Date: Tue, 16 May 2017 17:45:40 +0200 From: Harry Schmalzbauer <freebsd@omnilan.de> To: Toomas Soome <tsoome@me.com> Cc: freebsd-stable@freebsd.org Subject: Re: EFI loader doesn't handle md_preload (md_image) correct? Message-ID: <591B1EA4.600@omnilan.de> In-Reply-To: <591B1A8B.6070803@omnilan.de> References: <591B12C6.4040301@omnilan.de> <DD0FE9CA-48C9-4A77-81FD-8CA139D95543@me.com> <591B1A8B.6070803@omnilan.de>
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Bezüglich Harry Schmalzbauer's Nachricht vom 16.05.2017 17:28 (localtime): > Bezüglich Toomas Soome's Nachricht vom 16.05.2017 16:57 (localtime): >>> On 16. mai 2017, at 17:55, Harry Schmalzbauer <freebsd@omnilan.de> wrote: >>> >>> Hello, >>> >>> unfortunately I had some trouble with my preferred MFS-root setups. >>> It seems EFI loader doesn't handle type md_image correctly. >>> >>> If I load any md_image with loader invoked by gptboot or gptzfsboot, >>> 'lsmod' >>> shows "elf kernel", "elf obj module(s)" and "md_image". >>> >>> Using the same loader.conf, but EFI loader, the md_image-file is >>> prompted and sems to be loaded, but not registered. There's no md_image >>> with 'lsmod', hence it's not astonsihing that kernel doesn't attach md0 >>> so booting fails since there's no rootfs. >>> >>> Any help highly appreciated, hope Toomas doesn't mind beeing initially CC'd. >>> >>> Thanks, >>> >>> -harry >> >> The first question is, how large is the md_image and what other modules are loaded? > Thanks for your quick response. > > The images are 50-500MB uncompressed (provided by gzip compressed file). > Small ammount of elf modules, 5, each ~50kB. On the real HW, there's vmm and some more: Id Refs Address Size Name 1 46 0xffffffff80200000 16M kernel 2 1 0xffffffff8121d000 86K unionfs.ko 3 1 0xffffffff81233000 3.1M zfs.ko 4 2 0xffffffff81545000 51K opensolaris.ko 5 7 0xffffffff81552000 279K usb.ko 6 1 0xffffffff81598000 67K ukbd.ko 7 1 0xffffffff815a9000 51K umass.ko 8 1 0xffffffff815b6000 46K aesni.ko 9 1 0xffffffff815c3000 54K uhci.ko 10 1 0xffffffff815d1000 65K ehci.ko 11 1 0xffffffff815e2000 15K cc_htcp.ko 12 1 0xffffffff815e6000 3.4M vmm.ko 13 1 0xffffffffa3a21000 12K ums.ko 14 1 0xffffffffa3a24000 9.1K uhid.ko Providing md_image uncompressed doesn't change anything. Will deploy a /usr separated rootfs, which is only ~100MB uncompressed and see if that changes anything. That's all I can provide, code is far beyond my knowledge... -harry
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