On 27/04/18 20:42, Sinan Kaya wrote:
On 4/27/2018 11:54 AM, Robin Murphy wrote:
ubuntu@ubuntu:~/amdgpu$_./vectoradd_hip.exe
[ 834.002206] create_process:620
[ 837.413021] Unable to handle kernel NULL pointer dereference at virtual
address 0018
£5 says that's sg_dma_len(NULL), which im
On 4/27/2018 11:54 AM, Robin Murphy wrote:
>
>> ubuntu@ubuntu:~/amdgpu$_./vectoradd_hip.exe
>> [ 834.002206] create_process:620
>> [ 837.413021] Unable to handle kernel NULL pointer dereference at virtual
>> address 0018
>
> £5 says that's sg_dma_len(NULL), which implies either that someth
On 4/27/2018 11:54 AM, Robin Murphy wrote:
>> I'm taking this back. I observed a crash with the HSA applications:
>
> FWIW, was this working before, or is this somewhere new that we're only
> reaching now that pin_userpages can succeed?
Yes, HSA application is a different test. Previous DRM libr
On 25/04/18 21:44, Sinan Kaya wrote:
On 4/17/2018 5:13 PM, Sinan Kaya wrote:
Tested-by: Sinan Kaya
using QDF2400 and XFX Vega64 GPU for the first two patches.
./builddir/tests/amdgpu/amdgpu_test -s 1
Suite: Basic Tests
Test: Userptr Test ...passed
Userptr Test fails without this patch.
On 4/17/2018 5:13 PM, Sinan Kaya wrote:
> Tested-by: Sinan Kaya
>
> using QDF2400 and XFX Vega64 GPU for the first two patches.
>
> ./builddir/tests/amdgpu/amdgpu_test -s 1
>
> Suite: Basic Tests
> Test: Userptr Test ...passed
>
> Userptr Test fails without this patch.
I'm taking this back
On 4/17/2018 11:58 AM, Robin Murphy wrote:
> The amdgpu driver doesn't appear to directly use the scatterlist mapped
> by amdgpu_ttm_tt_pin_userptr(), it merely hands it off to
> drm_prime_sg_to_page_addr_arrays() to generate the dma_address array
> which it actually cares about. Now that the latte
