Some systems failed to build for Quicklisp dist

[quicklisp]

Building with SBCL 2.0.11.142-1b0795826 / ASDF 3.3.1 for quicklisp dist creation.

Trying to build commit id 45a0389b969a088461059cebf5e8a129c14fd03d

sb-cga fails to build with the following error:

; caught ERROR:
;   READ error during COMPILE-FILE: Lock on package SB-VM violated when interning MAKE-EA while in package SB-CGA.
;   See also:
;     The SBCL Manual, Node "Package Locks"(in form starting at line: 90, column: 0, position: 3455)
...
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING {1001A48103}>: COMPILE-FILE-ERROR while compiling #<CL-SOURCE-FILE "sb-cga" "ports" "sbcl">

Full log here

[soemraws]

When loading with quicklisp (sb-cga-20210124-git):

debugger invoked on a UNDEFINED-FUNCTION in thread #<THREAD "main thread" RUNNING {10005505B3}>: The function SB-VM::EA is undefined.