Date: Wed, 4 Apr 2018 10:57:08 -0500 From: Kyle Evans <kevans@freebsd.org> To: Kyle Evans <kevans@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Call for Testing: UEFI Changes Message-ID: <CACNAnaEER9qPr7MmhxkiG_fSsZL9VGFH98kG6HoK0%2BxPkGBD9A@mail.gmail.com> In-Reply-To: <CACNAnaFmu2rFF1w4ar4xHUbN5vHitTLi0Ui6aCjL1MuTj3iJsQ@mail.gmail.com>
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On Wed, Mar 21, 2018 at 7:45 PM, Kyle Evans <kevans@freebsd.org> wrote: > Hello! > > A number of changes have gone in recently pertaining to UEFI booting > and UEFI runtime services. The changes with the most damaging > potential are: > > We now put UEFI runtime services into virtual address mode, fixing > runtime services with U-Boot/UEFI as well as the firmware > implementation in many Lenovos. The previously observed behavior was a > kernel panic upon invocation of efibootmgr/efivar, or a kernel panic > just loading efirt.ko or compiling EFIRT into the kernel. > > Graphics mode selection is now done differently to avoid regression > caused by r327058 while still achieving the same effect. The observed > regression was that the kernel would usually end up drawing > incorrectly at the old resolution on a subset of the screen, due to > incorrect framebuffer information. > > Explicit testing of these changes, the latest of which happened in > r331326, and any feedback from this testing would be greatly > appreciated. Testing should be done with either `options EFIRT` in > your kernel config or efirt.ko loaded along with updated bootloader > bits. > > I otherwise plan to MFC commits involved with the above-mentioned > changes by sometime in the first week of April, likely no earlier than > two (2) weeks from now on April 4th. > > Thanks, > > Kyle Evans As partially promised, the non-graphics related changes have been MFC'd to stable/11 today as r332028. The graphics related changes are going to simmer longer and probably get ripped out, because we're bad at this. Thanks, Kyle Evanshome | help
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