Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 30 Mar 2022 12:57:02 -0400
From:      Ed Maste <emaste@freebsd.org>
To:        Ravi Pokala <rpokala@freebsd.org>
Cc:        src-committers <src-committers@freebsd.org>,  "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org
Subject:   Re: 868c1b8431f2 - main - fstyp: detect Raspberry Pi Pico boot filesystem as FAT
Message-ID:  <CAPyFy2CBrg5Se6sF=S=8Qc1dNLaCr7oN4E25W-kXuOucHOaHEg@mail.gmail.com>
In-Reply-To: <ED18364E-18F5-4662-89AA-2838F3A253C1@panasas.com>
References:  <202203292133.22TLXbxW035667@gitrepo.freebsd.org> <ED18364E-18F5-4662-89AA-2838F3A253C1@panasas.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 29 Mar 2022 at 19:05, Ravi Pokala <rpokala@freebsd.org> wrote:
>
> "0x55 0xaa" at offset 510 is the signature for a (P)MBR partition table, not a FAT filesystem.

The FAT boot sector (also) uses a signature of 0x55 0xAA at offset
510, although not all FAT filesystem images have it. A later fstyp
change should remove this check altogether, but I want to find a
variety of FAT images first for testing.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAPyFy2CBrg5Se6sF=S=8Qc1dNLaCr7oN4E25W-kXuOucHOaHEg>