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

Yang, Libin libin.yang at intel.com
Thu May 23 10:21:20 CEST 2019


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?

Regards,
Libin

>
>
>Takashi


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