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

[Takashi Iwai]

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.


Takashi