(In reply to Mathieu Belanger from comment #45)
> Just an update : Still no new "random" crash since patch applied.
> 
> The only crash I got since patch applied are some partial and recoverable
> crash that occurred due to insufficient voltage to the overclocked CPU.
> 
> So that WIP patch did fix some of the crashs in this bug report but not all.

Unfortunately I wasn't so lucky, I got both ransom and provoked sdma freeze
soon afzer disabling the nodma variable :(