[Bug 260868] possible i386 regression after ce35a3bc852d25cb989bc1f3dc4ddb723d7d5117

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 01 Jan 2022 21:06:39 UTC

            Bug ID: 260868
           Summary: possible i386 regression after
           Product: Base System
           Version: 13.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Keywords: regression
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: mike@sentex.net

Created attachment 230609
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=230609&action=edit
sysctl -A | grep -i timer and dmesg for working and non working images

For some deployments, we are still using some legacy PC Engine's Alix devices.
These are GEODE processors, running i386 FreeBSD 13.  I noticed on a latest
build as of Jan 1, boot times because impossibly slow (approx 10x times the
normal amount to boot) and I cant seem to run the watchdog with an interval
below 10 seconds as it does not get processed fast enough. 

If I rewind to a commit just prior to 
all works as normal

Also seemingly related is that I had been using a kernel definition that did
not include SMP nor APIC.  If I checkout to 

I can no longer compile said kernel as it fails with 

--- vers.c ---
MAKE="make" sh /usr/src/sys/conf/newvers.sh  ALIX_DSK
--- vers.o ---
cc -target i386-unknown-freebsd13.0
-B/usr/obj/nanobsd.alix2b/usr/src/i386.i386/tmp/usr/bin -c -O2 -pipe 
-fno-strict-aliasing   -nostdinc  -I. -I/usr/src/sys
-I/usr/src/sys/contrib/ck/include -I/usr/src/sys/contrib/libfdt -D_KERNEL
-DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common    
-fdebug-prefix-map=./x86=/usr/src/sys/x86/include -mno-mmx -mno-sse
-msoft-float -ffreestanding -fwrapv -fstack-protector -Wall -Wredundant-decls
-Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
-Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__
-Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas
-Wno-error=tautological-compare -Wno-error=empty-body
-Wno-error=parentheses-equality -Wno-error=unused-function
-Wno-error=pointer-sign -Wno-error=shift-negative-value
-Wno-address-of-packed-member -Wno-error=unused-but-set-variable
-Wno-format-zero-length   -mno-aes -mno-avx  -std=iso9899:1999 -Werror  vers.c
ctfconvert -L VERSION vers.o
ERROR: ctfconvert: vers.o doesn't have type data to convert
--- kernel ---
linking kernel
ld: error: undefined symbol: apic_ops
>>> referenced by clock.c
>>>               clock.o:(cpu_initclocks)
*** [kernel] Error code 1

make[2]: stopped in /usr/obj/nanobsd.alix2b/usr/src/i386.i386/sys/alix
1 error

make[2]: stopped in /usr/obj/nanobsd.alix2b/usr/src/i386.i386/sys/alix

make[1]: stopped in /usr/src

make: stopped in /usr/src

Adding in 
device          apic                    
to the kernel config allows me to compile, but the resultant kernel is dead
slow / unusable. 

Attached is a working and non working dmesg and output of sysctl -A | grep time
(in case that helps)

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