UEFI GOP: screen goes blank during boot after loader is finished
Rebecca Cran
rebecca at bluestop.org
Thu Nov 15 19:10:10 UTC 2018
On Wednesday, 14 November 2018 19:56:56 MST Warner Losh wrote:
> What is the ConOut evifar look like? We set serial when the UEFI env says
> to do so.
Booting with:
sudo bhyve -A -P -c 2 -H -m 4G -s 0:0,hostbridge -s 31:0,lpc -s 2,ahci-
cd,FreeBSD-12.0-BETA4-amd64-disc1.iso -s
29,fbuf,tcp=0.0.0.0:5900,w=800,h=600,wait -l bootrom,/usr/local/share/uefi-
firmware/BHYVE_UEFI.fd -u vm5
dh in the shell shows:
7D: ConsoleOut SimpleTextOut GraphicsOutput(GraphicsOutput)
PCIIO DevicePath(PciRoot (0x0)/Pci(0x1D,0x0))
84: StdErr ConsoleOut ConsoleIn SimpleTextOut SimpleTextInEx SimpleTextIn
DevicePath(t(115200,8,N,1)/VenVt100Plus())
89: SimpleTextOut SimpleTextInEx SimpleTextIn DevicePath(Uart(115200,8,N,1)/
VenPcAnsi())
--
Rebecca
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