How to disable RandR

[Jason Kim]

It seems RANDR is builtin extension, so it is initialized if needed even
if you set "RandR" to false.

You could set "noRRExtension = TRUE" in xorg-server/os/utils.c file when
you build X server. I don't know the side effects of this though.  It
works for me ;)



On Thu, 2008-09-11 at 21:03 +0200, Tino Keitel wrote:
> On Tue, Sep 09, 2008 at 02:00:10 +0200, Tino Keitel wrote:
> > Hi,
> > 
> > I try to get dualhead working with a driver that doesn't seem to
> > support RandR 1.2 together with the intel driver.
> > 
> > I was told that this doesn't work. In my case, I get a server crash
> > when the intel driver tries to initialize RandR:
> > 
> > (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled
> > message.
> > 
> > Backtrace:
> > 0: X(xf86SigHandler+0x81) [0x80c82f1]
> > 1: [0xffffe400]
> > 2: X(xf86RandR12SetRotations+0x6b) [0x80fc8fb]
> > 3: X(xf86CrtcScreenInit+0x9e) [0x80f8b3e]
> > 4: /usr/lib/xorg/modules/drivers//intel_drv.so [0xb7d039ec]
> > 5: X(AddScreen+0x1fc) [0x80764ec]
> > 6: X(InitOutput+0x21e) [0x80a7dbe]
> > 7: X(main+0x28b) [0x8076c6b]
> > 8: /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7ec2455]
> > 9: X(FontFileCompleteXLFD+0x1e1) [0x80761e1]
> > 
> > I tried to disable RandR with a serverflags section, which doesn't seem
> > to be enough. This is from the same server log:
> > 
> > (**) Option "RandR" "false"
> > 
> > How can I get the intel driver to skip the RandR stuff?
> 
> Hi again,
> 
> I'd be glad if someone could point be to the relevant part of the
> source code, so that I can build an intel driver that doesn't
> initialize RandR at all, if this is possible in a simple way.
> 
> Regards,
> Tino
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