yang, Libin wrote:
>>>
>>> Please let me describe the issue here.
>>>
>>> The test case is:
>>> 1) Unload module with script "sudo ./sof_remove.sh" ,
>>> 2) reload module with script "sudo ./sof_insert.sh"
>>>
>>> After several rounds of removing and inserting kernel modules, system
>>> will complain like below:
>>> "BUG: unable to handle kernel paging request at 000000292a282031"
>>
>>Did you try some kernel debug options?  It might show what went wrong.
>
>No, I haven't. I'm not sure which options I can use for this case. Could you
>please give me some suggestions?

BTW: I have enabled DEBUG_DEVRES. Are there any other options I can try?

Regards,
Libin 

>
>Regards,
>Libin
>
>>
>>
>>Takashi