[bug #51056] Difference between PLoP and GRUB(USB boot)

[Dmytro]

URL:
  <http://savannah.gnu.org/bugs/?51056>

                 Summary: Difference between PLoP and GRUB(USB boot)
                 Project: GNU GRUB
            Submitted by: deoptim
            Submitted on: Thu 18 May 2017 12:14:03 PM UTC
                Category: Disk &amp; Partition
                Severity: Major
                Priority: 5 - Normal
              Item Group: Hardware-specific
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: 2.02~beta1
         Reproducibility: None
         Planned Release: None

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Details:

Hello.
Prior to this GRUB, I used GRUB4DOS bootloader and there was the same problem,
but it was already solved.

Problem:
When i use ntldr module to load bootmgr (on USB-flash drive) - I have error
with 0xc000000e code. And no matter, if I try to boot without init USB-drive
or with init USB-drive(nativedisk) - I had the same error code.

When an error does not occur:
If I load PLoP Boot Manager(linux16 /boot/plpbt.bin) and then try to boot
bootmgr via ntldr module - I no have this error code, and it work as it
should.

What does the PLoP bootloader and what does not do that GRUB bootloader?

Specifications:
Old PC with BIOS boot support USB (VT82xx/62xx)




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