Comment # 22
on bug 56139
from Alexandre Demers
(In reply to comment #21) > (In reply to comment #19) > > If I followed you correctly, setting bit 24 to "1" disables memory but keeps > > the CRTC state as it is (hopefully in sync with the monitor). However, what > > I see when grub2 kicks in with the "gfxpayload=keep" is an unsynced monitor. > > Sometimes the display will be black, other times it will only appear in the > > first couple of vertical lines, in others it will be vertically synced but > > shifted to the right at half or at two third of the screen. In other words, > > this really seems to be a sync problem. Should I try to combine patch 69113 > > and patch 69370 with the others? > > Are you saying the monitor gets messed up when grub kicks in? I.e., before > the OS loads? If so, that sounds like a grub issue. I'll take some pictures or record a small video of what's going on. That will be easier to understand. But yes, I'm beginning to think Grub2 is playing a bad trick somewhere in there and is not playing nicely when handling the framebuffer.
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