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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