On Sun, 2024-04-28 at 11:52 -0400, Lyude Paul wrote:
> But we can't get a page pointer from an allocation made by
> dma_alloc_coherent() - but we can from vmalloc(). I'll fix the patch
> explanation in the next version, I have to send out another version
> anyhow since I realized that patch #2
On Fri, 2024-04-26 at 15:47 +, Timur Tabi wrote:
> On Fri, 2024-04-26 at 11:41 -0400, Lyude Paul wrote:
> > We hit this because when initializing firmware of type
> > NVKM_FIRMWARE_IMG_DMA we allocate coherent memory and then attempt
> > to
> > include that coherent memory in a scatterlist.
>
On Fri, 2024-04-26 at 11:41 -0400, Lyude Paul wrote:
> We hit this because when initializing firmware of type
> NVKM_FIRMWARE_IMG_DMA we allocate coherent memory and then attempt to
> include that coherent memory in a scatterlist.
I'm sure this patch is a good one, and I will try to test it
Currently, enabling SG_DEBUG in the kernel will cause nouveau to hit a
BUG() on startup:
kernel BUG at include/linux/scatterlist.h:187!
invalid opcode: [#1] PREEMPT SMP NOPTI
CPU: 7 PID: 930 Comm: (udev-worker) Not tainted 6.9.0-rc3Lyude-Test+ #30
Hardware name: MSI MS-7A39/A320M
