81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# CDDL HEADER START
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81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# Test whether CR #6800929 ("snv_106 ksh93 update breaks Install(1M)") has been fixed.
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# Quote from CR #6800929:
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# ---- snip ----
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# so i just upgraded this morning from snv_105 to snv_106. now
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# Install(1M) is hanging whenever i run it. i'm running it as follows:
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# Install -o debug -k i86xpv -T domu-219:/tmp
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# and here's where it's hung:
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# Edward Pilatowicz <edward.pilatowicz@sun.com>
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# $ pstack 204600
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# 204600: /bin/ksh /opt/onbld/bin/Install -o debug -k i86xpv -T domu-219:/tmp
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff2e3d1a write (1, 4154c0, 64)
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7ffefdafc8 sfwr () + 2d0
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7ffefc0f6f _sfflsbuf () + 217
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7ffefcb9f7 sfsync () + 17f
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7ffefc5c58 _sfphead () + 188
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7ffefc5ef5 _sfpmove () + 55
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7ffefc2595 _sfmode () + 22d
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7ffefc5fb1 sfpool () + 99
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff15eb8e sh_exec () + 2f56
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff15f78c sh_exec () + 3b54
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff15d9c8 sh_exec () + 1d90
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff15788e sh_subshell () + 646
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff134562 comsubst () + 8a2
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff12f61f copyto () + bcf
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff12df79 sh_macexpand () + 1f1
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff1129f5 arg_expand () + a5
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff112812 sh_argbuild () + 9a
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff15dbe2 sh_exec () + 1faa
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff15d854 sh_exec () + 1c1c
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff0f22ef b_dot_cmd () + 507
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff161559 sh_funct () + 199
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff15ef35 sh_exec () + 32fd
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff136e86 exfile () + 786
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# fffffd7fff136676 sh_main () + 7fe
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# 0000000000400e72 main () + 52
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# 0000000000400ccc ????
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# there is only one place where Install(1M) invokes "uniq":
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# set -- `grep "^CONF" $modlist | sort | uniq`;
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# as it turns out, i can easily reproduce this problem as follows:
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# $ set -- `cat /etc/termcap | sort | uniq`
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# ---- snip ----
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz kill -0 ${1} 2>/dev/null && return 0
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik# test 1: run loop and check various temp filesizes
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulknertmpfile="$(mktemp -t "sun_solaris_cr_6800929_large_command_substitution_hang.${PPID}.$$.XXXXXX")" || err_exit "Cannot create temporary file."
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # (note the pipe chain has to end in a builtin command, an external command may not trigger the bug)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1a" cmd="builtin cat ; print -- \"\$(cat \"${tmpfile}\" | cat)\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # test 1b: Same as test1a but uses ${... ; } instead if $(...)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1b" cmd="builtin cat ; print -- \"\${ cat \"${tmpfile}\" | cat ; }\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # test 1c: Same as test1a but does not use a pipe
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1c" cmd="builtin cat ; print -- \"\$(cat \"${tmpfile}\" ; true)\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # test 1d: Same as test1a but does not use a pipe
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1d" cmd="builtin cat ; print -- \"\${ cat \"${tmpfile}\" ; true ; }\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # test 1e: Same as test1a but uses an external "cat" command
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1e" cmd="builtin -d cat /bin/cat ; print -- \"\$(cat \"${tmpfile}\" | cat)\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # test 1f: Same as test1a but uses an external "cat" command
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1f" cmd="builtin -d cat /bin/cat ; print -- \"\${ cat \"${tmpfile}\" | cat ; }\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # test 1g: Same as test1a but uses an external "cat" command
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1g" cmd="builtin -d cat /bin/cat ; print -- \"\$(cat \"${tmpfile}\" ; true)\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz # test 1h: Same as test1a but uses an external "cat" command
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ( name="test1h" cmd="builtin -d cat /bin/cat ; print -- \"\${ cat \"${tmpfile}\" ; true ; }\" ; true" )
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainzfor (( testfilesize=1*1024 ; testfilesize <= 1024*1024 ; testfilesize*=2 )) ; do
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik # Create temp file
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz print "0123456789abcdef01234567890ABCDEF0123456789abcdef01234567890ABCDE"
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik # wait up to log2(i) seconds for the child to terminate
81af778e872fc2ec5f0ac36e7b25bdb24ebd2d6aCasper H.S. Dik # (this is 10 seconds for 1KB and 19 seconds for 512KB)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz ${SHELL} -o errexit -c "${currtst.cmd}" >"${tmpfile}.out" &
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz err_exit "${currtst.name}: child (pid=${childpid}) still busy, filesize=${testfilesize}."
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz wait || err_exit "${currtst.name}: Child returned non-zero exit code." # wait for child (and/or avoid zombies/slime)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz cmp -s "${tmpfile}" "${tmpfile}.out" || err_exit "${currtst.name}: ${tmpfile} and ${tmpfile}.out differ, filesize=${testfilesize}."
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# test 2a: Edward Pilatowicz <edward.pilatowicz@sun.com>'s Solaris-specific testcase
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz${SHELL} -o errexit -c 'builtin uniq ; set -- `cat /etc/termcap | sort | uniq` ; true' >/dev/null &
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz err_exit "test2a: child (pid=${childpid}) still busy."
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainzwait || err_exit "test2a: Child returned non-zero exit code." # wait for child (and/or avoid zombies/slime)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# test 2b: Same as test 2a but uses ${... ; } instead of $(...)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz${SHELL} -o errexit -c 'builtin uniq ; set -- ${ cat /etc/termcap | sort | uniq ; } ; true' >/dev/null &
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz err_exit "test2b: child (pid=${childpid}) still busy."
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainzwait || err_exit "test2b: Child returned non-zero exit code." # wait for child (and/or avoid zombies/slime)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# test 2c: Same as test 2a but makes sure that "uniq" is not a builtin
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz${SHELL} -o errexit -c 'builtin -d uniq /bin/uniq ; set -- `cat /etc/termcap | sort | uniq` ; true' >/dev/null &
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz err_exit "test2c: child (pid=${childpid}) still busy."
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainzwait || err_exit "test2c: Child returned non-zero exit code." # wait for child (and/or avoid zombies/slime)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz# test 2d: Same as test 2c but uses ${... ; } instead of $(...)
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz${SHELL} -o errexit -c 'builtin -d uniq /bin/uniq ; set -- ${ cat /etc/termcap | sort | uniq ; } ; true' >/dev/null &
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainz err_exit "test2d: child (pid=${childpid}) still busy."
34f9b3eef6fdadbda0a846aa4d68691ac40eace5Roland Mainzwait || err_exit "test2d: Child returned non-zero exit code." # wait for child (and/or avoid zombies/slime)