Hello list!
I'm encountering an issue with GRUB 2.02.beta2-5 in which I can't seem
to chain load a windows partition on my USB stick
The relevant portion of my config is included below:
--grub.cfg
insmod part_msdos
set winpe3=(hd0,msdos6)
menuentry "Windows PE 3.1" {
insmod ntldr
insmod ntfs
set root=${winpe3}
ntldr /bootmgr
}
--end cfg
When booting my Windows PE installation from this configuration, I
receive the error below:
--
File: \Boot\BCD
Status: [octal garbage]
Info: An error occurred while attempting to read the boot configuration
data.
--
The error seems to obviously point to the boot configuration data as
being corrupted or incorrect. However, when I bypass GRUB and boot
directly from /dev/sda6, Windows PE boots completely normally,
suggesting that not only is the BCD data completely fine, but even the
PBR seems to be working properly. I have also tried chainloading using
the following configuration
--grub.cfg
insmod part_msdos
set winpe3=(hd0,msdos6)
menuentry "Windows PE 3.1" {
insmod chain
insmod ntfs
set root=${winpe3}
chainloader +1
}
--end cfg
This configuration doesn't even get me as far as the bootmgr error.
Instead, I just get the less than descriptive message, "Boot error".
Everything I have seen gives me more than ample reason to believe the
boot data on this partition is completely valid. That leaves me with the
conclusion that I have somehow misconfigured GRUB. Does anyone have any
pointers for additional troubleshooting? Any suggestions or help greatly
appreciated! Thanks in advance!
--
James Lott
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