My network installation via PXE breaks when graphical installation starts, here my program.log:

Running... /bin/mount -n -t auto -o ro,loop=/dev/loop0 /tmp/install.img /mnt/runtime 07:51:29,617 INFO : Running... ['udevadm', 'trigger', '--action=add', '--subsystem-match=net'] 07:51:29,660 INFO : Running... ['udevadm', 'trigger', '--action=add', '--subsystem-match=block'] 07:51:29,812 INFO : Running... ['udevadm', 'settle', '--timeout=300'] 07:51:30,454 INFO : Running... ['udevadm', 'trigger', '--action=add', '--subsystem-match=net'] 07:51:30,494 INFO : Running... ['udevadm', 'settle', '--timeout=300'] 07:51:33,182 INFO : Running... ['metacity', '--display', ':1', '--sm-disable'] 07:51:33,689 ERROR : Window manager warning: 0 stored in GConf key /desktop/gnome/peripherals/mouse/cursor_size is out of range 1 to 128 07:51:35,442 INFO : Running... ['xrandr', '-q'] 07:51:35,458 INFO : Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1280 x 1024 07:51:35,458 INFO : default connected 1280x1024+0+0 0mm x 0mm 07:51:35,459 INFO : 1280x1024 60.0* 75.0 07:51:35,459 INFO : 1280x960 60.0 07:51:35,459 INFO : 1280x854 75.0 60.0 07:51:35,459 INFO : 1280x800 75.0 60.0 07:51:35,459 INFO : 1152x864 75.0 60.0 07:51:35,460 INFO : 1280x768 75.0 60.0 07:51:35,460 INFO : 1280x720 75.0 60.0 07:51:35,460 INFO : 1024x768 75.0 70.0 60.0 07:51:35,460 INFO : 1024x576 75.0 60.0 07:51:35,461 INFO : 960x600 60.0 07:51:35,461 INFO : 832x624 75.0 07:51:35,461 INFO : 960x540 60.0 07:51:35,461 INFO : 800x600 75.0 72.0 60.0 56.0 07:51:35,462 INFO : 768x576 60.0 07:51:35,462 INFO : 720x576 60.0 07:51:35,462 INFO : 856x480 60.0 07:51:35,462 INFO : 848x480 60.0 07:51:35,462 INFO : 800x480 75.0 60.0 07:51:35,463 INFO : 720x480 61.0 07:51:35,463 INFO : 640x480 75.0 73.0 67.0 60.0 07:51:35,463 INFO : 720x400 70.0 07:51:35,463 INFO : 640x400 72.0 07:51:35,464 INFO : 512x384 60.0 07:51:35,464 INFO : 400x300 60.0 07:51:35,464 INFO : 320x240 61.0 07:51:35,464 INFO : 320x200 71.0 07:51:35,464 ERROR : xrandr: Failed to get size of gamma for output default 07:51:37,200 ERROR : Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x80000d (CentOS Ins) 07:51:37,201 ERROR : Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.

I tried to change monitor but I got the same result.