On 25/09/2007, Roland Mainz <roland.mainz at nrubsig.org> wrote: > Shawn Walker wrote: > > On 15/09/2007, David Powell <David.Powell at sun.com> wrote: > > > Shawn Walker wrote: > > > > Greetings, > > > > > > > > Clean install of SXDE b72: > > > > > > > > I've discovered if I: > > > > 1) set ksh93 as my login shell > > > > > > > > 2) Open a gnome-terminal > > > > > > > > 3) bldenv -d opensolaris.sh > > > > > > > > 4) clear > > > > > > > > I get: > > > > > > > > [1] + Stopped(SIGTTOU) clear > > > > > > I'm seeing this on build 73. My steps to reproduce are: > > > > > > (in xterm) > > > 1) ksh93 > > > 2) clear > > > > > > Trussing ksh93 indeed shows it receiving a SIGCLD indicating > > > its child was stopped with a SIGTTOU: > > > > > > Received signal #18, SIGCLD [caught] > > > siginfo: SIGCLD CLD_STOPPED pid=1825 status=0x001B > > > Received signal #18, SIGCLD [caught] > > > siginfo: SIGCLD CLD_CONTINUED pid=1825 status=0x0019 > > > > > > Instead of just: > > > > > > Received signal #18, SIGCLD [caught] > > > siginfo: SIGCLD CLD_EXITED pid=1830 status=0x0000 > > > > > > which I get when I run some other command under ksh93 that writes to > > > the terminal or when I run clear under ksh88. > > > > > > Curiously, both 'clear' and 'tput clear' are sent SIGTTOU, though > > > 'tput clear' doesn't reproduce the problem. > > > > > > Additionally, trussing ksh93 with -f causes the problem to go away. > > > Smells like a race to me. > > > > I agree, because I notice if I do it really fast repeatedly, it > > happens *almost* every time, but not every time. > > Groan... I hoped we killed that... > ... problem is that I can't reproduce it here, even if I try hard... > > ... which kind of machine do you have (e.g. CPU type, number of CPUs, > MHZ, installed memory etc.) ?
Intel Core Duo 2 E6600 (dual-core single processor) 2.4 ghz. 2GB PC6700 DDR2 nVidia GeForce Video Card -- Shawn Walker, Software and Systems Analyst binarycrusader at gmail.com - http://binarycrusader.blogspot.com/ "Beware of bugs in the above code; I have only proved it correct, not tried it. " --Donald Knuth
