On Thu, Mar 22, 2018 at 11:56 AM, Renato Botelho <garga.bsd_at_gmail.com> wrote: > On 21/03/18 21:45, Kyle Evans 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. > > Just FYI, > > After upgrade to r331350 on a Thinkpad X230 using drm-next-kmod > trackpoint stopped working and touchpad worked but 3 buttons above it > didn't. Removing drm-next-kmod and start using i915kms.ko from > /boot/kernel fixed it. > I tend to think that's probably unrelated to the things I've poked- I can't quite imagine how I might have broken it =/. Any chance you can bissect that to the exact commit? Thanks! Kyle EvansReceived on Thu Mar 22 2018 - 19:09:43 UTC
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