Regression: memory corruption on Atmel SAMA5D31

Peter Rosin peda at axentia.se
Wed May 18 00:51:04 PDT 2022


2022-05-18 at 08:21, Tudor.Ambarus at microchip.com wrote:
> On 5/17/22 17:50, Peter Rosin wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>> 2022-04-11 at 08:21, Tudor.Ambarus at microchip.com wrote:
>>> There are some concurrency bugs in the at-hdmac (DMA) driver, I'm handling them
>>> and will come with a resolution. Disabling the DMA showed the bug is no more
>>> reproducible.
>>
>> Any news?
>>
> 
> I'm now allocated on this, so I started looking around what has to be done.
> I'm thinking of using virt-dma to manage the channels and the request queues.
> Will get back to you after I'll have something working.

Sounds good, thanks!

Cheers,
Peter



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