uname -m: x86_64
distri: Ubuntu Jaunty
Display: HDMI Panasonic
While booting my system with monitor powered off, Xorg won't start and crashes with:
(EE) intel(0): No valid modes.
0: /usr/bin/X(xorg_backtrace+0x26) [0x4f1d86]
1: /usr/bin/X(xf86SigHandler+0x41) [0x478311]
2: /lib/libc.so.6 [0x7f88e2ef6040]
3: /usr/lib/xorg/modules/drivers//intel_drv.so [0x7f88e0f3ccc6]
4: /usr/bin/X(xf86DeleteScreen+0x7e) [0x48086e]
5: /usr/bin/X(InitOutput+0xe1d) [0x46fbdd]
6: /usr/bin/X(main+0x20e) [0x433d2e]
7: /lib/libc.so.6(__libc_start_main+0xe6) [0x7f88e2ee15a6]
8: /usr/bin/X [0x433369]
Saw signal 11. Server aborting.
ddxSigGiveUp: Closing log
See full Xorg.0.log.
When monitor is powered on, Xorg starts perfect with the correct modes.
Xorg should start always, also without monitor connected.
Boot system without monitors connected.
Created attachment 26714 [details]
Created attachment 26715 [details]
this is a known server issue.
*** This bug has been marked as a duplicate of bug 14611 ***