I have e mediaserver based on an Intel D2700DC motherboard installed with ubuntu server 12.04.2 64bit. It is installed with Lubuntu dekstop but I have set it to only start LXDE/Lightdm manually.
When i boot the server i have to have a monitor attached. If I have no monitor attached it halts very early in the boot sequesce. So early that there is nothing in dmesg or other logs.
It seems like it is the first or second diskread after grub that halts - like if it is during the load of the kernel.
My problem is that since there is no monitor when the halts happens I am not able to diagnose it. Likewise if I attach a monitor the server boots normally.
I have had different option set in /etc/default/grub under GRUB_CMDLINE_LINUX_DEFAULT=""
like console=tty1 and nomodeset
Now I have nothing cmdline options
I have run update-grub after setting or deleting the GRUB_CMDLINE_LINUX_DEFAULT="".
Any ideas at to what causes this behavior?
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