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Subject: Re: Regression: memory corruption on Atmel SAMA5D31
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From:   Peter Rosin <peda@axentia.se>
To:     Tudor.Ambarus@microchip.com, regressions@leemhuis.info,
        Nicolas.Ferre@microchip.com, alexandre.belloni@bootlin.com
Cc:     du@axentia.se, Patrice.Vilchez@microchip.com,
        Cristian.Birsan@microchip.com, Ludovic.Desroches@microchip.com,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        gregkh@linuxfoundation.org, saravanak@google.com,
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2022-07-29 at 22:09, Peter Rosin wrote:
> 2022-07-28 at 10:39, Tudor.Ambarus@microchip.com wrote:
>> Looks like I've already caught an oops in at-hdmac driver when not using virt-dma,
>> see below. Would you please test with all the patches from [2] instead of just
>> using the patch from [1]? I've run stress tests over night by using [2] and
>> everything went fine on my side.
>>
>> Cheers,
>> ta
>>
>> [2] To github.com:ambarus/linux-0day.git
>>  * [new branch]                at-hdmac-virt-dma-2nd-iteration -> at-hdmac-virt-dma-2nd-iteration
> 
> Hi Tudor,
> 
> This last one feels very promising! It's been running for a few hours without
> incidents, so even if it isn't fixed it's several magnitudes better.
> 
> I'll leave it running for the night. Fingers crossed...

Reporting that it's still all good and that I think it's time to declare
victory.

Thanks a bunch for you effort!

Looking through the patches on that branch, I suspect not all of it will
be submitted upstream in that exact form. Please let me know when you have
a cleaned up series so that I can retest and add some tested-by tags to.

Cheers and thanks again,
Peter