linux-kernel - Re: Regression: memory corruption on Atmel SAMA5D31

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Message-ID: <ae13fd5e-050b-b41d-b8d5-c8b339ee4528@axentia.se>
Date:   Sat, 30 Jul 2022 13:37:40 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     Tudor.Ambarus@...rochip.com, regressions@...mhuis.info,
        Nicolas.Ferre@...rochip.com, alexandre.belloni@...tlin.com
Cc:     du@...ntia.se, Patrice.Vilchez@...rochip.com,
        Cristian.Birsan@...rochip.com, Ludovic.Desroches@...rochip.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        gregkh@...uxfoundation.org, saravanak@...gle.com,
        dmaengine@...r.kernel.org
Subject: Re: Regression: memory corruption on Atmel SAMA5D31

2022-07-29 at 22:09, Peter Rosin wrote:
> 2022-07-28 at 10:39, Tudor.Ambarus@...rochip.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