Re: [Xen-devel] Xen 4.3.2 -- nvidia binary driver possible

[Gordan Bobic <gordan@xxxxxxxxxx>]

On 07/23/2014 12:09 AM, Georg Bege wrote:
> Hello
>
> I'd like to ask about the possible using of the nvidia binary driver,
> along with Xen on Dom0.
The most recent driver that works for me is the 319.xx series (I think 
the current latest one of those is 319.82, which is what I'm using). 
Later drivers build but cause Xorg to fail with the error you pasted.
> It's obvious not working, there are a few hits on Google regarding this,
> most are however outdated.
> I didn't find a clear answer if this is possible to fix or not.
>
> I can remember that I once had this setup in an older system,
> maybe something like Linux 2.6 and much older binary driver.
> There was the famous "IGNORE_XEN_PRESENCE" flag - these information
> seems to be outdated.
> The driver compiles fine, but if I want to startx:
>
> -----------------------------------------snip---------------------------------
> ...
> [   208.771] (II) NVIDIA(0): Validated MetaModes:
> [   208.771] (II) NVIDIA(0):     "DFP-0:1280x1024,DFP-2:1280x1024"
> [   208.771] (II) NVIDIA(0): Virtual screen size determined to be 2560 x
> 1024
> [   208.793] (--) NVIDIA(0): DPI set to (85, 83); computed from
> "UseEdidDpi" X config
> [   208.793] (--) NVIDIA(0):     option
> [   208.793] (**) NVIDIA(0): Enabling 32-bit ARGB GLX visuals.
> [   208.793] (--) Depth 24 pixmap format is 32 bpp
> [   208.794] (II) NVIDIA: Using 3072.00 MB of virtual memory for
> indirect memory
> [   208.794] (II) NVIDIA:     access.
> [   208.803] (II) NVIDIA(0): Setting mode "DFP-0:1280x1024,DFP-2:1280x1024"
> [   208.930] (EE) NVIDIA(0): Failed to allocate sofware rendering cache
> surface: out of
> [   208.930] (EE) NVIDIA(0):     memory.
> [   208.930] (EE) NVIDIA(0):  *** Aborting ***
> [   208.971] (EE)
> Fatal server error:
> -----------------------------------------snip---------------------------------
>
> My system is Gentoo Linux 3.12.21 (64bit), the nvidia driver is of
> 337.25 revision.
I mentioned something like this on one of the Xen lists about 2 weeks 
ago. Switch to 319.82 driver and it should work fine. IIRC, that 
compiles fine on 3.12.xx kernels. For later kernels you'll need some 
additional patches for the nvidia driver (I can provide a patch against 
3.13 and 3.14, I am currently running a 3.14 kernel.
Gordan

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