Thanks Arunpravin, your patch applied to the 6.1-rc1 code built a kernel that loaded the amdgpu module on my pc with Cape Verde GPU card with no problems. Regards, Arthur. On 18 October 2022 7:10:45 am ACDT, Arunpravin Paneer Selvam <arunpravin.paneerselvam@xxxxxxx> wrote: >Hi Christian, > >Looks like we have to exit the loop if there are no blocks to compare. >May be that's why the function returns false. > >@Arthur Marsh Could you please test the attached patch. > >Thanks, >Arun > >On 10/17/2022 1:39 PM, Christian König wrote: >> Am 17.10.22 um 10:01 schrieb Dave Airlie: >>> On Mon, 17 Oct 2022 at 17:07, Christian König <christian.koenig@xxxxxxx> wrote: >>>> Hi Arun, >>>> >>>> the hw generation doesn't matter. This error message here: >>>> >>>> amdgpu: Move buffer fallback to memcpy unavailable >>>> >>>> indicates that the detection of linear buffers still doesn't work as >>>> expected or that we have a bug somewhere else. >>>> >>>> Maybe the limiting when SDMA moves are not available isn't working >>>> correctly? >>> It is a CAPE_VERDE, so maybe something with the SI UVD memory limitations? >> >> Yeah, good point. Could be that we try to move something into the UVD memory window and that something isn't allocated linearly. >> >> Arun can you trace the allocation and make sure that all kernel allocations have the CONTIGUOUS flag set? >> >> Thanks, >> Christian. >> >>> >>> Dave. >> -- Sent from my Android device with K-9 Mail. Please excuse my brevity.