Re: [BUG] BUG: kernel NULL pointer dereference at ttm_device_init+0xb4

From: Dave Airlie
Date: Mon Jan 22 2024 - 21:41:02 EST


On Tue, 23 Jan 2024 at 12:15, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> On Mon, 22 Jan 2024 19:56:08 -0500
> "Bhardwaj, Rajneesh" <rajneesh.bhardwaj@xxxxxxx> wrote:
>
> >
> > On 1/22/2024 7:43 PM, Linus Torvalds wrote:
> > > On Mon, 22 Jan 2024 at 15:17, Steven Rostedt<rostedt@xxxxxxxxxxx> wrote:
> > >> Perhaps this is the real fix?
> > > If you send a signed-off version, I'll apply it asap.
> >
> >
> > I think a fix might already be in flight. Please see Linux-Kernel
> > Archive: Re: [PATCH] drm/ttm: fix ttm pool initialization for
> > no-dma-device drivers (iu.edu)
> > <https://lkml.iu.edu/hypermail/linux/kernel/2401.1/06778.html>
>
> Please use lore links. They are much easier to follow and use.

https://lore.kernel.org/dri-devel/20240123022015.1288588-1-airlied@xxxxxxxxx/T/#u

should also fix it, Linus please apply it directly if Steven has a
chance to give it a run.

Thanks,
Dave.