[Bug 83708] [vdpau,uvd] kernel oops, Unable to handle kernel paging request at virtual address

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Sep 24 02:28:55 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=83708

--- Comment #14 from Michel Dänzer <michel at daenzer.net> ---
(In reply to comment #13)
> This patch can solve the address problem.

writel() and readl() already convert to/from little endian. Does it work better
if you remove cpu_to_le32() from all lines using those functions?


> @@ -751,22 +748,12 @@
>  	}
>  
>  	/* stitch together an UVD destroy msg */
> -#if 0
> -	msg[0] = cpu_to_le32(0x00000de4);
> -	msg[1] = cpu_to_le32(0x00000002);
> -	msg[2] = cpu_to_le32(handle);
> -	msg[3] = cpu_to_le32(0x00000000);
> -	for (i = 4; i < 1024; ++i)
> -		msg[i] = cpu_to_le32(0x0);
> -#endif
> -#if 1
>  	writel(cpu_to_le32(0x00000de4),&msg[1]);
>          writel(cpu_to_le32(0x00000002),&msg[2]);
>          writel(cpu_to_le32(handle),&msg[3]);
>          writel(cpu_to_le32(0x00000000),&msg[4]);
>          for (i = 4; i < 1024; ++i)
>                  writel(cpu_to_le32(0x0),&msg[i]);
> -#endif
>  	radeon_bo_kunmap(bo);
>  	radeon_bo_unreserve(bo);

Why are you enabling this code?

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