Date: Thu, 22 Mar 2018 18:13:29 +0000 From: Steven Hartland <steven.hartland@multiplay.co.uk> To: Kyle Evans <kevans@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r331209 - head Message-ID: <8d9b163b-fcaa-3e9c-5972-8dc300f64b52@multiplay.co.uk> In-Reply-To: <201803191527.w2JFRr7B058668@repo.freebsd.org> References: <201803191527.w2JFRr7B058668@repo.freebsd.org>
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I think it would be worth specifically detailing the steps to achieve this, as its not immediately obvious how this would be done. On 19/03/2018 15:27, Kyle Evans wrote: > Author: kevans > Date: Mon Mar 19 15:27:53 2018 > New Revision: 331209 > URL: https://svnweb.freebsd.org/changeset/base/331209 > > Log: > Add note to UPDATING about UEFI changes requiring loader(8) update > > These problems have only been observed with boards using U-Boot (e.g. ARM) > where virtual addresses are already set in the memory map by the firmware > and the firmware is expecting a call to SetVirtualAddressMap to be made. > I refrain from mentioning this in the note because this could also be the > case on some not-yet-tested firmware on amd64 and it's not a bad > recommendation for the general case. > > Modified: > head/UPDATING > > Modified: head/UPDATING > ============================================================================== > --- head/UPDATING Mon Mar 19 15:11:10 2018 (r331208) > +++ head/UPDATING Mon Mar 19 15:27:53 2018 (r331209) > @@ -51,6 +51,13 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW: > > ****************************** SPECIAL WARNING: ****************************** > > +20180319: > + For UEFI systems: the UEFI loader(8), loader.efi, should be updated in > + conjunction with installing a new kernel after r330868. The kernel, > + after this revision, will be more lenient when mapping addresses for > + UEFI Runtime Services and this may result in a kernel panic without the > + corresponding loader(8) update. > + > 20180212: > FreeBSD boot loader enhanced with Lua scripting. It's purely opt-in for > now by building WITH_LOADER_LUA and WITHOUT_FORTH in /etc/src.conf. >
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