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Re: [Xen-devel] Nvidia drivers on Xen with dom0 pvops on ultra-recent "git tip"kernel on x86_64

From: Andrew Lyon <andrew.lyon@xxxxxxxxx>

Date: Fri, 24 Apr 2009 08:43:15 +0100

Delivery-date: Fri, 24 Apr 2009 00:43:47 -0700

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List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On Thu, Apr 23, 2009 at 10:49 PM, Nigel Gamble <nigel@xxxxxxx> wrote: > On Feb 24, 2009, at 1:51 PM, Andrew Lyon wrote: > >> On Tue, Feb 24, 2009 at 9:22 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> >> wrote: >>> >>> Boris Derzhavets wrote: >>>> >>>> X-Server fails to start on GeForce 8500 GT >>>> Attempting "startx" i get a trace back. >>>> Does it mean , that a proper NVIDIA driver is just not available for the >>>> most recent >>>> 2.6.29-rc5 ? >>>> >>> >>> Are you using the nvidia binary driver? I would be surprised if it >>> worked >>> out of the box; if changes need to be made to the binary parts, it may >>> not >>> be fixable at all. >>> >>> J >> >> I believe the current driver works with Xen because somebody outside >> of nvidia contributed a patch, I use the nvidia binary driver with Xen >> 3.2.1 and my custom dom0 kernel which is 2.6.27.10 patched with >> openSUSE Xen patches rebased to apply to vanilla, it works very well >> but when pv_ops is merged into mainline the nvidia driver will >> probably work when it is running on the bare metal but not under Xen >> :(. >> >> Having said that the patch for Xen support only touched the open >> source parts of the driver, as soon as the current problems with hvm >> on pv_ops are fixed I will be testing pv_ops and nvidia driver and I >> will attempt to fix any problems, my C skills are improving so I might >> be able to figure it out. > > > Did you ever figure this out? I've just hit the same problem. It looks > like the source code part of the Nvidia kernel module has the code necessary > to work on an old Xen Linux, but if it detects CONFIG_PARAVIRT set for a > pv_ops kernel, it gives up an doesn't attempt to work with Xen at all. > > Nigel > hvm is still not working with pv_ops dom0 so I've not looked at it. With a traditional patched Xen dom0 kernel you can use IGNORE_XEN_PRESENCE=y to bypass the CONFIG_PARAVIRT check. Andy Andy _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

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