No, that's not this... because I've upgraded arm9loaderhax v2 today. Juste before I've tried LinuxArm9, and black screen appears too.
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+ I have a arm9loaderhax .cia Linux (I don't where I found it, but it's installed a long time ago) and it's works...
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+ I have a arm9loaderhax .cia Linux (I don't where I found it, but it's installed a long time ago) and it's works...