[SailfishDevel] How to change Virtual box's screen orientation

[itviewer]

Hi，
    I have tried build nemo for VirtualBox，and now it can start into glacier ui.
    In the kickstart file（.ks）,the bootloader option is ：
        bootloader --timeout=20 --append="vga=0x343 vt.global_cursor_default=0" --location=mbr
    so，the screen mode is 800*600*32.

    I tried to set vga=ask，then boot it，but all options for select do not include 600*800（width*height mode？）
    I don't familiar with Virtual box and Linux kernel，the question is how to change the screen orientation,rotate 90 degrees to 600*800？
    
    Thanks every friend.



ma xinjun
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