intel-batchbuffer and DRI2

[Stefano Avallone]

Hi,

I compiled the git master version of mesa, drm, xserver (as described in 
http://hoegsberg.blogspot.com/2008/02/building-and-installing-drmdrix-stack.html ) 
and the intel-batchbuffer branch of the intel driver. My laptop is a sony 
vaio with intel graphics:

00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated 
Graphics Controller (rev 0c)

DRI2 seems to be correctly initialized. However, the X server does not start. 
The log file (attached) reports the following errors:

(EE) intel(0): Failed to mprotect ring buffer: Permission denied
(EE) intel(0): Failed to mprotect DRI memory manager: Permission denied
(EE) intel(0): Failed to mprotect front buffer: Permission denied
(EE) intel(0): Failed to mprotect exa G965 state buffer: Permission denied
(EE) intel(0): Failed to mprotect HW cursors: Permission denied

Backtrace:
0: ./Xorg(xf86SigHandler+0x79) [0x80c1c89]
1: [0xb7f1f400]
2: /usr/local/src/install/lib/xorg/modules/drivers//intel_drv.so [0xb7a28fca]
3: ./Xorg(AddScreen+0x19d) [0x806fc6d]
4: ./Xorg(InitOutput+0x1c5) [0x80a5645]
5: ./Xorg(main+0x2d6) [0x8070436]
6: /lib/i686/cmov/libc.so.6(__libc_start_main+0xe0) [0xb7ba0450]
7: ./Xorg(FontFileCompleteXLFD+0x20d) [0x806fa21]

Please note that the X server starts if I use the git master version of the 
intel driver (no dri2, of course).

Any hint how to solve the problem would be greatly appreciated. I can do more 
testing, if needed.

cheers,
Stefano
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