Re: UEFI GOP: screen goes blank during boot after loader is finished

From: Rebecca Cran <rebecca_at_bluestop.org>
Date: Thu, 15 Nov 2018 12:10:07 -0700
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
Received on Thu Nov 15 2018 - 18:10:10 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:19 UTC