On 2011-01-24 13:03 +0100, Ted Phelps wrote:
> I'm seeing what I believe is the same issue on my NV40 card (built-in
> graphics on an ASUS M2NPV-VM), and continue to see it even in
> 2.6.38-rc2. I've git bisected and the issue started with kernel git
> revision 72d7c3b: "x86: Use memblock to replace early_res" -- that's
> when the GPU lockup first appeared.
If so, it's hardly the same issue since the submitter of #608133 uses a
kernel that does not include this commit.
BTW, is CONFIG_NO_BOOTMEM set in your kernel configuration?
> After that patch, my dmesg output shows various memory ranges being
> mapped to different locations:
>
> -kernel direct mapping tables up to bfef0000 @ 100000-704000
> +kernel direct mapping tables up to bfef0000 @ 1f9fc000-20000000
> ...
> -kernel direct mapping tables up to 130000000 @ 1a31000-23b7000
> +kernel direct mapping tables up to 130000000 @ bf56a000-bfef0000
> ...
> - NODE_DATA [0000000100000000 - 0000000100004fff]
> - [ffffea0000000000-ffffea0004bfffff] PMD ->
> [ffff880100200000-ffff880103dfffff] on node 0
> + NODE_DATA [000000012fffb000 - 000000012fffffff]
> + [ffffea0000000000-ffffea0004bfffff] PMD ->
> [ffff88012c200000-ffff88012fdfffff] on node 0
> ...
> -PCI-DMA: aperture base @ 20000000 size 65536 KB
> +PCI-DMA: aperture base @ b8000000 size 65536 KB
>
> And this interesting message is no longer present:
>
> -early_res array is doubled to 64 at [16000 - 167ff]
>
> And, finally, the following lines are new post-72d7c3b:
>
> +[drm] nouveau 0000:00:05.0: PFIFO_DMA_PUSHER - Ch 0
> +[drm] nouveau 0000:00:05.0: GPU lockup - switching to software fbcon
>
> I haven't managed to work out if any of this means anything yet. Any
> guidance, even a suggestion of who to chase, would be greatly
> appreciated.
Since you have already bisected your problem, reporting it to the people
who signed off 72d7c3b as well as to nouv...@lists.freedesktop.org seems
to be a good idea to me.
Cheers,
Sven
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