On Tue, 23 Jan 2024 10:43:04 +0100
Christian König wrote:
> While applying the fix a week ago I was under the impression that QXL
> doesn't use a device structure because it doesn't have one and so can't
> give anything meaningful for this parameter.
>
> If QXL does have a device structure and
Am 23.01.24 um 03:52 schrieb Steven Rostedt:
On Tue, 23 Jan 2024 12:32:39 +1000
Dave Airlie wrote:
On Tue, 23 Jan 2024 at 12:21, Dave Airlie wrote:
On Tue, 23 Jan 2024 at 12:15, Steven Rostedt wrote:
On Mon, 22 Jan 2024 19:56:08 -0500
"Bhardwaj, Rajneesh" wrote:
On 1/22/2024 7:43 PM,
On Tue, 23 Jan 2024 12:32:39 +1000
Dave Airlie wrote:
> On Tue, 23 Jan 2024 at 12:21, Dave Airlie wrote:
> >
> > On Tue, 23 Jan 2024 at 12:15, Steven Rostedt wrote:
> > >
> > > On Mon, 22 Jan 2024 19:56:08 -0500
> > > "Bhardwaj, Rajneesh" wrote:
> > >
> > > >
> > > > On 1/22/2024 7:43 PM,
On Tue, 23 Jan 2024 at 12:21, Dave Airlie wrote:
>
> On Tue, 23 Jan 2024 at 12:15, Steven Rostedt wrote:
> >
> > On Mon, 22 Jan 2024 19:56:08 -0500
> > "Bhardwaj, Rajneesh" wrote:
> >
> > >
> > > On 1/22/2024 7:43 PM, Linus Torvalds wrote:
> > > > On Mon, 22 Jan 2024 at 15:17, Steven Rostedt
>
On Tue, 23 Jan 2024 at 12:15, Steven Rostedt wrote:
>
> On Mon, 22 Jan 2024 19:56:08 -0500
> "Bhardwaj, Rajneesh" wrote:
>
> >
> > On 1/22/2024 7:43 PM, Linus Torvalds wrote:
> > > On Mon, 22 Jan 2024 at 15:17, Steven Rostedt wrote:
> > >> Perhaps this is the real fix?
> > > If you send a signed
On Mon, 22 Jan 2024 19:56:08 -0500
"Bhardwaj, Rajneesh" wrote:
>
> On 1/22/2024 7:43 PM, Linus Torvalds wrote:
> > On Mon, 22 Jan 2024 at 15:17, Steven Rostedt 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
On Mon, 22 Jan 2024 at 16:56, Bhardwaj, Rajneesh
wrote:
>
> 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)
Please use lore.kernel.org that doesn't corrupt whitespace in patches
o
[AMD Official Use Only - General]
-Original Message-
From: Steven Rostedt
Sent: Monday, January 22, 2024 6:19 PM
To: LKML
Cc: Linus Torvalds ; Bhardwaj, Rajneesh
; Kuehling, Felix ; Koenig,
Christian ; dri-devel@lists.freedesktop.org
Subject: Re: [BUG] BUG: kernel NULL pointer
On 1/22/2024 7:43 PM, Linus Torvalds wrote:
On Mon, 22 Jan 2024 at 15:17, Steven Rostedt 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
On Mon, 22 Jan 2024 at 15:17, Steven Rostedt wrote:
>
> Perhaps this is the real fix?
If you send a signed-off version, I'll apply it asap.
Thanks,
Linus
On 1/22/2024 7:34 PM, Steven Rostedt wrote:
On Mon, 22 Jan 2024 19:29:41 -0500
"Bhardwaj, Rajneesh" wrote:
In one of my previous revisions of this patch when I was experimenting,
I used something like below. Wonder if that could work in your case
and/or in general.
diff --git a/drivers/gpu
On Mon, 22 Jan 2024 19:29:41 -0500
"Bhardwaj, Rajneesh" wrote:
>
> In one of my previous revisions of this patch when I was experimenting,
> I used something like below. Wonder if that could work in your case
> and/or in general.
>
>
> diff --git a/drivers/gpu/drm/ttm/ttm_device.c
> b/drive
On 1/22/2024 6:06 PM, Steven Rostedt wrote:
I just kicked off testing some patches on top of 6.8-rc1 and triggered this
immediately:
[ note this happened on both my 32 bit an 64 bit test machines, this is
just the 32 bit output ]
BUG: kernel NULL pointer dereference, address: 0238
#
On Mon, 22 Jan 2024 18:15:47 -0500
Steven Rostedt wrote:
> > ttm_pool_init(&bdev->pool, dev, dev_to_node(dev), use_dma_alloc,
> > use_dma32); <<<--- BUG!
> >
> > Specifically, it appears that dev is NULL and dev_to_node() doesn't like
> > having a NULL pointer passed to it.
> >
>
>
On Mon, 22 Jan 2024 18:06:05 -0500
Steven Rostedt wrote:
> qxl_ttm_init+0x34/0x130
>
> int ttm_device_init(struct ttm_device *bdev, const struct ttm_device_funcs
> *funcs,
> struct device *dev, struct address_space *mapping,
> struct drm_vma_offset_manag
I just kicked off testing some patches on top of 6.8-rc1 and triggered this
immediately:
[ note this happened on both my 32 bit an 64 bit test machines, this is
just the 32 bit output ]
BUG: kernel NULL pointer dereference, address: 0238
#PF: supervisor read access in kernel mode
#PF: er
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