https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291935
Bug ID: 291935
Summary: Vidconsole (amd64 only) does now show anything on old
hardware (MacBook2,1)
Product: Base System
Version: 15.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Recently I was trying to install 64-bit FreeBSD on my old MacBook2,1 (A1181 mid
2007, based on Intel Core2 Duo T7400 @ 2.16GHz) and I faced the following
issued: right after loader boots the kernel and gives control to it, no more
output is produced on video console. Last few lines on the screen I can see
are:
Start @ 0xffffffff80387000 ...
Loading splash ok
Yet system proceeds booting and Installer runs, keyboard works fine (I even can
use Installer in the blind).
The problem appears only on amd64 branch. On i386 branch vidconsole works fine
and I was able to install FreeBSD sucessfully on this machine (although it's
completely unusable due to lack of drm-kmod support in i386 branch). I tested
it on a number of previous releases: 13.5-RELEASE, 14.3-RELEASE and
15.0-RELEASE - same effect on all of them. I tested booting from memstick and
DVD images. A friend of mine has same issue on another old MacBook though I
don't know which model exactly.
Any ideas what to try to reveal the root of the problem ? I can dedicate some
time to help resolve this issue (trace the kernel in DDB if necessary). Just
need some instructions/directions. :)
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