On 4/28/21 2:57 AM, Marco Rebhan wrote:
> Hi,
> 
> I'm getting the same issue on kernel 5.12.0 after upgrading from 
> 5.11.16. For me, so far the error always occurs a short while after 
> boot.
> 
>> Could you please help to apply a debug patch and gather some debug 
>> information when it reproduces ?
> 
> I could do that as well, which patch should I apply?

Could you please try the attached patch ?  If a suspicious bio
allocation happens, this patch will print out a warning kernel message
and avoid the BUG() panic.

Thank you in advance.

Coly Li