From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1hOqVx-00015u-S4 for mharc-grub-devel@gnu.org; Thu, 09 May 2019 17:23:41 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52276) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hOqVv-00014o-Le for grub-devel@gnu.org; Thu, 09 May 2019 17:23:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hOqVu-0002If-RN for grub-devel@gnu.org; Thu, 09 May 2019 17:23:39 -0400 Received: from mout.gmx.net ([212.227.15.18]:53557) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hOqVu-0002Hm-GZ for grub-devel@gnu.org; Thu, 09 May 2019 17:23:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1557437016; bh=EcDmqFR2UtMQl523N4uVGEMnMpWnXtRL8r+q5YbKnOs=; h=X-UI-Sender-Class:Date:From:To:Subject:References:In-Reply-To; b=CfzTKE3GnYtTjnfHPmSXVny3zYVO/DgEF9pHcSLwMEwTe46HVMD+EgPDBgjLa/deM 8DukBGe0rerMM+Q/FiCtvj/+zYSJaijNjRpKN/MgZrOfUgFoFTCKUwv04lnj7AQjGc QR+VcbohpKZ0nzc6UOLs3pHcKwr0/iDL4dHb15FQ= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from scdbackup.webframe.org ([79.222.46.132]) by mail.gmx.com (mrgmx002 [212.227.17.190]) with ESMTPSA (Nemesis) id 0MY7dI-1hBjTs385o-00UqtD for ; Thu, 09 May 2019 23:23:36 +0200 Date: Thu, 09 May 2019 23:21:54 +0200 From: "Thomas Schmitt" To: grub-devel@gnu.org Subject: Re: grub-mkrescue: Problem with MBR partition table at start of EFI partition Content-Type: text/plain; charset="utf-8" References: In-Reply-To: Message-Id: <14893678539982599378@scdbackup.webframe.org> X-Provags-ID: V03:K1:t1RUWwT+TKCVpCXszCausDveSC50lMhEK5McGLOQ2TD+IltbBCg dxWI306NxdrzNNQX21qnicurMstHWRNJO72zyfjzDPhmQ010MPZuoqVE4cIFxUHFcx23vQY QvQFnTdrz9st+fpHM6YnC+Vy6XwEfLFar5Xv1QIqHoqXQQHdnIxy3Sayp+wpV63yllCU+d+ WWehsRGxSRytzEPyumnlQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:SIw+SLmrZTg=:gVmUAuv0iesw6/4k2nrQEp JP7pzBSTp4lWP+VfkdlFK3QJZbOPE0T50GsfEJtflXIDm3yFqTm7djGPGINZFOZnjwxSLjNar 2Lqt29H8k4CoSM2NpTDf9iLCCSK53raFaL0jNDzJen1kd7df+bZQBXYBIwA2LWxgbkwvvP+yB lJZ+m0lUIxrvw94QbdIEx3Y1ErulPkbHAdEnk57/iULZyjmYbI8SB/PwtSQTAYreypsvV9C3L C24JinLcRtpdO4AgFxRj0rK8uPy042cmqg1zzmve4i+23dw4yZd97Oj5a710iJjHAGRMxZQDh m8IrgICgEsdFH2477jvGdZQpV8LYmlwzOjJtvmrlBVxMJQYSAhcDRd45xBALVJLUu/cl3JRQJ hM9HCxNX3woHCvrW797zvSr4XLacKKJb6isri2cRuhmZOlG7rUtQNfxM2lL1PAyJj7RtYzSUE LXdW3eTRlBA3jzQYCnJ0fY+lyONy+7kXHl6H21ARrCtUSZlNbdD/fpxurlh0VCojv+qwWi71I TMGsnPK3vsrzZpHfw6wvkJtijAuEE+9hLc0SuJqEKtfZejw320qtYbipETdGW3tHVIhgX72kT vimjfRQEp6OT36pY09lVC3smVm+rYQzBWGcQq41dqUzRYldyM6God/DYIUVUZYalp7T5mR/0U YvSiXFJYCMR5nEC4VdwLzxLE2fhTLLG5O/9IRd9G0xTJ71PXXZYxY6gq9pvXbs/zk+7TVeZjU eeQVd5ayzOeWii70ZJYMEt8gryfceUx4UsUbpGIf7rkXXDr6daG+m67dKjUZ1oZR7szdsxtr9 i1KPt4siaxU7x/o/eODjS3vqrFFaI5ibOgbTfy5TK2+VM+/vYVVvQV2aj6+nrWSnv2MSwg0Sp 5DR7/scfs/fYWVcCZgQlh6uzYI42HAIGToCvFObILyjcapCfrOV8iCv5hnBOp7Z+FNrzsgWnN 8p6qCRHsrQw== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.15.18 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 May 2019 21:23:40 -0000 Hi, Chris Murphy wrote: > Fedora ISO's use isohybrid and have multiple partitions on their ISOs: > MBR, GPT, and APM. Well, the GPT is not valid because the MBR partition table is not "protective". It has a partition of type 0xEF embedded in a partition of type 0x00. Barely compliant to UEFI specs. Besides Fedora used by Debian, Ubuntu, Arch, Gentoo, and others. More or less the current mainstream. Nevertheless, this thread is about the MBR partition table entry at the start of the EFI FAT image, not at the start of the ISO filesystem. The ISO should have a partition table which marks the EFI partition. (Only Microsoft seems not to bother ...) Have a nice day :) Thomas