Date: Tue, 31 Mar 2015 17:09:16 +0800 From: Marcelo Araujo <araujobsdport@gmail.com> To: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com> Cc: freebsd-xen <freebsd-xen@freebsd.org> Subject: Re: Unable to load multiboot kernel. Message-ID: <CAOfEmZjLDbRGEgTAQvjgejWBr182U3fO_CgCdp-OJmAYPb3jgw@mail.gmail.com> In-Reply-To: <551A4789.6070508@citrix.com> References: <CAOfEmZgT9nyJfEe5Z39qT9OSWkAa9RVY4xs0b4CjqN=3JJUU1A@mail.gmail.com> <55196D2F.8040203@citrix.com> <CAOfEmZh9ypr6qM4RqmxAZvghmOtUR=uoAHkWjMCOzeNmuZJTOg@mail.gmail.com> <551985BB.6050706@citrix.com> <CAOfEmZjOd7_dPxo40mykJ6MAdqf1OBPqmhOt%2BjQpPfNPL47Q%2BQ@mail.gmail.com> <551A4789.6070508@citrix.com>
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2015-03-31 15:06 GMT+08:00 Roger Pau Monn=C3=A9 <roger.pau@citrix.com>: > Hello, > > El 31/03/15 a les 5.26, Marcelo Araujo ha escrit: > > Hi Roger, > > > > Yes, seems my BIOS is not correctly reporting the extended memory size. > > The value that I got from my box is: > > > > bios_extmem: 0xff00000 memtop_copyin: 0x10000000 memtop: 0x10000000 > > > > I did check my BIOS if there is any suspicious options that may mess up > > with the memory, but I didn't find nothing. I will check if there is an= y > > new BIOS version. > > > > Do you have any other idea? > > Can you boot a bare metal kernel with boot_verbose=3D"YES" and copy the > memory map reported by FreeBSD when booting? > > There's also a recent change to biosmem.c which touched extended memory > detection, r279222. Could you try to revert that commit and see if it > makes any difference? > > Roger. > Hi, Here is the memory map from boot: real memory =3D 17179869184 (16384 MB) Physical memory chunk(s): 0x0000000000010000 - 0x0000000000098fff, 561152 bytes (137 pages) 0x0000000000100000 - 0x00000000001fffff, 1048576 bytes (256 pages) 0x0000000001b32000 - 0x000000000fffffff, 239919104 bytes (58574 pages) 0x000000001000b000 - 0x00000000a069dfff, 2422812672 bytes (591507 pages) 0x0000000100000000 - 0x0000000432df2fff, 13738389504 bytes (3354099 pages) avail memory =3D 16297324544 (15542 MB) I reverted everything to r279220 and rebuilt world/kernel, doesn't make any difference. I'm gonna try to make some more debugs tonight, in case you want me test anything else, let me know. Best Regards, --=20 --=20 Marcelo Araujo (__)araujo@FreeBSD.org \\\'',)http://www.FreeBSD.org <http://www.freebsd.org/>; \/ \ ^ Power To Server. .\. /_)
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