Date: Sat, 18 Nov 2006 19:32:26 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: freebsd-stable@freebsd.org Cc: "Bruce M. Simpson" <bms@FreeBSD.org> Subject: Re: bug on BTX Message-ID: <455F51BA.2090607@quip.cz> In-Reply-To: <45382F43.6020509@FreeBSD.org> References: <15af975d0609212321r29fdd287p462ae0f2b7e404b4@mail.gmail.com> <15af975d0609220725s1206d7ebr53589adbc1b9c17@mail.gmail.com> <4513F5B0.9030300@goodforbusiness.co.uk> <200609261305.12224.jhb@freebsd.org> <451A3E33.8010805@goodforbusiness.co.uk> <45382F43.6020509@FreeBSD.org>
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Hi all, Bruce M. Simpson wrote: > It would be a good thing to solve the real mode problem, as it would > enable FreeBSD to be booted from memory stick, USB CDROM, and within > QEMU without resorting to the current workarounds e.g. using GRUB or > skipping /boot/loader entirely to boot the kernel directly as I > currently do in QEMU virtualization. [...] > Indeed I recently ran into this myself. Certain 1U machines which I > acquired had problems booting from USB CDROM. I traced this back to the > USB BIOS trying to LGDT and causing a general protection fault in vm86 > mode. I worked around this by PXE booting them on a private VLAN with > most helpful assistance from dwhite@. [...] Is there any progress in fixing FreeBSD bootloader to be able to boot from USB devices? Any patches available which can I test? Or are there any possible workaround to make FreeBSD bootable from USB flashdrive in any machine? (I can boot from USB flashdrive and USB DVD-RW on my home PC and notebook, but can not boot HP DL140 and Sun Fire X2100 servers ;[) Miroslav Lachman
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