Re: HEADS-UP: amd64 UEFI boot is broken

From: Adrian Chadd <adrian_at_freebsd.org>
Date: Tue, 11 Nov 2014 09:57:49 -0800
On 11 November 2014 07:12, Ed Maste <emaste_at_freebsd.org> wrote:
> On 10 November 2014 20:17, Ed Maste <emaste_at_freebsd.org> wrote:
>> UEFI booting is broken for amd64 as of r273582 (Oct 24). The symptom
>> is an apparent hang after the loader transfers control to the kernel
>> (no output from the kernel is observed). Until this is addressed you
>> can checkout an earlier revision or revert r273582 locally.
>
> I have committed a workaround for this issue in r274382. The vt(4) EFI
> framebuffer driver makes use of kernel infrastructure in a way that is
> not correct, but works in practice, and this was caught by a new
> assertion added in r273582. My change loosens the assertion to allow
> efifb's use for now.
>
> We will need to fix the early framebuffer implementation in a subsequent change.

Woo, thanks!



-adrian
Received on Tue Nov 11 2014 - 16:57:52 UTC

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