On 28 September 2012 07:44, Glenn Fowler <g...@research.att.com> wrote:
>
> { INIT ast-ksh } 2012-09-27 alphas posted to
> www.research.att.com/sw/download/alpha/
We experience a lot of failures with ast-ksh 2012-09-27 on Suse 12.2
Linux and latest Fedora:
test arith begins at 2012-09-28+08:51:50
arith.sh[420]: compound var arithmetic failed
arith.sh[421]: compound var arithmetic failed
arith.sh[422]: compound var arithmetic failed
arith.sh[423]: compound var arithmetic failed
arith.sh[424]: compound var arithmetic failed
arith.sh[425]: compound var arithmetic failed
arith.sh[426]: compound var arithmetic failed
test arith failed at 2012-09-28+08:51:50 with exit code 1 [ 201 tests 1 error ]
test attributes begins at 2012-09-28+09:19:32
attributes.sh[128]: attributes not cleared for script execution
attributes.sh[133]: typeset -L should not be inherited
test attributes failed at 2012-09-28+09:19:34 with exit code 1 [ 110
tests 1 error ]
test attributes(shcomp) begins at 2012-09-28+09:19:34
shcomp-attributes.ksh[128]: attributes not cleared for script execution
shcomp-attributes.ksh[133]: typeset -L should not be inherited
test attributes(shcomp) failed at 2012-09-28+09:19:36 with exit code 2
[ 110 tests 2 errors ]
test basic begins at 2012-09-28+09:19:36
basic.sh[165]: script not working
basic.sh[171]: output file pointer not shared correctly
basic.sh[198]: builtin replaces standard input pipe
basic.sh[204]: $0 not correct for . script
basic.sh[211]: nested scripts failed
basic.sh[215]: scripts in subshells fail
basic.sh[350]: piping into script fails
basic.sh[359]: script pipe to shell fails
blabla
We've traced this down to the nonconforming glibc/Linux implementation
of posix_spawn() - disabling it cures the problem on Linux. I
crosschecked with the AIX build - it uses posix_spawn() the same way
but without triggering any failures.
I think this is a follow-up to
http://marc.info/?l=ast-developers&m=134785274012526&w=2 - I can't
agree with the assertion of Redhat's Michal Hlavinka that glibc
posix_spawn() is right, because the current behaviour is IMO useless
for use in a shell (hence the failures in the testsuite), and think a
fix in glibc is still required.
Ced (who needs a sedative now to calm down - 3rd glibc bug *this* week)
--
Cedric Blancher <cedric.blanc...@googlemail.com>
Institute Pasteur
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