Red Hat Bugzilla – Bug 585619
Xorg seg faults on start-up when no monitor is attached
Last modified: 2010-12-03 10:28:13 EST
Created attachment 408920 [details]
Xorg log produced when no monitor is attached
Description of problem:
Xorg server fails to start at system boot when no monitor is connected to system. The last few lines of the Xorg.0.log file contain a backtrace and indicate a segmentation fault.
(II) Unloading /usr/lib/xorg/modules/drivers/fbdev_drv.so
(II) UnloadModule: "fbdevhw"
(II) Unloading /usr/lib/xorg/modules/linux/libfbdevhw.so
0: /usr/bin/Xorg (xorg_backtrace+0x3c) [0x80e5dbc]
1: /usr/bin/Xorg (0x8048000+0x5ef66) [0x80a6f66]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0x54e40c]
3: /usr/bin/Xorg (xf86InitViewport+0x66) [0x816e8c6]
4: /usr/bin/Xorg (InitOutput+0xca0) [0x80b7440]
5: /usr/bin/Xorg (0x8048000+0x1a8b5) [0x80628b5]
6: /lib/libc.so.6 (__libc_start_main+0xe6) [0x6debb6]
7: /usr/bin/Xorg (0x8048000+0x1a661) [0x8062661]
Segmentation fault at address 0x18
Fatal server error:
Caught signal 11 (Segmentation fault). Server aborting
If I reboot with a monitor connected to the system, everything appears fine.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Disconnect monitor from computer
Xorg is not running
Xorg should be running
Xorg also fails to start if I attempt to execute it from the command-line without a monitor attached.
Video card is: 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 AGP 8x] (rev c1)
Created attachment 408921 [details]
Xorg log produced when a monitor is attached
I have attached the log file that gets generated when a monitor is attached. So basically, the only difference here is that with a monitor, Xorg starts as expected.
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