Re: SOLVED: Re: How to sign a locally compiled kernel so it can be booted with UEFI.

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Once upon a time, stan via users <users@xxxxxxxxxxxxxxxxxxxxxxx> said:
> On Tue, 11 Jun 2019 08:39:12 -0700
> stan <upaitag@xxxxxxxx> wrote:
> > wasn't the signing, it was a missing code page for 8859-1.  This is
> > the default code page for vfat in the kernel, so it couldn't read
> > the /boot/efi partition.  Once I added the code page, the boot
> > succeeds as UEFI.   I'm going to try changing that default to utf-8
> > so I don't have to keep the 8859-1 code page.
> 
> The code page was a legitimate issue, but only part of the issue.
> When I tried utf-8 for the /boot/efi partition booting failed. There
> must be some hardcoded linking of vfat and ISO8859 somewhere.  I don't
> think there is a technical reason precluding the use of utf-8 with vfat.

The UEFI standard defines its own filesystem format that is a fixed
subset of FAT32.  Only ASCII and UCS-2 character encodings are
officially supported for long filename support.  Windows FAT32 includes
UTF-16 for LFN, but that's not supported in UEFI (UTF-8 is not even
mentioned).

-- 
Chris Adams <linux@xxxxxxxxxxx>
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