[Bug 216893] lib/libproc/proc_test:symbol_lookup fails on i386

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216893

            Bug ID: 216893
           Summary: lib/libproc/proc_test:symbol_lookup fails on i386
           Product: Base System
           Version: CURRENT
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: tests
          Assignee: freebsd-testing at freebsd.org
          Reporter: ngie at FreeBSD.org
                CC: freebsd-i386 at FreeBSD.org
                CC: freebsd-i386 at FreeBSD.org

lib/libproc/proc_test:symbol_lookup fails on i386, but not on amd64. The
failure is recent (within the past 3-4 weeks, since I was largely AFK for a
month). proc_addr2sym seems to be at the core of the failure.

$ kyua test -k lib/libproc/Kyuafile 
proc_test:map_alias_name2map  ->  passed  [0.087s]
proc_test:map_alias_name2sym  ->  passed  [0.092s]
proc_test:map_prefix_name2map  ->  passed  [0.129s]
proc_test:signal_forward  ->  passed  [0.063s]
proc_test:symbol_lookup  ->  failed:
/usr/src/svn/lib/libproc/tests/proc_test.c:142: error != 0: failed to look up
symbol at 0x2804cbd0  [0.297s]
proc_test:symbol_lookup_fail  ->  passed  [0.107s]

Results file id is usr_tests_lib_libproc.20170207-190648-064178
Results saved to
/home/ngie/.kyua/store/results.usr_tests_lib_libproc.20170207-190648-064178.db

5/6 passed (1 failed)
$ uname -a
FreeBSD fbsd12-i386.local 12.0-CURRENT FreeBSD 12.0-CURRENT #8 r313266:313267:
Sat Feb  4 20:14:50 PST 2017    
ngie at fbsd12-i386.local:/usr/obj/usr/src/svn/sys/GENERIC-NODEBUG  i386

$ kyua test -k /usr/tests/lib/libproc/Kyuafile                                  
proc_test:map_alias_name2map  ->  passed  [0.004s]
proc_test:map_alias_name2sym  ->  passed  [0.007s]
proc_test:map_prefix_name2map  ->  passed  [0.003s]
proc_test:signal_forward  ->  passed  [0.004s]
proc_test:symbol_lookup  ->  passed  [0.016s]
proc_test:symbol_lookup_fail  ->  passed  [0.005s]

Results file id is usr_tests_lib_libproc.20170207-190906-646576
Results saved to
/home/ngie/.kyua/store/results.usr_tests_lib_libproc.20170207-190906-646576.db

6/6 passed (0 failed)
$ uname -a
FreeBSD fbsd12 12.0-CURRENT FreeBSD 12.0-CURRENT #7 r313183M: Fri Feb  3
19:45:10 PST 2017     ngie at fbsd12:/usr/obj/usr/src/svn/sys/GENERIC-NODEBUG 
amd64

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