linux-kernel - Re: [BUG] BUG: kernel NULL pointer dereference at ttm_device

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Date: Tue, 23 Jan 2024 12:32:39 +1000
From: Dave Airlie <airlied@...il.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: "Bhardwaj, Rajneesh" <rajneesh.bhardwaj@....com>, 
	Linus Torvalds <torvalds@...ux-foundation.org>, LKML <linux-kernel@...r.kernel.org>, 
	Felix Kuehling <Felix.Kuehling@....com>, Christian König <christian.koenig@....com>, 
	dri-devel@...ts.freedesktop.org, Fedor Pchelkin <pchelkin@...ras.ru>
Subject: Re: [BUG] BUG: kernel NULL pointer dereference at ttm_device_init+0xb4

On Tue, 23 Jan 2024 at 12:21, Dave Airlie <airlied@...il.com> wrote:
>
> On Tue, 23 Jan 2024 at 12:15, Steven Rostedt <rostedt@...dmis.org> wrote:
> >
> > On Mon, 22 Jan 2024 19:56:08 -0500
> > "Bhardwaj, Rajneesh" <rajneesh.bhardwaj@....com> wrote:
> >
> > >
> > > On 1/22/2024 7:43 PM, Linus Torvalds wrote:
> > > > On Mon, 22 Jan 2024 at 15:17, Steven Rostedt<rostedt@...dmis.org>  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@gmail.com/T/#u
>
> should also fix it, Linus please apply it directly if Steven has a
> chance to give it a run.

I see Linus applied the other one, that's fine too.

Dave.