How to catch wild writes to system memory, and IOMMU errors

deathsimple@xxxxxxxxxxx (Christian König) · Thu, 16 Feb 2017 10:03:32 +0100

Am 16.02.2017 um 02:49 schrieb Michel DÃ¤nzer:
> On 15/02/17 06:42 PM, Christian KÃ¶nig wrote:
>> IOMMU might not help here, cause when it would be the GPU we would have
>> made a mapping once and then the page in question is never unmapped (IIRC).
> That sounds like something which should be fixed if possible.
Actually now that you mention it, wasn't there a kernel commandline 
option to force that? Need to dig up the docs.

Christian.