https://bugzilla.kernel.org/show_bug.cgi?id=206895 --- Comment #9 from bigbeeshane@xxxxxxxxx --- Also validated last night that the following patch to disable the merging of sg sections within dma-iommu fixes the issue I am seeing --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -779,7 +779,7 @@ static int __finalise_sg(struct device *dev, struct scatterlist *sg, int nents, * - but doesn't fall at a segment boundary * - and wouldn't make the resulting output segment too long */ - if (cur_len && !s_iova_off && (dma_addr & seg_mask) && + if (0 && cur_len && !s_iova_off && (dma_addr & seg_mask) && (max_len - cur_len >= s_length)) { I guess amdgpu needs to be updated to handle the case where the iommu driver is merging some of the requested segments ? -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
