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

2020-07-28 Thread Dave Airlie
On Wed, 15 Jul 2020 at 17:00, Tetsuo Handa wrote: > > 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 > > w

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

2020-07-15 Thread 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