[Bug 3636] New: Shell appears to be stalled or so when started headless


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https://bugzilla.tianocore.org/show_bug.cgi?id=3636

Bug ID: 3636
Summary: Shell appears to be stalled or so when started
headless
Product: EDK2
Version: Current
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Lowest
Component: Code
Assignee: unassigned@tianocore.org
Reporter: tom.ty89@gmail.com
CC: edk2+bugs+int+994+563148131503455288@groups.io

I am trying to use the EDK2 shell to side-load an NVMe DXE driver on an old
machine so that grub on e.g. a USB drive can boot a Linux kernel / chainload
Windows on an NVMe drive. I have the shell as \EFI\Boot\bootx64.efi and the
following startup.nsh on the ESP:

load -nc %homefilesystem%\NvmExpressDxe.efi
connect -r
%homefilesystem%\EFI\arch\grubx64.efi


The plan pretty much worked, except that I would like to have the the machine
running headless and I don't actually have a monitor for it (I was using an
HDMI capture card to test / succeed).

Once the capturing card is off, the shell seems to just stall when I boot up.
Any pointer to what's blocking it?

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