[drm/ttm] Memory corruption problem when ttm_tt_init() fails.

[Tetsuo Handa]

On 2020/07/14 18:13, Gu Jinxiang wrote:
> I've encountered [BUG: unable to handle kernel NULL pointer dereference at] which has call stack like your pattern2.
> And before this happended, I got a lot of memory allocation failure warnings.
> And my kernel is 3.10.0-327.62.1.el7.x86_64.
> 
> Since, you mentioned it may be a bug of drm/tmm. So, I checked drm/ttm for possible patch to fix this problem, but found nothing.
> Could you please tell me is there any progress of this problem that you detected.

I'm not aware of any progress on https://patchwork.kernel.org/patch/5681611/ .